Unanswered Questions
109 questions with no upvoted or accepted answers
9
votes
1
answer
950
views
Shimano Dura-Ace R9120 lever leaking
My bike's Dura-Ace R9120 rear-brake/front derailleur shifter (left shifter in UK) leaks brake fluid when I pull hard on the lever. It leaks from this specific place:
I understand this lever is ...
CommunityBot
- 1
6
votes
0
answers
483
views
Shimano road bike lever leaking mineral oil
I have a leak in my Shimano DA 9170 (right) shifter. When I do a bleed, everything seems to work for a ride or two and then I start to lose braking power and the underside of the brake hood is wet ...
CommunityBot
- 1
4
votes
0
answers
285
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 ...
- 141
3
votes
0
answers
148
views
Help identifying brand of road bike frame
Last year I bought this second-hand bike, but I was a total newbie and didn't realize that the branding was just stickers until I received it.
It's still a good bike and I'm having fun with it, but I'...
- 131
3
votes
0
answers
115
views
What could the source of this ticking sound be?
I have an annoying ticking sound that I need some help with. I've read through a lot of suggestions online and two bike shops have failed to solve it.
The bike is a brand new custom build (Trek Emonda ...
- 6,437
3
votes
0
answers
86
views
Just hoping someone out there recognizes this bike and can help identify it
Assuming this is a 90s era aluminum frame with only a head badge sticker to identify it, no name or model printed anywhere. RX100 RD, DeoreXT FD, Sugino triple crank and Exage500EX brakes. the fork is ...
- 31
3
votes
0
answers
187
views
Help identifying this $25 ebike
I picked up this folding bike for $25 thinking I would google it and have all the info I needed to get it functioning.
Any help finding documentation would be great, what kind of battery can I plug ...
- 14.3k
3
votes
0
answers
8k
views
Shimano STX rear shifter, broken spring
I have to repair a Shimano STX shifter 7 speed (from a Raleigh MT200 bike from 1995). It has a broken spring, and I am almost sure that is the only thing to be repaired.
It is similar to that ...
CommunityBot
- 1
2
votes
1
answer
26
views
Replacing brake lever on Shimano Nexus integrated shifter/brake lever
I have a Shimano Nexus Revoshift shifter with brake lever, part number SB-C6000-8, to use with a Nexus 8 internally geared hub. The brake lever has been sheared off where it joins the body of the ...
- 133
2
votes
0
answers
65
views
Warped MTB Tyres
I recently bought a used Canyon Spectral, which came with Maxxis minion and highroller 27.5 x 2.3 TR tyres. Both tyres appear to be warped. The rims are fine and I’ve tried installing with several ...
2
votes
0
answers
40
views
Surface scratch on carbon steerer
Following my previous post, I managed to find an identical new fork replacement from a reseller since the communication with the company was absolutely terrible...
When I unpacked the fork though, I ...
- 153
2
votes
0
answers
72
views
Rear hub is sticky and clacking when backpadeling
I'm having trouble with my Nexus 8 Hub. It started to feel strange recently after a tour. I got help by someone in a free bicycle garage. We opened up the hub, gave it an oil bath and greased all the ...
- 21
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-...
- 2,090
2
votes
0
answers
76
views
Identify this Bianchi - possibly 80s
Can someone please help me identify this Bianchi model?
My uncle has had it in storage for since years – I believe it's from the 80's.
Here are some photos, to help identify the model.
Cheers,
Alex
- 21
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 ...
CommunityBot
- 1