TAMIYA BBX BB-01 Transmission Housing 7075-T6 Aluminium BBX038 by GPM  [BBX038]

Precision aluminium housing for BBX BB-01

This component is an aftermarket transmission housing designed specifically for the TAMIYA 1/10 BBX BB-01 chassis, listed as model BBX038. Machined from 7075-T6 aluminium, the unit reduces internal gearbox clearance to help maintain accurate spur and pinion alignment under load.

By tightening the gearbox envelope, the housing helps stabilise drivetrain behaviour and sharpen steering feedback on technical runs. It is supplied as a hobby upgrade and is not suitable for any non-RC vehicle use.

Installation is straightforward for those familiar with BB-01 servicing: remove the stock cover, transfer bearings and any required internals, seat the aluminium housing in place, and fasten with the original screws. Recheck gear mesh and endplay before completing the rebuild.

Owners aiming for firmer gear engagement and less transmission play will find this 7075-T6 aluminium housing a durable upgrade that helps keep gearing aligned during demanding RC sessions.