Unanswered Questions
129 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
6
votes
0
answers
997
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. ...
- 46
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
4
votes
0
answers
523
views
What bike frame has these lugs?
Can someone help me identify my bike frame? It has this V-shaped cutout in the top tube lug and a serial number of 2948. It has SunTour dropouts, likely NJS.
- 1,302
3
votes
0
answers
116
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I need help identifying this womens bike frame, please
It's nearly 70 years old. I've narrowed the potentials down to Sears, Schwinn or possibly J.C. Higgins. I did just order the wheels for this and it takes 26" schwinn apparently as opposed to ...
- 128k
3
votes
0
answers
151
views
Bike Frame Identification
Does anyone have any leads on what make/model/year of frame this is? I spotted this bike last summer and it's been nagging at me ever since. I love the design and am trying to track down who is ...
- 12.9k
3
votes
0
answers
519
views
Help identify this loop frame bike
I'm trying to find out more information about this old loop frame bike I'm planning to refurbish. I haven't found any other marks that may be identifying, if there's anything else I can take a photo ...
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 ...
CommunityBot
- 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, ...
- 5,939
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 ...
- 5,939
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
105
views
Identifying this road bike brand
Can someone help me identify this frame? It was given to me in Switzerland. My uncle and cousin bought it already painted grey. I noticed an engraved logo in the dropout, but it does not look like it ...
- 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