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Unanswered Questions

104 questions with no upvoted or accepted answers
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 ...
6 votes
0 answers
996 views

Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
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
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
45 views

Installed new rim and hubs. Disc rotor is now rubbing against disc brake mount

The new hubs spacing seemed to be too small for the fork that it now rubs against the disc brake mount. In the picture, I can't even squeeze it in between the mounting point and the rotor. Looking for ...
2 votes
0 answers
62 views

Why does my rotor not fit my mechanical disc brakes suddenly

I have a 2021 GT Aggressor with mechanical disc brakes. I bought this brand new from Dicks Sporting Goods so I know it's all original parts. I know that my rear rotor is bent and I purchased the rotor ...
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
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 ...
2 votes
0 answers
101 views

Can't seem to quiet my disc brakes

I recently purchased a bike that clearly needed fixing, for a great price. I've given the bike a bit of a tune-up, but one thing that won't seem to go away is the squealing sound coming from the disc ...
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 ...
2 votes
0 answers
232 views

Does (or has in the past) an adaptor existed to mount a disc rotor to a Shimano Rollerbrake type hub?

I have acquired a Nexus 8speed rear hub. It’s a good one and I’d love to use it. However, it has been set up to use rim brakes and under the plastic cover is the interface to mount a rollerbrake. Does ...
2 votes
0 answers
369 views

HELP Identifying a vintage MTB frame

I only have three clues: "3.0 Aluminum" on the top tube Serial Number on the frame itself "Designed in the USA" flag decal Can anyone help me identify this vintage MTB frame?
2 votes
0 answers
139 views

Do Silverfox have a website?

I about 12-13 years ago I bought a Silverfox Slither mountain bike on a whim, and after the initial excitement wore off, I have rarely used it over the years. Fast forward to today, I've got back ...

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