Upgrade Rear Lower Suspension Arm for Tamiya DT-03 JR-DT301-LB by Jazrider  [JR-DT301-LB]

Precision aluminium rear lower arm for DT-03

The aluminium rear lower suspension arm suits the Tamiya DT-03 chassis and is identified by model JR-DT301-LB. As a replacement-style hop-up, it aims to reduce flex and help make tuning outcomes more consistent.

Material selection and interface design drive the part's benefits: aluminium resists deformation under load compared to standard plastic arms, and the arm interfaces with existing DT-03 mounting hardware. This makes it a good option for drivers chasing repeatability while refining suspension setup.

Fitment notes: remove the factory arm, retain original hardware if serviceable, and fit the JR-DT301-LB. After installation, inspect pivot movement, secure retainers, and confirm suspension travel and wheel alignment before running the model hard.

Fit this part when you want tighter control over rear camber and suspension response for tuning or spirited driving, and always verify alignment after fitment.