HPI Racing 87132 Roto Start 2 System Nitro Star 12/15/18 FEATURES: Replaces pull starter with a durable metal gear backplate Upgraded version of the original Rot start with an improved case with shaft storage INCLUDES: HPI Roto Start 2 Electric Shaft Drive Start with shaft, metal gear backplate with mounting hardware, 2mm hex wrench, Z164 heavy duty grease REQUIRES: 7.2V rechargeable stick battery pack and charger (DTXP4190)