Yokomo Y2-302ALB Aluminum rear bulk head (L) for SD2.0 橫崛  [Y2-302ALB]

This is actually the staying spend the this specific aluminum straight back bulkhead for SD2.0.
By changing the mounting location connected with countertop gear and engine, you need to use either a 3-gear specification for steering characteristics or a 4-gear specification for emphasizing back traction.

Supported Chassis
SDR-020 / SDR-020P / SDR-020R