Simply find the associated limit screw; the high limit is the most inboard of the two and the low is the most outboard. If you run an AXS system, carrying a spare battery at all times is a good idea, but if you dont happen to have one you could swap the battery from your AXS Reverb dropper post into the derailleur. Disc brake noise can be a matter of some water or dirt temporarily getting on the rotors. Is your bike more than a year old? WatchHow To Video, Set rear derailleur B-gap using the supplied B-gap tool (dont skip this step!) Use the lines on the front derailleur cage to set your height and alignment relative to the big ring. How do I size a chain for a SRAM eTap AXS 1x drivetrain? I then tried connecting with my iphone (XS) AXS app, but only the green light came on and then nothing. If you bought the derailleur to install on a bike, a selection of wedges was included in the original packaging. Shift through the gears a few more times and see if you need more or less adjustment. Hopefully, this guide will help keep you rolling if the time comes. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. Back by popular demand, the general all-things Road forum! Either you have JavaScript disabled or your browser does not support JavaScript. SRAM Rival/GX AXS Mullet Kit Features: Mixed Rival AXS mullet groupset with GX AXS rear derailleur Choose any Eagle cassette (10-50t tested) Available Quarq single-sided power meter Smaller-profile Rival shifters than Force or Red Easily pair and manage preferences and updates with AXS mobile app Price: ~$1600 (depends on exact configuration) Then push the AXS button on the rear derailleur a final time and both LEDs will turn off. bought a bike with AXS force a while back and the left shifter killed a battery within 2 weeks. The RD is on its way to SRAM through LBS. Your browser does not support all of our websites functionality. WatchHow To Video, C) Set brake lever fit with ReachAdjust. Especially during sprints RD suddenly making multiple shifts randomly poses a serious fall hazard. SRAM XX1 / X01 Eagle 1x12 Rear Derailleur Spare Parts. Press and hold the AXS button on your front derailleur. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Privacy Policy. Fortunately, there are a few handy tricks to help get a SRAM AXS derailleur working smoothly again. For moreeTap AXSsetup videos, visit theSRAM Tech YouTube Channel. I assume you've tried all the usual electronics steps of taking the battery off (turning it off and on again basically), repairing it to the shifters etc? Maybe if I get an industry discount someday. Take your bike to a dealer and they will call SRAM service and it will be replaced. 1. I first thought that perhaps the battery is flat, so I took the one from front derailleur (that was working fine), but it still wasn't working. Always quick responses from SRAM so far through my local shop. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. About Us | Lightly squeeze the brake lever several times to position the pads correctly. SRAM support pages are utterly useless and I was unable to find anything similar after some googling. Rather weird and i'd wait for Sram to respond. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. For those of you more well versed in the ways of electronic sram parts, I have a conundrum: I have recently built a new bike with srams force axs group, and after about a day of sitting idle, the rear derailleur now has a solid red light that stays on. Lights will come on every time a shift is executed; green means the battery is good, red means its low, and flashing red means very low. Find the appropriate pads for your calipers in the Spare Parts Catalog (organic with steel backing is our standard road material) and order them from your local shop. Your browser does not support all of our websites functionality. Drailleur avant. Then hit the parking lot and starts again. Use wet lube 3. 1. The 33T seems a pretty hard stop. With the 12-speed, Shimano cassette, you should use an SRAM 12-speed derailleur. Orange Seal, does it live up to it's fame. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Just swap it out and youre good to go. $9.89 Was $27.99. SRAM GX Eagle 52T Rear Derailleur Bolt and Screw Kit Lunar. Nothng nada :-(( Repeat approximately twenty times. WatchHow To Video, B) Fine tune front shifting with limit screws. Use the lines on the front derailleur cage to set your height and alignment relative to the big ring. I have the same problem. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. This is a pretty common size and many stores will have them. Either you have JavaScript disabled or your browser does not support JavaScript. Just set the seat height somewhere that works for you and put the charged battery into the derailleur. So Sram's service wrote back yesterday with the exact same reply others have gotten - to bring it back to my bike shop / dealer and have them contact the affiliate service center. Shop & learn - SRAM Pulley Cage Assembly in the Cage Assembly Collection - Part Number: 11.7518.077.000, SRAM Pulley Cage Assembly for rebuilding SRAM rear derailleurs Pulleys must be installed in correct positions: lower pulley is larger than the upper pulley www.worldwidecyclery.com SRAM GX Eagle Rear . Back by popular demand, the general all-things Road forum! With the derailleur shifted into the small chainring, adjust the derailleur at the braze-on mounting bolt so that the outer cage plate is 1-2mm above the tallest tooth on the large chainring. This can be demonstrated by removing the chain and adjusting the RD so far inboards, that it ends up resting against a spoke. SRAM X7/Type 2 10 Speed Rear Derailleur Hanger Bolt Kit. Google searches have rendered nothing. Two of the guys I ride with have eTap on their bikes. Orange Seal, does it live up to it's fame. We will stick to problems that plague rear derailleurs, as 1X setups are common on most modern mountain bikes. - Pushing the function button on the rear derailleur to activate pairing mode works OK. - Pairing the front derailleur and shifters works, since the fast blinking in both occurs. Tutorial SickBiker 354K subscribers Subscribe 454K views 5 years ago See also: Sramm XX1 Eagle Derailleur. However, I noticed that the face of the FD's mount is flat whereas the overwhelming majority . If your Force eTap AXS group continues to make noise, please reach out to your bike shop. Add to Basket. Install the proper pad spacer for your model of caliper. Havent had this specific issue on my eTap but Ive never had an issue with warranty by SRAM. Hopefully someone with more SRAM knowledge can chime in! Have had three wifli rear derailers fail since March on my tarmac. When I put the bike in 1st gear and then upshift to 2nd gear it stays in 1st gear. Firmware release notes can be viewed by connecting to the component, and navigating to the component part detail page (as seen in the attached photo). I had a very similar thing happen with one of my AXS mechs, but in that case it was brand new so I was able to simply send it back to the retailer as a warranty job. Its time for a brake bleed. My eTap RD randomly becomes unresponsive to shifts for several seconds. $61.99. is it a such problem in Battery? Or you break down and maintain your bike. We'll go into more details, but the main things are: The first step to resolving a Force noise issue is ensuring that the setup is correct. It may simply be that you need to get the new pistons moving and ready to brake. Installation as well.Take a hands-on class, San Jose CAwww.biketeacher.com AboutPressCopyrightContact. Watch How To Video Rear Derailleur A) Check your rear derailleur hanger alignment. In addition, the AXS mountain bike shifters will also work, should you wish to build a flatbar gravel bike. Shift to the largest cog and. This will cover the Eagle 12 speed as well as NX/GX/X1/XX1/X01 11 speed rear derailleurs. Watch How To Video, Big chainring and big cog + one inner and one outer links (bypassing the rear derailleur). I plan to reach out to SRAM this week. That seemed to be down to corrosion of the parallelogram pivots on the rear . If all that doesnt work, Id be taking it to a dealer. (Sigh)mine is doing the same thing, a re-sync seems to be helping for like 5 seconds and then, the solid red light stays on. Good news, our initial testing shows the 10-36T cassette . Thinking about it logically, you're telling the AXS system where the derailleur is in relation to the cassette and how to move sideways across it. I returned one for warranty work due to the same issue. I thought it was just me and tried internet searches for the cure but of course to no avail. How do I configure SRAM eTap AXS shift-buttons using the AXS App? This happened with my old 11 speed etap. Hit the AXS button on it, nothing. Pressing the button had no effect, except when reconnecting the battery while button pressed, which resulted in re-installing the firmware 2.7.3 (already up to date prior to this). by Frankie - B on Wed Mar 02, 2016 9:42 pm, by wheelsONfire on Thu Mar 03, 2016 11:15 am. See SRAM'sPrivacy Policyfor a detailed explanation of how your personal data is used. If the chain isnt centered on the cassettes cogs, or if the derailleur pulley is too close to the cassette, the system will be noisy. Simply hold down the AXS button on the rear derailleur until the LED blinks green, then hold down the AXS button on the remote/shifter until the LED on that blinks green. Long a feature on our RED cassettes, weve recently introduced them on the small cogs of our XG-1270 Force eTap AXS cassettes. Both of these adjustments can affect one another, so keep an eye on both as you make them. Either you have JavaScript disabled or your browser does not support JavaScript. In the event that the shifter battery is dead, a rarer event for sure, simply use a coin to remove the cover from the underside of the shifter and swap a new CR2032 coin cell in there. Reinstall the battery in your front derailleur. If needed, they can reach out to our Dealer Service department, and well work together to ensure youre happy with your group. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. If theres no light at all, your battery is likely dead. Stuff breaks or sometimes you get a bad one, so good support is key. Front Derailleur Alignment Tips for Ideal Performance. $27.99. Add to Basket. SRAMs wireless AXS drivetrain has a bunch of benefits, including clean cable(less) routing, no shift degradation due to cable wear, and ease of installation, but most of all it means crisp, smooth shifting pretty much all of the time. As for the chain, it. Reinstall the battery in your front derailleur. To work properly, this page requires JavaScript to be enabled or to use the most recent versions of Google Chrome, Safari, or Firefox. SRAM Red / Force eTap AXS Rear Derailleur Spare Parts. That fix is certainly trickier than swapping a battery or rebooting the system. Best MTB Gear | SRAM Red eTap Rear Derailleur Ceramic Pulleys (11 Speed) 1 review Average Rating:1 . First, make sure the mounting height is correct. One of the most common, and fortunately easily-fixed problems that occur on a 12-speed derailleur system is simply that the main bolt that fixes the derailleur to the rest of the bike is a couple of turns loose. Once connected use the app make sure you see the gears change in the app by pressing the button on the derailleur (once or twice). Their expertise may be just whats needed to get your drivetrain quiet. Without it, outer limit adjustment needs to compensate to produce a fast shift, but then you run the risk of an over up-shift chain drop. AXS component firmware release notes are now available in AXS Mobile App version 1.6.7 and higher. Press and hold the AXS button on your front derailleur. When youre satisfied with the position of the front derailleur, slowly bring the mounting bolt up to 6 Nm torque. Watch How To Video, Chainring and big cog + two inner and two outer links (bypassing the rear derailleur). Keeping it real, either system can be reliable and provide a long, quality service life. Cookie Notice The B-gap on a SRAM 12-speed derailleur is a critical adjustment and can make the difference between your drivetrain shifting smooth and crisp, and it being sloppy and vague. Not gonna lie: reading this makes AXS sound pretty appealing. 1) After you've paired the components in your AXS groupset together and completed setup and tuning, download the free AXS app from the Apple App Store or Google Play. Has anyone else experienced this and if so, did SRAM warranty replace? BlackBox Eagle AXS derailleur prototype (l) vs. current XX1 Eagle AXS (r) We've obviously mentioned the lack of a derailleur hanger in SRAM's new direct-mount BlackBox Eagle AXS derailleur prototype. Add to Cart. New one works trouble free so far. Watch How To Video, Visually inspect the chaininboard & outboard to confirm that the PowerLock pins are seated completely, and then lockit the easy way, without tools. This should be enough to ensure the derailleur has no problem getting into the gear but doesnt over shift. The RD stops when it confronts that obstacle. Look at the back side of the front derailleur to see if the support wedge is installed and adjusted properly. #4 re-install all firmware (overwriting existing). How to diagnose Sram Eagle 12 speed derailleur problems. Best Bike Trails | We'll go into more details, but the main things are: 1. If the total thickness of the pad material and backing plate is less than 3 mm, its time for new pads. #1 remove both batteries, charge them fully, then reinstall them. You can check the status of your battery using the AXS phone app or by checking on the derailleur or shifter. If youve gone too far in the wrong direction, try going back the other way. If previously quiet brakes start making a noise, clean the rotors with isopropyl alcohol or mild soap and water. View Details. Something must be wrong though if the red light comes on and stays on. Well until today So it looks that my happines of SRAM AXS has gotten a dent. Tirer pleinement profit de votre groupe eTap AXS n'est pas difficile. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. IMBA Epics | Just follow these four tips that cover the most critical items required for a dialed setup. Its Orbit technology ensures quiet and safe chain management. If you read the SRAM instructions you set the chain gap using the gauge when the chain is on the second largest cog and turning the b screw to set the gap. Although it would require some time to troubleshoot, I would definetly try to make it pause when the bike is standing still with the chain removed. There are things you can do electronically to fix this, but first lets go back to basics and check the nuts and bolts because at the end of the day, its still a derailleur. Sram eTap rear derailleur sporadically stops shifting - then performs all queued shifts at once? Center the caliper and tighten the bolts. Repeat approximately ten times. I swapped the shifter out and all good since then. Back Order. This will typically take care of most shifting problems. This free update comes approximately a year after SRAM quietly rolled out an updated Red rear derailleur for those early eTap adopters. There are only a couple of examples out there of eTap. You can also use the guide mark etched into the inner cage plate to set the height in the big ring. I have been having this same issue recently as well. WatchHow To Video, D) Set brake lever engagement with Contact Point Adjust (on disc brake models). WatchHow To Video, C) Set brake lever fit with ReachAdjust. When it arrived, everything was working just fine, the derailleurs would shift as you'd expect. ALIGNER LE TOUT. Watch How To Video, Chainring and big cog + two inner and two outer links (bypassing the rear derailleur). Watch How To Video, A) Check that you have a 0.51mm gap between the outer plate of the front derailleur cage and the chain when on the big ring and small cog combo. Hi, I have been quite pleased with the SRAM Red AXS on both of my road bikes and Red-XX1 combo on my gravel bike. This is common after a crash and can spell disaster. I had this on mine, if you apply light pressure to the mech (kick it) it will suddenly "wake up" you need to clean all he bushing out as SG linked the WW guide is pretty much right. $52.99. Call SRAM or work it through your LBS, SRAM will fix you up. To work properly, this page requires JavaScript to be enabled or to use the most recent versions of Google Chrome, Safari, or Firefox. for the smoothest, fastest shifting setup. When we asked sram tech support, it sounded like they didn't know that a yellow light could come on . Your browser does not support all of our websites functionality. Terms | Privacy, First published January 11, 2022 @ 2:00:00. You have go through the place you bought it from for warranty. $18.99. Bed-in your brakes before your first ride! If for some reason the derailleur is shifting in one direction well, but poorly in the other, you may need to perform a micro-adjust. Singletracks may receive compensation for purchases made through any affiliate links in this article. Allow the brakes to cool prior to any additional riding. The same process can be carried out with the AXS Reverb and remote and should reset the system. I was about to go for a ride, but the rear derailleur wouldnt shift. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. Ride your cassette for a few hundred kilometers to allow the chain and cassette to break in together and cassette noise will disappear. If for some reason the derailleur is over-shifting into the spokes youll need to adjust the low limit screw, and if it jumps off the smallest cog youll want to adjust the high limit. The Derailleur Reduced to its most basic level, the Eagle AXS rear derailleur simply uses a motor, instead of a cable, to move the derailleur. SRAM XX1 Eagle AXS Rear Derailleur Bolt and Screw Kit. However, halfway through indexing,. If that would be repeatable, it is most likely and electric issue. Yet the simple answer is, you just replace the battery / recharge it silly, haha. How do I update firmware on my AXS components with the AXS Mobile App? . To get your brakes working perfectly, here are some remedies to common issues that can arise, or ways to do a little service to get them feeling like new again. SRAM X01 Eagle AXS Rear Derailleur Inner Cage Polar. Just . Its always worth carrying a spare hanger for the roughly $20 they usually cost as they can solve some major headaches. Yesterday, I installed it on the bike, and was indexing the gears. WatchHow To Video. If you dont have the tool simply use a measuring tool to ensure that the gap between the teeth on the upper pulley and the teeth on the biggest cassette sprocket is approximately 3mm. I know some guys who have AXS and they love it, but I am still not convinced to spend the $$$$$$ when I can spend $$$. And we also described how it is missing hi/lo limit screws and maybe even the B-tension screw (read what that means here.) Your browser does not support all of our websites functionality. by jbattermann on Fri Aug 17, 2018 10:39 am, by VTR1000SP2 on Fri Aug 17, 2018 11:51 am, by jbattermann on Sat Aug 18, 2018 10:49 am, by SLCBrandon on Sun Aug 19, 2018 9:51 pm, by Fisherfreerider on Mon Aug 20, 2018 2:38 pm. How To: Adjust SRAM AXS Rear Derailleur Contender Bicycles 112K views 2 years ago SRAM AXS Buttons Classic Cycling 18K views 1 year ago Ajuste del nuevo cambio Sram Etap Red, Force y. SRAM Red Rear Derailleur (Black) (11 Speed) Not yet reviewed. Going through the initial pair process again (holding down the AXS button on the rear derailleur until the LED flashes constantly and then pairing the shifter) is supposed to be enough to reset it. SRAM Red eTap AXS Rear Derailleur B-Bolt and Screw Kit. Head to the AXS app and go into each individual component to check whether the firmware is up to date or not. If you want to see 'meh' content of me and my bike you can follow my life in pictures here! The solution is the same in either case: replace the pads and rotors, and carefully follow the bed-in process outlined above for quiet operation. SRAM hydraulic disc brakes offer the best power and feel in the road braking world. I suppose if youre really worried about either situation, youll always carry an extra cable or battery on every ride. Watch How To Video, A) Check your rear derailleur hanger alignment. If everything is working correctly except the controller, reach out to SRAM Tech Support: 1-800-346-2928. We're using cookies in case to provide best-possible user experience. Nevertheless, if the issue is still there, check the cable tension. Watch How To Video, A) Check your rear derailleur hanger alignment. For more information, please see our Watch How To Video, Big chainring and big cog + one inner and one outer links (bypassing the rear derailleur). When shifted into the small ring up front and largest cog in back, adjust the low limit screw (the one on bottom) until there is 0.5-1 mm of clearance between the inside of the inner derailleur plate and the chain. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Simply hold down the AXS button on the rear derailleur until the LED blinks green, then hold down the AXS button on the remote/shifter until the LED on that . I then tried connecting with my iphone . Your browser does not support all of our websites functionality. I would try this: I had this with etap Red and had to get the rear derailleur replaced under warranty. When you keep surfing on this site you agree with the cookie usage. SRAM NX Eagle Rear Derailleur Spare Parts. Have you tried to re-pair the rd with the shifters are per the initial setup? This is easy to do one-handed while riding in a parking lot. Watch How To Video The SRAM RED eTap AXS rear derailleur's Orbit fluid clutch mechanism makes it unnecessary, as the derailleur can be easily pulled back by hand to clear the cassette when the wheel is removed making rear wheel changes easy. Then, snap the white chain-gap tool onto the biggest sprocket and align the arrow with the middle of your upper pulley. $52.99. I called SRAM directly and they were incredibly helpful, overnighting a replacement shifter to my local shop since I was about to travel for a race. etap axs disc brake troubleshooting SRAM hydraulic disc brakes offer the best power and feel in the road braking world. To correct this, follow the pad advance procedure as described on page 6 of our eTap AXS HRD Service Manual: If you grab your brake lever and it pulls all the way to the handlebar, there could be different causes depending on the age of the bike. This can be demonstrated by removing the chain and adjusting the RD so far inboards, that it ends up resting against a spoke. Where the standard rear derailleurs in SRAM's road groupset range have a maximum sprocket capacity of 33 teeth (with Wide/Max variants of the road derailleur that can take up to 36 teeth),. SRAM X0 / X9 / X7 Type 2/2.1 2x10 Rear Derailleur Spare Parts. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Continue to squeeze the lever until the pistons touch the spacer. Over time, dirt and grime can keep pistons from moving freely. Accelerate the bike to a faster speed, then very firmly apply the brakes until you are at walking speed. I've a ~9 months old Sram eTap groupset on my road bike and recently it started to act quite strangely, in two occasions outright dangerously by stopping to perform any rear up or down shifts.. for about half a minute. See more Check your rear derailleur setup 2. SRAM built many different prototypes over. Solutions for noisy SRAM Force eTap AXS drivetrains. One of the big questions riders tend to have is, what happens if your battery runs out? with the implication being that the system is less reliable, or not as trail worthy as a mechanical system. It's designed for the 10-26T, 10-28T and 10-33T cassettes. Pulled the battery and put it back and nothing. Fingers crossed, Powered by Discourse, best viewed with JavaScript enabled. You may also want to inspect your brake lines to ensure they arent kinked anywhere. Sticky pistons/pad rub/uneven pad advancement. $52.99. The front derailleurs position on the bike is absolutely foundational to its performance. WatchHow To Video, D) Set brake lever engagement with Contact Point Adjust (on disc brake models). Use DOT compatible grease whenever it is specified. Press AXS button on front derailleur Press and hold the AXS button on one shifter until the green LED blinks quickly, then release. $312.99. $27.99 . When you keep surfing on this site you agree with the cookie usage. If these mechanical fixes dont solve the problem youre experiencing, you may need to try an electronic fix. I believe YOU have done or are doing something wrong. The troubleshooting procedure that we can try is: Have the AXS app open, up to date, and all requested permissions enabled. ', I will have a look at my Etap tomorrow and see if i can find a fix for you. SRAM Aeroglide Ceramic Bearing Pulleys (Black) (10/11 . We're using cookies in case to provide best-possible user experience. Failure to follow these proper steps can allow air to easily enter the system. if an electronic system starts behaving erratically and there's no likely external factor, it's generally a sign that it's on the way out. there's a long thread on ww about shifting faults, from memory some people said that cleaning may resolve ithttps://weightweenies.starbike.com/forum/viewtopic.php?f=3&t=153126might be best to start from the end and work backwardstry sram warranty if it's new enough (you may need the seller to assist)fwiw not had an issue with mine, 4+ years so far, all weather riding. Remove the battery from your front derailleur. $147.99 Sale: $134.99. Thanks for your advice. Release the AXS button on your front derailleur. Do not lock up the wheels at any point during the bed-in procedure. Add to Basket. For older bikes with front derailleur issues, the solution is quite simple: Remove the front . One troubleshooting procedure that we can try is: Have the AXS app open, up to date, and all requested permissions enabled. Watch How To Video, B) Shift the rear derailleur in the second largest cog and use MicroAdjust to line up the upper derailleur pulley with that cog. Those that know how to adjust cable tension on a mechanical derailleur will find the micro-adjust on an AXS derailleur immediately familiar because it does exactly the same thing, electronically. A bent hanger will cause inconsistent alignment across the cassette range, B-gap, or the distance between your cog and upper pulley, affects shift speed and quality, but can also create a noisy drivetrain if its maladjusted. SRAM Red eTap AXS Rear Derailleur Pulley Kit (12 Speed) (Ceramic) Expected Sun, Apr 23, 2023 Not yet reviewed. Unfortunately with 1st gen eTap, there's not really any diagnostics you can run. $139.99. Been having issues when it comes to shifting into the big ring with my Force AXS front derailleur. Show. Company Wet lube is the quietest lube option, lasts a long time, and contributes to drivetrain durability. The heart of the electronic shifting system is the SRAM RED eTap AXS rear derailleur, which works with single or double cranks. Tutorial - YouTube 0:00 / 12:59 Sram XX1 Eagle Derailleur - My Adjustment Mistakes. SRAM XX1 / X01 / X01 DH 1x11 Shifter Spare Parts. Just ensure that the tops of the big chainring teeth are passing through the guide mark. Using the manual as a reference, here are some key adjustments to check: SRAM AXS chains come from the factory with a very light oil installed, but when it comes time to ride, we recommend applying the wet lube of your choice. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Ill be talking through some of the trailside or home workshop fixes you can carry out to keep your AXS drivetrain running sweet. If youve been riding the bike for a while, check to see if its time for your pads to be replaced. Its worth mentioning that if you need to perform a micro-adjust to compensate for a bent derailleur/hanger, you should check your limit screws to make sure the derailleur doesnt over-shift into your spokes. The rear derailleur has a safety circuit built in, which is trying to prevent the servo to run the cage against an obstacle. Maybe it shifts okay but the chain is making a bunch of noise in one or several gears like it almost wants to shift. Initially we were not hopeful, since that derailleur does not work well with ROTOR's 11-36T cassette.