Unanswered Questions
79 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 ...
- 13.9k
4
votes
0
answers
573
views
Mavic Cosmic SLS - carbon separation
Some aero’ wheels are an aluminium rim with a carbon fibre shroud. On a Mavic Cosmic SLS rear wheel, I’ve found that the carbon fibre shroud is separating from the aluminium rim. Just visible in the ...
- 1
3
votes
0
answers
599
views
Help identifying a Bianchi track frame
I've been trying to identify this Bianchi track frame - any help would be appreciated! Closest I've come is Eco Pista from early 80s, but I'm absolutely no expert on the matter.
The numbers on the BB ...
- 31
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
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 ...
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- 1
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, ...
- 5,984
2
votes
0
answers
76
views
What factors contribute to tightly fitting tyre
I recently purchased a 2021 Giant Propel Advanced Pro 0 road bike and it came with Giant’s SLR1 hookless wheelset. I have been having a pretty tough time replacing the tube after I have received a ...
- 5,984
2
votes
0
answers
96
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
66
views
I need help with a airless inner tube/tire issue
So I just bought a brand new Abound from Aventon. The city I live in is horrible and even with double thick tired, Tannus armor inserts, and puncture-resistant inner tubes I've had 3 flats in 3 months ...
- 128k
2
votes
0
answers
76
views
Would anyone happen to know what model this HED wheel is?
I have come upon this HED rear disc wheel and want to do a quick cost evaluation, and identify the model year ideally. Any help would be appreciated!
- 53
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
2
votes
0
answers
177
views
SRAM Hydraulic brake stuck (with a changed bite point) after landing/impact
I experienced a weird problem on my SRAM level t 2 piston brakes.
I like hopping my bike around, e.g. bunny hopping onto curbs. Sometimes, if the impact is hard, the brake lever would have reduced ...
- 121
2
votes
0
answers
2k
views
Slight play/jiggle in rear wheel, bolt speed-thru axle is fully tightened?
Bike is a Cannondale Topstone Ultegra RX2. Rear hub is a Formula RXC-400, 12x142 centerlock.
I got a flat rear tire on a ride and swapped the tube. When I retightened the thru axle I noticed that ...
- 21
2
votes
0
answers
283
views
Front wheel buzzing intermittently
Just tried fixing up a 2007 Land Rover Kaikas MTB, that cost £400 (about $530) when it was new. The front wheel makes an intermittent buzzing sound, that usually lasts around 2 - 5 seconds, and might ...
- 1
2
votes
0
answers
454
views
Raleigh Twenty front wheel removal
I'm trying to change the tires on a c. 1971 Raleigh Twenty, and I cannot for the life of me get the front wheel off: nuts are loosened, dynamo/basket support/mudguards all disengaged, but it won't ...
- 1