How to adjust bicycle brakes?

Answer 1

Too complex to answer here. Check out www.bicycletutor.com, www.parktool.com or www.sheldonbrown.com to read up on brake maintenance.
tighten the cables? if not search on Google
www.sheldonbrown.com or www.parktool.com should tell you all you need to know.

Answer 2

Undo cable clamp on brake arm, pull cable out. There's usually a slot cut in the brake lever that helps getting the cable out. THen get new cable, thread it in, calmp it down and cut it to length. www.bicycletutor-com is bound to have a nice walk-through of how to do it.

Answer 3

Depends on what kind of it is, there are mechanically activated, hydraulically activated and hybrids.

It also depends on what feature it is you want to adjust, alignment, engagement point, brake lever stiffness...

Answer 4

there is a little Allen key hole losen that and pull the wire through as much as required then simply tighten it back up and your brake will work alot better

if it didnt work you've done some thing wrong along the line

Answer 5

http://www.parktool.com/repair/ or www.sheldonbrown.com should tell you how.

Answer 6

That would obviously depend on what kind they are, and what's wrong with them. I'll post a few links which you can follow for further info.

Answer 7

Depends on brand and model. Simple ones may not be adjustable.

Answer 8

There are too many varations on that theme to be covered here. I'll post a couple of links where you can read up on bike mechanics