Yokomo B9-BW40A Center Balance Weight (40g)  [B9-BW40A]

Center balance weight for BD9

This Yokomo B9-BW40A is a 40g center balance weight designed as an RC-scale accessory for BD9-series setups. Fitted at the chassis centre, the weight lets drivers fine-tune the car's mass distribution to influence roll and pitch response without shifting the overall balance drastically.

The part is intended for use on compatible BD9-type chassis, offering a simple way to add central ballast during setup changes on electric touring cars. Installation is performed at the chassis centre to keep adjustments focused on centralized mass rather than corner-specific ballast.

Compatible Models

• MRTC-BD919
• MRTC-BD919S

Use the B9-BW40A to dial in central ballast when testing handling changes, keeping mass centralized for predictable chassis behaviour during track setup and practice sessions.