The JAZRIDER JR-THS13-GU aluminium rear gearbox is a pragmatic replacement housing for Tamiya Hotshot, Super Hotshot, Boomerang and Bigwig models. It focuses on delivering a robust, low maintenance upgrade that integrates with common Tamiya mounting points.
Constructed from aluminium, this gearbox housing resists common failure modes encountered with plastic units, such as cracking and flex. It is suited to hobbyists seeking a long lasting, serviceable solution for routine driving and light bashing.
The housing is designed to accept standard gears and bearings used in the original assemblies. During installation, ensure correct gear mesh and that fasteners are torqued evenly. Check periodic wear points and lubricate gears as part of normal upkeep.
Retain original hardware where compatible, inspect bearings before reuse and use mild cleaning agents to preserve the finish. This approach keeps maintenance straightforward while extending part life.