Skip to main content

Unanswered Questions

43 questions with no upvoted or accepted answers
4 votes
0 answers
237 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
1 answer
2k views

What are the axle nut sizes on the brompton?

What are the exact specifications of the nuts used on the various axles of the Brompton bicycle? Specifically, I have a 2016 M6R black, but I would appreciate it if you listed the specifications for ...
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
59 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
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
0 answers
95 views

What size rear axle and cones for 1999 Schwinn Cruiser 6?

What size rear axle and cones fit a 1999 Schwinn Cruiser 6 bicycle. I cannot find a part number or identifier, is it the same size as BMX parts?
2 votes
1 answer
98 views

Old bike: replaced rear axle but the tire goes off the axis when I get on it

I just broke and then replaced my rear axle on an old timey race bike I bought online. Everything seems to go smoothly when the bike is up on a stand or on at my side, but once I get on it and try to ...
1 vote
1 answer
38 views

Can a 37 total capacity setup do good with a 37 total capacity shortcage ss rear derailleur?

I've been asking this question for a few days now and I've been so curious about it My setup is a 11-32t sprocket and a 50-34t crankset, the total of that is 37 The main question is in the title but ...
1 vote
0 answers
27 views

Newbie biking question: Tacx flow smart trainer compatibility with Decathlon Triban RC 100/120

Complete newbie to biking and indoor biking. I'm looking to buy the Decathlon Triban RC 100 or 120 model. I can't seem to gauge the compatibility with the Tacx flow smart trainer (wheels on). On the ...
1 vote
0 answers
48 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
37 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 ...

15 30 50 per page