This aftermarket assembly replaces the stock spur interface on the TRAXXAS CRANIAC MONSTER TRUCK with a precision aluminium adapter and hardened steel spur and pinion (58T and 16T). Supplied as one complete set, the parts are aimed at improving gear engagement repeatability and extending service life versus softer original components.
The adapter is mounted between the motor pinion and the internal spur gear assembly to centralise the drive and minimise lateral play. Keeping the 58T spur and 16T pinion tooth counts preserves the original final drive ratio while offering better wear resistance for frequent tuning and high-hour running.
Installation notes: the part is a direct-fit accessory for the CRANIAC platform using the stock motor mount and spur housing. During installation perform a head-shim mesh check, confirm motor thrust and axle clearance, and apply light threadlock to metal fasteners where needed. Re-inspect mesh after the initial run-in period.
For drivers who frequently tweak drivetrains or use abrasive tracks, this aluminium adapter with hardened 58T/16T steel gears offers a longer-lasting replacement that keeps factory gear ratio and fitment for the TRAXXAS Craniac platform.
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