Description
Upgrade spur gear set for your TT-01. This set comes with 2 spur gears (55T, 58T) to increase the top speed of your vehicle.
These are a direct fit. They will require re-keying your motor to correct the spur/pinion gear mesh.
These are a direct fit. They will require re-keying your motor to correct the spur/pinion gear mesh.
Compatibility:
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