Skip to content
Home » Contact

Contact

contact

Troubleshooting

Your Ratio upgrade should shift as well as – if not better than – your stock drivetrain. If it doesn’t, we can help you work out the cause. If you’re getting in touch for troubleshooting advice, please provide your:

  • Order number
  • Shifter model
  • Derailleur model
  • Cassette model
  • Chain model
  • Chainring model