Unanswered Questions
74 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
7
votes
1
answer
1k
views
Alternative to 5-speed twist shifter for Shimano Nexus 5-speed IGH?
I'm going to buy a SG-C7000-5D / SG-C7050-5D and don't want to use the twist shifter. Unfortunately there aren't many 5-speed flat bar shifters around theses days. I've searched for alfine shifters, ...
- 5,202
6
votes
0
answers
109
views
What is forward drag on a coaster brake
I have a single-gear coaster brake bicycle that needed fixing. I would have to pedal real hard to get it to go and backpedal a block in advance for bike to stop. Very spongy brakes. Well I took brake ...
- 13.9k
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
3
votes
0
answers
52
views
Microshift AdventX drop bar lever spring position
My left brake lever spring was not pulling the lever back and I checked and it was bent. I removed the lever and fixed the spring, but I don't know how to put it back. I can't find any tutorials nor ...
- 173
3
votes
0
answers
96
views
Can't find a "friction screw" for a friction shifting system
I recently broke one of the two speed levers ajuster (friction screw) that adjust the pressure between the levers and the cable. It's made in plastic as shown in the picture below. I would like to ...
- 31
3
votes
0
answers
796
views
Jammed pawl on 8-speed shimano shifter
I'm doing up a bike that seems to have been sitting in a shed for the last 25 years.
It has a Shimano 105SC groupset (93-99) with 8-speed st-1055 STI shifters.
As seems to be the norm for these ...
- 131
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 ...
- 135
2
votes
0
answers
46
views
Why have my rim brakes started making a scraping noise?
I bought a bike about 7 months ago, and I've noticed over the last few weeks that it's started making an unpleasant scraping noise when I brake. Does anyone know what might be causing this and how to ...
- 121
2
votes
1
answer
159
views
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 ...
CommunityBot
- 1
2
votes
1
answer
74
views
Sram/Avid brake hose compatiblity
I have Sram Rival AXS which I want to transfer from one bike to another. Unfortunately the new bike is bigger (M -> XL) so new brake hose is required. SRAM recommends SRAM Brake Hose Kit - Double ...
CommunityBot
- 1
2
votes
0
answers
95
views
Cable housing end cap for BR-M375
I replaced the no name brake calipers on an entry-level ebike for Shimano BR-M375. The cable housing for the rear caliper was a bit too long, so I cut off a few centimeters. Then, I put a new 5 mm end ...
- 4,159
2
votes
0
answers
2k
views
Shimano gears not shifting (rear derailleur not moving)
My gears were slipping on a ride out, then they stopped shifting altogether. It’s on the lowest speed and won’t go up.
I had the issue a couple of months ago, and the mechanic said something about a ...
- 21
2
votes
0
answers
284
views
after multiple brake bleed, lever's max stiffness is still close to bar
so after a few bleeds i've done on these Shimano saints, because of new levers replacement, i've found that the rear brake lever, although on max stiffness, goes way further to the bar then the other ...
- 185