TAMIYA BB-01 (BBX) Aluminum Front Lower Arm Mount - JR-TBB03-LB by Jazrider  [JR-TBB03-LB]

Front lower arm aluminum replacement for BB-01

This anodized blue aluminum front lower suspension arm mount is engineered for the TAMIYA BB-01 (BBX) chassis and sold as JR-TBB03-LB by Jazrider. It provides a metal replacement for the factory plastic lower-arm mount while preserving the stock geometry and mounting points for straightforward installation on BB-01 style frames.

The unit is designed as a direct-fit component that uses the original attachment locations on the BB-01 (BBX) chassis. Installation requires transferring the existing hardware and checking alignment and fastener condition before final torque. The anodized surface is intended to reduce wear at the pivot and keep the lower arm seating stable during typical RC operation.

In tuning terms, replacing the plastic piece with aluminum produces a firmer pivot that diminishes flex at the lower-arm joint, aiding repeatable setup adjustments and delivering more consistent handling at the track or when practising. This hop-up is commonly used to stabilise suspension geometry for improved predictability.