0
votes
2answers
372 views

What do I need to know about fitting new wheels on a bike?

My girlfriend has had the wheels stolen from her bike. I'd like to replace them, but we're working with a limited budget so I'm going to do the work myself and source the parts second hand. I've done ...
3
votes
2answers
975 views

Mounting a 7-Speed Cassette on an 8/9 speed hub

I asked an earlier question regarding putting modern road wheels on my old steel frame. After clarifying a few things the main issue to me is the number of gears on the freehub. (The freehub I'm ...
6
votes
4answers
534 views

Comparing gear ratios on different bike types

How can I compare gear ratios on different wheel sizes? How can I compare gear ratios on MTB with tracking bikes with bigger wheels? How can I compare gear ratios with gear hubs?
1
vote
2answers
301 views

Speed and the sizes of tires/gears

Does the speed of a normal mountain bike vary according to the diameter of the wheels? If it does, will a larger diameter increase the speed or decrease it? Similarly, if the speed varies according ...
2
votes
2answers
2k views

Rear wheel not centred, presses against one of the brake pads (Rohloff hub, Magura rim brakes)

Upon replacing my rear brake pads, I noticed that my rear wheel is not properly centered. The consequence is that the wheel is pressed against one of the brake pads, as can be seen in the pictures ...