Authenticity & counterfeits
Spare parts
Seat post
Cockpit
- Can I replace the bolts on my GCS stem with off-the-shelf bolts?
- What clearance should I leave above my GCS stem?
- What torque should be applied to the bolts on my GCS stem?
- Are your stems compatible with tapered steerer tubes?
- How do I choose the right handlebar width?
- What stem lengths do you offer?
Pedals
- What is the pedal weight difference between small & large pedals?
- Are PEMBREE pedals compatible with my bike?
- Are the pins replaceable?
- What are the pedal platform dimensions?
- What is the spindle material?
- How do I choose the right pedal size?