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Unanswered Questions

45 questions with no upvoted or accepted answers
5 votes
0 answers
3k views

SRAM XD cassette will not fit on the splines of an XDR driver

I have an 11 speed 10-42 XD cassette that I am trying to fit on an XDR driver (this one - https://www.alltricks.com/F-41493-pieces-roues/P-676097-fulcrum_body_sram_xdr). No matter how I turn the ...
4 votes
0 answers
279 views

Sram AXS derailleur does not shift

Have you encountered a problem where a rear AXS derailleur stops shifting? Any suggestions? I bought a mint 2023 GX AXS derailleur on Marketplace, it worked for the first short test ride on a road but ...
3 votes
0 answers
141 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
2 votes
0 answers
33 views

How can I make my vintage sturmey Archer AW hub take a 3 speed cassette? (Minimal metal work, none if possible)

So to make answering my question easier, I'll start with the goals, I wish to be able to attach a 3 speed cassette and tensioner (relatively low cost) to my vintage Sturmey Archer AW hub so i can have ...
2 votes
0 answers
50 views

Something like chainsuck on RD lower pulley after new crankset install?

I just switched out a Shimano M5100 crankset for a SRAM GX Eagle crankset. I am using a KMC X11-EL chain. I cleaned the chain before installing it with the new crankset. My RD is a Shimano SLX 11-...
2 votes
1 answer
243 views

Upgrading Shimano Acera 8 speed Rear Derailleur to 8 speed Shimano XTR derailleur

Looking for some help here. I am upgrading Shimano Acera 8 speed rear derailleur to 8 speed Shimano XTR rear derailleur and it appears that because the old 8 speed XTR derailleur has a clip for the ...
2 votes
0 answers
60 views

clicking chain on 3rd gear only

Shimano DI2 11 speed XTR on my gravel bike. The 3rd from smallest gear on the cassette makes a clicking sound. Any other gear its fine. Cassette and chain are fairly new. Have reindexed, checked ...
2 votes
0 answers
416 views

Using 11-36t 9 speed derailleur with 11-40t 9 speed cassette

So I've got the shimano altus rd-m2000 and it says that it only supports 11-36t. However, I've seen people on forums say that it's possible with this derailleur. Even it I was wondering if with a ...
2 votes
0 answers
421 views

chain / cassette / chainrings replacement ratios - how often to you usually replace cassettes & chainrings per number of replaced chains?

I'm looking to get other riders experiences with how often cassettes and chainrings usually have to be replaced per the number of chain replacements. On my 2 road bikes I usually find roughly the ...
2 votes
0 answers
835 views

Why do SRAM rear derailleur not have a parallel movement

My SRAM rear derailleur (Rival 22 circa 2016) has a non parallel movement. When it is in the lowest gear, the cage and pulley sprockets align with the cassette sprockets, but when it's in the highest ...
2 votes
1 answer
1k views

Compatibility of Shimano Ultegra and Sora components

My road bike has an Ultegra groupset, but some parts need replacement (chainrings, chain, and cassette). The chain is worn out, the cassette is sliding with a new chain, and the chainset is also worn ...
2 votes
1 answer
2k views

9 Speed Shimano cassette on 10+ speed hub

I've got a 2010 Specialized Tricross with a mostly original drivetrain and wheels. Notably for this question: Front derailleur: Shimano Tiagra Rear derailleur: Shimano Deore LX Chainset: Shimano ...
1 vote
0 answers
16 views

How do you stop the rubber shield from wandering unless you lock it behind the shift outer cap w/ tongue, which introduces a compressible sheath?

I installed the two parts shift outer cap with long tongue, and rubber shield as shown below, but I'm not absolutely sure this is right. If I put the rubber shield (the one on the right in the ...
1 vote
0 answers
49 views

New tire tube and grinding noise?

I punctured my tire tube so i had to remove my back wheel out and replaced the tube, when reassembled, derailleurs started making grinding noises. I checked where the sound was coming and it was ...
1 vote
0 answers
72 views

Not able to shift from a specific gear

I have a 9-speed rear derailleur and shifting from 1 to 9 isn’t a problem except when it is from 6 to 7, while downshifting has a bit of lag, upshifting takes forever and sometimes it doesn’t even ...
1 vote
0 answers
38 views

Compatibility Shimano rear derailleur RD-6300

I have this Shimano 600ax. Due to my stupidness I broke the body of the rear derailleur endings its life. There are other rear derailleurs (RD-6300) on ebay for example but these are very expensive ...
1 vote
0 answers
38 views

Chain goes slack in gear 5-10 and very noisey hum

When I’m coasting downhill >35 kph and chain is in gears 5-10 and I hit a bump the chain goes slack, a very loud irritating hum/vibration sound is emitted from the rear wheel until either I pedal ...
1 vote
0 answers
144 views

Chain creaks under pressure

Just adjusted my back derailleur and now the chain makes a loud creaking noise while under pressure. When on a repair stand the shifting is perfect but while biking it’s horrible and the sound & ...
1 vote
0 answers
46 views

Expand range on xt FC-M5100-2 cranks

I am wanting to convert Giant toughroad SLR from 2x10 to Di2 2x11. It has a QR 135MM rear axle and am told it should accept a shimano 11sp cluster, say the CS-M8000 11 46t The xt cranks are 26 36 ...
1 vote
0 answers
178 views

Can i use claris R2000 rd on 14-34T mega range sprocket?

I have sprocket 14-34T with mega range. I planned to change my old (maybe 1990's) shimano tourney rd to shimano claris R2000 medium cage. Some of my local bike shop said that i can replace with claris ...
1 vote
0 answers
134 views

Cassette noise in gears 1,2 and 3 on newer bike

I was out riding when I broke my chain (too high of a gear and too steep of a gradient). Got chain replaced and now my cassette gear 1 (easiest gear) takes more power to pedal than gear 2 and when I ...
1 vote
0 answers
223 views

Direct mount rear derailleur

I'm upgrading an old MTB for commuting, it had a 5 speed on the back but I'm going to be putting on a new 26" rear wheel with a 7 speed cassette because the freewheel axle wobbles, makes noises ...
1 vote
0 answers
1k views

Shimano 9 Speed Cassette with Microshift Advent 9 Speed Road Shifter

I fancy setting up my old but amazing Cannondale F1000 with a dropbar and corresponding road shifters.The only affordable system I could find for that is the Microshift Advent 9 group. I'm happy with ...
1 vote
0 answers
91 views

Campagnolo rear mech screw type

My limit screws' heads have gone rusty, I want to replace them for looks and to make sure they are easy to adjust on a ride. I would love hex rather than Philips heads! Does anyone know the type of ...
1 vote
0 answers
239 views

New chain and cassette makes cycling much more difficult

I had a new chain and cassette fitted yesterday. But today, hills which I could easily climb two days ago are now horrendously challenging. What was a pleasure has just become a nightmare. Why is this ...
1 vote
0 answers
906 views

What is the thread size/measurement of the derailleur barrel adjuster?

The barrel adjuster threads on my commuter bike's RD have been marred when the barrel adjuster got bludgeoned on a side crash and I want to chase the threads before screwing in the replacement barrel ...
1 vote
0 answers
298 views

Can't get in first gear on Shimano ten speed block

Just replaced drive chain on mtb ... new cassette (Shimano 10 sp ) new chain (Shimano 10sp) new rear mech (Shimano 10sp long) and new (Shimano 10sp). I've set bottom stop tensioned cable and adjusted ...
1 vote
0 answers
789 views

SRAM eTap rear derailleur chain drop issue

I’m having an issue with my chain falling off the lower pulley wheel when (1) I hit a significant bump or (2) shift from large ring to small ring. But only in cogs 6, 7, 8. Any suggestions? I’ve ...
1 vote
1 answer
69 views

Compatibility question

I was wondering on a mountain bike what rear derailleurs work if have a 21 speed bike. Additional information: 7 ring rear cassette and 3 in the front Will an 8 and 9 speed rear derailleur work or ...
0 votes
0 answers
16 views

Shimano Ultegra 9500 set rear mech skips 8th gear

I'm riding a stock Schwinn fastback road bike from around 2004 that came with a Shimano Ultegra 9500 set, with 2x9 speeds. I have never messed with the derailleurs as they've always worked fine. The ...
0 votes
0 answers
167 views

Replacement pulleys for Shimano Deore XT RD-M739 SGS derailleur (8sp)

Wondering what replacement pulleys I should get for this type of derailleur. All details of the derailleur can be found here: https://velobase.com/ViewComponent.aspx?ID=4f90a749-6254-4a37-840d-...
0 votes
0 answers
62 views

My derailleur doesn't go from gear 1 to gear 2 by itself but the rest does

The derailleur doesn't go from gear 1 to gear 2 by itself so I have to manually push it, it works perfectly fine shifting from 2 to 7 but when I try to change the gear to 8, it stays on 7
0 votes
0 answers
71 views

My bike won’t change out of first gear

NoI’ve tried changing the looseness of the H and L screws but my great problem remains the same. It won’t change out of first gear even when I manually put it into another gear. The back derailer is ...
0 votes
0 answers
315 views

Which currently available rear derailleur would work as a replacement for a Schwinn Boundary 29 Pro Shift?

I would like to change my rear derailleur. I have a Schwinn Boundary 29 inch, Pro Shift. I am not sure what year. Which currently available derailleur would mount up to the frame and operate correctly ...
0 votes
0 answers
16 views

Claude butler urban rear derailer upgrade

Hi looking to upgrade rear derailer. Currently has shimano tourney tx30 with 3 x 7 set. Can I fit a deore instead?
0 votes
0 answers
50 views

Band New Front Gear Shift Issue

I brought a bike a few days ago and barely rode it. Every time I did I noticed that the chain would slip in the front gear going to a larger chainring, in this case it's gear 2. 'Funny thing is I took ...
0 votes
0 answers
49 views

Chain slipping at specific chainring angle

1x11 road bike suddenly starts “slipping” gears without fully jumping gears. I noticed that, only when pedaling backwards in the bike stand, it happened in 180 degree intervals at a specific part of ...
0 votes
0 answers
82 views

Fixing up a rusty old Rallye mountain bike

I bought a Rallye mountain bike from Facebook Marketplace last year and did most of the major overhauling then as well. It was covered in mud, gunk, rust, had broken pedals, etc. So I had replaced the ...
0 votes
0 answers
80 views

Bracket axle for Shimano RD-2300 rear derailleur

Where can I find a bracket axle for Shimano RD-2300 rear derailleur? I searched everywhere and I didn't find one. I need to mention that the frame type is Speed Fitness Alloy and bike is a Focus ...
0 votes
0 answers
51 views

What might be causing the faulty shifting on my bike?

I bought a used bike that has 8 speed cogs and 3 speed chainrings. The front shifts great but the back regularly fails on the 6th and 5th speeds. I know a bit about adjusting the shifters so I can say ...
0 votes
0 answers
37 views

Rear derailleur not shifting first time from lowest gear

I am installing new cables and trying to reconnect the rear derailleur. I can the gears indexed perfectly on the way up but when I try to shift down from the lowest gear (biggest cog) it doesn’t move ...
-1 votes
1 answer
1k views

Apparently too much rear derailleur cable pull

I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that seems to move too much per shift. It shifts the chain on a 11-30 8-speed cassette with chainrings being 36/48 and the ...
-1 votes
1 answer
512 views

Rear derailleur is not working correctly

Having problems with the derailleur in an old Panasonic 10 speed. When I shift the bike all the way up to 5th gear ( smallest in the back) the spring on the hanger of the derailleur has no tension at ...
-1 votes
1 answer
203 views

Why doesn't the cassette rotate when I backpedal?

I have an old bicycle where backpedaling causes the cassette to not rotate. Instead, the cassette stays still and the rear derailleur bends, providing new chain to go around the backpedaled chainring. ...
-3 votes
1 answer
254 views

How to adjust rear derailleur indexing in a mix-and-match drivetrain in the easiest manner?

I have a touring bike where the drivetrain has been built not according to Shimano's instructions. For example, the shift lever is SL-BS64-8 Ultegra 8-speed bar end shifter that according to Shimano's ...