For use in Australia only, The GRX Derailock will not be sold and can not be used internationally. See Terms of Service.
Derailleur cage lock for Shimano GRX.
Note: Derailock must be removed to adjust clutch tension.
Install the Derailock with the derailleur and chain installed on a bike.
- Follow manufacturers instructions to set the clutch tension.
- Remove clutch cover. (Keep this in a safe place, you may need it one day)
- Remove the phillips head stopper pin. (Keep this in a safe place, you may need it one day)
a. Yes, it is nice to have this pin but the derailock is better and unfortunately we can't have both.
- Install the Derailock.
- Do sends.
Be sure to disengage the clutch when using the derailock and remember to re-engage it when finished.