Problem Possible Cause Remedy
Grinding noise when pedaling
- Pedal bearings too tight
- Bottom bracket bearings too tight
- Chain fouling derailleurs
- Derailleur jockey wheels dirt/binding
- Adjust bearings
- Adjust bearings
- Adjust chain line
- Clean and lubricate jockey wheels
Freewheel does not rotate
- Freewheel internal pawl pins are jammed
- Lubricate. If problem persists, replace
freewheel
Brakes not working effectively
- Brake blocks worn down
- Brake blocks/rim greasy, wet or dirty
- Brake cables are binding/stretched/
damaged
- Brakes levers are binding
- Brakes out of adjustment
- Replace brake blocks
- Clean blocks and rim
- Clean/adjust/replace cables
- Adjust brake levers
- Center brakes
When applying the brakes
they squeal/squeak
- Brake blocks worn down
- Brake block toe-in incorrect
- Brake blocks/rim dirty or wet
- Brake arms loose
- Replace blocks
- Correct block toe-in
- Clean blocks and rim
- Tighten mounting bolts
Knocking or shuddering when
Applying brakes
- Bulge in the rim or rim out of true
- Brake mounting bolts loose
- Brakes out of adjustment
- Fork loose in head tube
- True wheel or take to a bike shop
for repair
- Tighten bolts
- Center brakes and/or adjust brake block
Toe-in
- Tighten headset
Page 33
Summary of Contents for RS I
Page 1: ...RS I RS II User s Manual...
Page 8: ...Page 4 Parts Diagram of Folding E Bicycle...
Page 9: ...Page 5 Wiring Diagram...