All Questions
51
questions
12
votes
1
answer
5k
views
How do I rebuild Shimano XTR hydraulic brake levers?
My right brake lever (Shimano BL-M9020 to be specific) has attracted some dirt around the blade pivot area, and some parts look shiny. I suspect the master piston seals are starting to leak. Replacing ...
- 16.4k
7
votes
2
answers
4k
views
Gear cable head stuck in Shimano Sora lever
During the replacement of gear cable (Shimano Sora 2017 brake/gear levers), I incorrectly threaded the gear cable, gave it a little tug, and now the head of the cable is stuck in the lever housing, ...
- 311
7
votes
1
answer
2k
views
What did I just do? Fluid shot out of my handlebar when pushing my caliper in
I just bought a new road bike with hydraulic disc brakes, using a Shimano Ultegra R8020 Groupset. The pad was rubbing on the rear rotor and it wouldn't recenter when pumping the brake. The brake lever ...
- 276
6
votes
4
answers
23k
views
Shimano Revo Shift Gives No Clicks
I have a problem with my shifter. My bike is using Shimano Revo Shift(gripshift) RS-35 (see my picture). The one shifting the front derailer (the left shifter) does not click when I turn it but it ...
- 221
6
votes
2
answers
6k
views
Lost left crank arm crank end cap
What parts do I need to put this back together?
I've lost some pieces going for a ride but I'm not sure what exactly. I think I'm missing the end cap to the crank and maybe a spacer.
I was heading ...
- 1,427
6
votes
1
answer
4k
views
Shimano Nexus 3 (SG-3C41) 2 and 3 gear problem - Ring Gear Unit Repair
I have this internal gear hub and i try to fix it. 1st gear is ok. On 2nd and 3rd gear, especially when I run faster, the hub is not engaging properly, missing engagement sometimes. It is not problem ...
- 2,721
5
votes
3
answers
3k
views
Broken 105 shifter in fall, cause and is repair possible?
Yesterday I went for a ride and unfortunately, as it was kind of wet, my wheel slipped while braking into one corner and I crashed. Speed of the crash was around 20 kmph (12 mph) (nothing crazy, most ...
- 161
5
votes
1
answer
802
views
Shimano Deore front derailleur return spring broken?
For a couple of days now, I am no longer possible to shift to the smallest chainring of my bicycle.
There is simply no response at all (no resistance, no click-sound, nothing happens. The indicator at ...
- 53
5
votes
1
answer
932
views
Hollowtech II BB alternative for stripped frame threads [duplicate]
I removed the BB (Shimano BB-93) from my Canondale Trail and found the drive side thread is stripped on BB and frame.
See and
What are the options for me to replace the BB?
Is there an alternative ...
- 179
4
votes
2
answers
1k
views
Replacing Ultegra R8000 'long cage' derailleur (crash repair advice)
Today I did the unthinkable and crashed my pride and joy, a 2018 Specialized Roubaix comp. It's completely my fault I was commuting to work and in my pre caffeine state rode through what I thought was ...
- 323
4
votes
2
answers
701
views
Removing Nexus 8-speed IGH from hub shell
see update at the bottom
I'm trying to remove my Nexus SG-C6001-8D from its hub shell to grease it. Sadly Shimano's documentation doesn't cover the process of extracting the internals from the hub ...
- 563
4
votes
3
answers
4k
views
Electra Shifter (Revoshift) is hard to turn
My wife has a hard time turning the Revoshift grip on her Electra Townie 7D due to arthritis issues in her hands. Is there a way to help with this issue?
- 41
4
votes
1
answer
240
views
I can't track down the source of chain skip - what might it be?
Last summer it come to light that my bike is suffering extremely bad chain slip, to the extent I feel it is unsafe. From what I can tell, it only happens in the 50t ring, and the 34 may be ok, but it'...
- 41
4
votes
1
answer
7k
views
Fix a wobbly Shimano freehub?
I have a brand new Shimano Ultegra WH-6800 rear wheel. The freehub has about 2mm of play in it. I can feel the play without the cassette installed by grabbing the freehub body and moving it. It moves ...
- 267
4
votes
1
answer
392
views
Replacing Crankset
My dad bought a 2004 Fuji Absolute hybrid used and I rode it to a DIY shop to get everything checked out. On the way, the the chain came off once (1.5mi). Turns out the right crank arm is a little ...
- 41