»  Home  »  2006  »  October 2006  »  Issue 476 October 13  »  Weekly Sport  »  A stitch in time saves brake problems

A stitch in time saves brake problems
By Eddie Barkla
Weekly Sport
YOU might not think much about your brakes when you’re riding, but when you need them you want to be sure they’re working.
Like so many other things, regular check-ups are the key.
There are two types of bicycle braking systems: rim brakes and disc brakes.
Maintenance is pretty similar for both types. Keep them clean, properly aligned and check for wear.
Rim brakes consist of a pair of rubber pads that work by applying friction to the wheel rims.
Friction causes wear, so they need replacing every now and again. 
The pads have three grooves, the bottom of which indicates the limit of wear.
You’re better to replace the pads before they wear all the way to that limit.
The grooves can often be filled with dirt, especially in the wet.
Clean them out using something with a flat blade, then wipe the surface of the pads clean.
Clean your rims, too. Keeping the two surfaces clean will reduce the rate of wear of both pads and rims.
How are they wearing? Evenly across the whole surface? That’s good.
If they’re wearing unevenly, something is not set up right.
The pads may not have been fitted properly or your brake callipers may need adjusting.
The pads should only touch your wheel rims. If they’re not seated properly they can start rubbing on your tyre and it won’t be long before that tyre blows out. 
Don’t ignore squealing or scraping noises when you apply your brakes.
Try cleaning your pads and rims and if that doesn’t cure it, it’s probably time to replace the pads.
Disc brakes are becoming more common on mountain and hybrid bikes.
They consist of a “rotor” mounted on the wheel hub and callipers containing brake shoes attached to the frame. The brake shoes are hard metallic or ceramic-based pads.
Check your rotors and brake shoes often for dirt and oil. Keeping both surfaces clean improves your braking efficiency.
While you’re at it, make sure the rotors are not warped, cracked or damaged in any other way.
Squealing brakes might be caused by dirt or loose callipers.  If they’re hydraulic brakes, check all the hoses and fittings regularly for leaks.
Lastly, how far do you have to pull the levers to apply your brakes? If you have to pull them all the way, your cables have stretched or your hydraulics have a leak, so have them checked.
See you on the road soon, God willing

Riding ‘round Bendigo 

Lockwood South 35km return

From Bendigo, head towards Kangaroo Flat along the linear creek path to Crusoe Rd and turn right. Follow this all the way to the Alternate Calder and turn left.
You can either stop at Happy Jack’s (about 200m up the road) for coffee or turn right after another 100m and stop for a picnic at the reserve beside Bullock Creek. Return the same way.
The Bendigo Bicycle Users Group publishes a full calendar of rides. See www.bendigobug.org.au.



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