Symptom guideBike troubleshooting guide
Explore possible causes and planning cost ranges from common symptoms. This guide cannot inspect or diagnose your bike.
Likely causes
Brake squeal or grinding
Get it checked this weekLikely causes
- 1Pads or shoes worn to the metal (grinding sound)
- 2Dust or glazed brake pads
- 3Oil or chain lube on the disc
- 4Mud and water after rain
Check yourself first
-
Look at pad thickness through the caliper: under 2 mm needs replacing
-
Keep chain lube and polish off the disc
Guidance only, not a substitute for an inspection. Costs are approximate ranges for parts and labour.
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