Promoto-MX Rear Swing Arm with Chain Slack Adjustment Inserts. This is a replacement molded swing arm for the Losi Promoto-MX. Package includes one swing arm and chain adjustment inserts.
Promoto-MX Rear Swing Arm with Chain Slack Adjustment Inserts. This is a replacement molded swing arm for the Losi Promoto-MX. Package includes one swing arm and chain adjustment inserts.
