All Questions
26
questions
2
votes
1
answer
302
views
How do the wheels attach on this trike design?
How do the wheels attach on this trike design?
Here are the design drawings. If you go to the section titled Steering Bridge Components you can see were it should attach.
However it does not show ...
CommunityBot
- 1
15
votes
4
answers
21k
views
Why offset the rear rim to the hub and not the hub in the frame?
I'm currently reading The Bicycle Wheel by Jobst Brandt, and I'm reading all of the issues with offsetting the rear rim toward the drive side of the hub...
Asymmetry in a rear wheel built for a ...
13
votes
2
answers
3k
views
Rear wheels are dished. Why not "dish" the frame instead?
Most rear wheels are dished to make room for the cassette. They have the drive side spokes comming into the hub more perpendicularly, which weakens the wheel against lateral forces in that direction. ...
- 128k
13
votes
1
answer
2k
views
Front tire and downtube are extremely close
I bought a brand new Oolter Torm S
The distance between the front wheel and the frame looks normal. However the bike that I got looks like this:
I did buy a bike that is slightly too small (...
- 2,319
21
votes
10
answers
35k
views
Rear wheel slipping out under load
My commuting/cyclocross bike (a Surly Crosscheck) has a problem.
If I tighten the quick release skewer to a normal level, sort of firm to close it, then if I step on the pedals hard at some point, ...
- 11
3
votes
2
answers
2k
views
What type of bikes have a steel frame with 135mm rear dropouts spacing?
I'm looking for a bike frame made of steel with a 135mm rear dropouts spacing. The reason is that I might have to cold set at ~ 138mm for a project.
It could be a road bike, a mountain bike, or a ...
- 14.6k
6
votes
2
answers
2k
views
Rear wheel centered at seatstays but offset at chanstays
Built up a new bike. All components are new and unused.
As title suggests, rear wheel sits right in the middle of two seatstays (checked with ruler and vernier caliper) but is off by ~3mm at ...
- 2,857
3
votes
1
answer
3k
views
Why is this rear wheel not aligned with the frame?
My LBS sold me a new wheel. I put on the new wheel. I'd go back to the LBS, but I'm afraid that I live far away from them. Alas, I'm now having this problem:
As you can see, the wheel is quite not ...
- 12.9k
12
votes
7
answers
3k
views
What are the most basic parts of a bicycle which cannot be upgraded over a period of time?
After reading this question: Cheap MTB with future upgrades v/s costly fully ready MTB, I myself had a question.
What are the most fundamental parts of a bicycle? What are the things which we have to ...
- 556
1
vote
2
answers
2k
views
I have an 8-speed GT Aggressor Pro and I want to upgrade it to have 12 rear cogs
I found a really cheap 12-speed SRAM groupset, and I want to know if I can just get a new rear wheel or if I need a new frame.
- 86.5k
2
votes
2
answers
12k
views
Rear tire has started rubbing frame at one spot
Riding my bike within my suburban residential neighborhood, I felt a shock, like a snap although I don't think anything snapped, followed by a rubbing noise every few seconds. Pedaling and the brakes ...
- 2,730
2
votes
1
answer
811
views
Rear wheel touch frame during off saddle sprint
bike: Cervelo S2 Photo
wheels: Mavic Cosmic Pro Carbon (wheel is true)
tyres: Continental Grand Prix 4000S II 23mm
Problem is that during off saddle sprint my rear tyre touch the frame and makes ...
- 221
3
votes
2
answers
2k
views
Why does a bike frame have to be above 56 cm usually to fit 700c tires?
I first came across this when I was looking at the Surly LHT, but I started to see it everywhere. It seems to me they can just put on a longer fork or something, or is it more for the back wheel?
3
votes
2
answers
424
views
What to do with the new parts on an old bike I want to dump?
Three years ago I bought a second hand bike, which I used for cycling on average 10 miles a day (mostly commuting). It turned out to have many problems, so over time I replaced many of the parts on it ...
- 75.8k
3
votes
1
answer
2k
views
650b for small rider?
I'm considering getting a bike for my friend; she is interested in riding road/gravel with me, doesn't own a bike of her own, and doesn't know too much about what's available.
She is about 5 feet ...
- 511