adding scale realism to your Promoto-MX's rider

Direct-fit installation with basic tools

1 x 21T Mod1 Safe-D Pinion Gear

Replaces worn differential gears

ARRMA ARA320809 Composite Chassis 200mm Typhon Grom 2.2 Wheels adding scale realism to yourARRMA ARA320809 Composite Chassis 200mm Typhon Grom Description This genuine ARRMA 200mm composite chassis is designed as a direct replacement for select ARRMA Typhon Grom vehicles. Its tough composite construction provides long lasting durability during demanding RC action. Additional material is strategically positioned in high stress areas for increased strength. The chassis also features integrated lower gearbox housings and lower suspension