HPI Bullet Gunmetal Rear Hub Carrier Upgrade for BULLET 3.0 MT/ST - BUL-18009-GU by Jazrider  [BUL-18009-GU]

Compact hub carriers for the Bullet chassis

This RC-scale rear hub carrier is built for the HPI Bullet family and is listed under model BUL-18009-GU. The gunmetal alloy construction is intended as an upgrade or direct replacement for the rear carriers used on BULLET 3.0 MT and ST (Nitro Engines).

Functionally, the carrier secures the wheel hex and wheel assembly while transferring suspension forces into the rear upright and axle region. On-track effects include changes to rear suspension stiffness, reduced wheel runout variability, and improved robustness during aggressive off-road nitro driving. Use it as part of chassis tuning when refining toe, camber behavior, or rear-end compliance.

Fitment is straightforward: remove the original rear carriers from the hub/knuckle assembly, install the replacement using the existing mounting points and hardware, then check wheel hex alignment and bearing seating before final torquing. Confirm fit specifically for BULLET 3.0 MT and ST models prior to installation.

Service tips: recheck mating surfaces and fastener torque after initial runs and after heat cycles typical of nitro engines. Correct ball bearing fitment and firm hex retention will help maintain alignment and extend component life.