A #10 wrench A #8 allen wrench A new gearbox
STEP 1: Use the #8 wrench to remove the 4 screws securing the gearbox
Use the #10 wrench and #8 allen wrench to remove the screw securing the gearbox
STEP 2: Replace the gearbox
Securing the screws.
STEP 3: Taking down the chain from the chain disc.
Install the chain on the front gear first, then spin the wheel to set up chain on chain disc.
Applicable to products: