Problem | Possible Cause | Remedy | ||
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Freewheel does not rotate | - | Freewheel internal pawl pins are | - | Lubricate. If problem persists, |
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| jammed |
| replace freewheel |
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Brakes not working effectively | - | Brake blocks worn down | - | Replace brake blocks |
| - Brake blocks/rim greasy, wet or dirty | - Clean blocks and rim | ||
| - | Brake cables are |
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| binding/stretched/damaged | - | Clean/adjust/replace cables |
| - Brake levers are binding | - | Adjust brake levers | |
| - Brakes out of adjustment | - | Center brakes | |
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When applying the brakes | - | Brake blocks worn down | - | Replace blocks |
they squeal/squeak | - | Brake block | - | Correct block |
| - Brake blocks/rim dirty or wet | - Clean blocks and rim | ||
| - | Brake arms loose | - | Tighten mounting bolts |
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Knocking or shuddering when | - | Bulge in the rim or rim out of true | - True wheel or take to a bike shop | |
applying brakes |
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| for repair |
| - Brake mounting bolts loose | - | Tighten bolts | |
| - Brakes out of adjustment | - Center brakes and/or adjust brake | ||
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| block |
| - Fork loose in head tube | - | Tighten headset | |
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Wobbling wheel | - | Axle broken | - | Replace axle |
| - Wheel out of true | - | True wheel | |
| - | Hub comes loose | - | Adjust hub bearings |
| - | Headset binding | - | Adjust headset |
| - | Hub bearings collapsed | - | Replace bearings |
| - | QR mechanism loose | - | Adjust QR mechanism |
96
