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Unanswered Questions

124 questions with no upvoted or accepted answers
9 votes
1 answer
949 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 ...
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 ...
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 ...
4 votes
0 answers
125 views

Scott 965 hub Problem

Good afternoon, I recently bought a Scott 965, I chose this bike for the beauty of it and the equipment it came with, I wanted to change to a bike with sealed bearings and leave the bearings Sphere ...
4 votes
1 answer
123 views

Samox crankset okay for touring bike?

I just bought a new Salsa Marrakesh. My main use is moderate distance touring (1000 km to 7000 km tours) although it might end up going further. The Salsa web-page says that the bike has an Alivio FC-...
3 votes
0 answers
70 views

How to properly adjust front derailleur height when it can sway significantly once the clamp bolt is loosened up?

I'm trying to adjust derailleurs myself, for the first time .) the model is DEORE XT following the how-to https://www.wikihow.com/Adjust-a-Shimano-Front-Derailleur the very first step - adjusting its ...
3 votes
0 answers
57 views

How to connect quick link for 6/7/8 gears Shimano chain?

I recently ordered a new chain and I am having trouble connecting the quick link, which I also ordered (first time doing it). It seems the pin of the quick link won't stick out far enough to be able ...
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 ...
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 ...
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 ...
2 votes
0 answers
34 views

Square taper with 15.5mm end?

I got a Star Trac NXT for £15 for some indoor fitness but it's missing its left crank arm. I thought to myself oh I'll just throw on a standard steel crank arm and I'll be good to go BUT it doesn't ...
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 ...
2 votes
0 answers
94 views

Are wheels designed for a maximum disc/rotor size?

I'm looking at some new wheels which Shimano describe as "140 mm disc brake rotor compatible". Does this mean they can't handle larger 160mm rotors? If not, why would they make this point, ...
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
0 answers
171 views

Shimano spd pedal clicking on downstroke on left side

I got a pair of shimano spd pedals less than a month ago and installed them on my bike (currently set up on an indoor trainer) and started to notice a click recently on the downstroke as I come over ...

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