23
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Check also that the angle of the brake
pad brings it square on to the wheel rim.
When you’ve checked all these points,
tighten up the pad clamp nut. Make sure
the pad doesn’t move by holding the
front of the pad clamp with a hexagon
key.
If a standard cantilever is not working
well, check that the straddle wire lines up
with the diagonal mark running across
the cable carrier (arrow). If-it doesn’t,
undo the straddle wire clamp and adjust
the length of the straddle wire.
To fit new brake pads to standard
cantilevers, slacken off the cable
adjuster on the brake lever and then
unhook the wire from the brake arm.
Loosen the nut at the back of the pad
holder, using a hexagon key to stop it
turning round and round.
Turn the pad clamp so that the brake
pad faces away from the rim. Pull the
worn pad out of the clamp and fit the
new one. Align it with the rim leaving
a gap at the top and set toe-in at 1mm.
Check again when the pads have worn
down.
Standard cantilever
1
2
3
4
How pads are fitted to V-style brakes
This type of pad fixing is similar to
the one used on caliper brakes. The
main difference is the use of two
curved, interlocking washers each
side of the brake arm, which allow
the pad to be moved in any direction.
You need a hexagon key for the
fixing nut.
On the other common design of pad
fixing, you need a spanner to undo the
nut at the back of the brake arm. The
dished washer, shown in the enlarged
inset picture, allows you to adjust the
pad in all directions.
