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Questions tagged [drivetrain]

Questions about a bicycle's drivetrain system, including the chain, gears, chainrings, derailleurs, etcetera.

12 questions with no upvoted or accepted answers
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1 answer
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pedals only move bike at highest gear

Recently my bike will only move if I’m in the highest gear. I can pedal at lower gears but it will not move my bike forward at any reasonable speed and when I get up to even a very low speed the ...
Sarah's user avatar
  • 21
2 votes
0 answers
120 views

Nasty noise from chain device

Hi I've purchased and fitted a superstar components plasma chain device in my specialized big hit. It makes a terrible noise and I really don't see why. As far as I can see I've set it up correctly ...
user31395's user avatar
  • 123
1 vote
1 answer
460 views

Running DUB wide crank with 52mm chainline

I have a set of sram xx1 carbon cranks that are DUB wide. My bike (2023 Specialized Epic Evo) is DUB crank 52mm chainline. If I add BB spacers to the DUB wide crank and use a 6mm offset chainring ...
Derek Ryan's user avatar
1 vote
0 answers
32 views

Odd chirpy noise, not chain or pulleys

So I have this familiar chirpy/twittery noise coming from drivetrain. It is under load on a down push on left crank, per revolution, lighter pedaling less noticeable. It's definitely not the usual ...
visionset's user avatar
  • 121
1 vote
0 answers
295 views

Other Dual Drive hubs than Sturmey Archer or SRAM?

I'm looking for a dual drive type hub. At least that's what SRAM calls them. Hubs that are both internally and externally geared. SRAM and Sturmey Archer are the only manufactures of this class of ...
BBaysinger's user avatar
1 vote
0 answers
198 views

Bike with a SRAM XD(R) freehub body and trainer with a Shimano freehub body?

I would like to change the wheelset of my bike, but I also have a smart trainer (Kickr core). The wheelset I've retained so far are the Mavic Allroad, that are available with a Shimano or XDR freehub ...
Rеnаud's user avatar
  • 20.6k
1 vote
0 answers
56 views

Pie plate cog on SRAM 2x

Okay guys, I'm trying to re-find fitness in my mid-40s. My bike has a SRAM Apex (don't laugh, if it's good enough for Alberto Contador, it's good enough for me - and you!) 10-speed drivetrain with ...
Dieterich Buxtehude's user avatar
1 vote
0 answers
140 views

Is this FD compatible with this crankset: 2 teeth too few

TL;DR: Q: Can I use an SLX FD on an all SRAM rig? A: Usually not. In the current case Trek Slash 7 2013 & Shimano M786 - no adjustment sufficed to produce a noise-free ride. I am a proud owner of ...
Vorac's user avatar
  • 13.7k
0 votes
0 answers
130 views

Is it a X sync or an X sync 2

This chainring is it an X-SYNC or X-SYNC2? https://www.bike-discount.de/en/sram-eagle-12-speed-chainring-x-sync-2-direct-mount-6mm-offset It is sold as xsync2 but on the chainring is clearly mentioned ...
davidm's user avatar
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Creak source suggestions

I have a creak from my carbon frameset Cervelo R3SL with full 1osp Duraace groupset and external hollowtec II BB. I have isolated it to drivetrain as creaks when out of saddle or none handed. I've ...
visionset's user avatar
  • 121
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51 views

Possible drivetrain problem?

I recently bought a bike and upon riding it and coasting for a relatively short time I heard a noise that sounded like the chain sort of clicking louder than the freewheel, then eventually the chain ...
Bikelife378's user avatar
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0 answers
50 views

Rubbery chatter sensation in drivetrain

I have a 1x 9s setup and am a strong rider, I ride as a courier everyday. I recently set this up with 2nd hand parts and built the wheels myself. I noticed some slight play (wouldn't really say play, ...
lazyrabbit's user avatar