All Questions
26
questions
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, ...
- 4,476
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 ...
- 3,963
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 (...
- 1,468
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. ...
- 2,069
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 ...
- 393
9
votes
3
answers
21k
views
26" vs 28" wheels for touring
I was told by a friend that 26" wheels are better than 28" wheels for touring. Is this true? What are the pro's and con's?
I'm told that 26" wheels are stronger for their spoke count. What are the ...
- 601
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
4
votes
1
answer
11k
views
How to calculate bike stand-over height using frameset geometry and wheel radius?
While it's best to buy through fitting a bike in store, it's not always possible (discussed here).
On some websites, the stand-over height of a bike may not be listed as part of the specifications.
...
- 1,585
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 ...
- 335
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?
- 2,415
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 ...
- 1,445
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 ...
- 587
3
votes
1
answer
574
views
How to grease a hub?
I have a question about hub,
When should I grease my hub ? every 20000 km ?
How do I know it needs new grease ?
Because I can not see if the grease is dry or not...?
Thanks
- 919
3
votes
1
answer
3k
views
Rear disc calliper won't fit, disc mount bent?
I am upgrading my MTB to disc brakes.
I have disc compatible wheels and a set of Shimano M446 Postmount callipers and 160mm rotors.
Front fork is a Manitou who decided to jump on the Postmount wagon ...
- 705
3
votes
4
answers
2k
views
Are two different tires marked with the same dimensions (700 x 25c) the same size?
Both sets of tires are from different reputable manufactures but the details are the same. ie Clinchers folding etc.
I recently changed my tires on a road bike, the clearance on top section of the ...
- 1,290