This is the Electric Powered, Radio Controlled, 1/10 scale Ready to Run Mini JCW Coupe On-Road Vehicle from Tamiya. From Tamiya's XB Pro Expert Built Series. Chassis: M-05 M resin monocoque design Drive: Front wheel Suspension: Four wheel independent double wishbone Gearbox: Fully enclosed Motor: 540 brushed Radio: 2-channel Finespec FM ESC: TEU-104BK with reverse Transmission: Single speed, ball bearing equipped Differential: Three bevel gear Body: Painted polycarbonate Shocks: Plastic body friction type Tires: Treaded 60D radial 0.98" (25mm) wide, 2.3" (59mm) diameter with foam inserts Wheels: 0.94" (24mm) wide, 1.5" (38mm) diameter Camber: Non-adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Caster: Adjustable, caster/toe-in refers to the angle of the front suspension when viewed from the side of the car in relation to the chassis Steering: Three piece tie-rod linkage RTR Mini JCW Coupe On-Road Vehicle with Motor, Radio, ESC, Body Decals and Instruction Manual Battery: 7.2V 6-cell stick pack with Standard connector Battery Charger: To match selected battery AA Batteries: Eight for transmitter Track and maintenance equipment Vehicle; Length: 14.4" (365mm) Width: 6.7" (170mm) Height: 5.6" (142mm) Wheelbase: 9.4" (239mm) Tread: 5.4" (138mm) center of wheels, side-to-side Body; Length: 14.7" (373mm) Width: 6.3" (160mm) Height: 4.7" (120mm) For Replacement or to Upgrade To Ball Bearings use: Qty. Size Location Qty. Bearing Set 4 5x11mm Differential 2 DTXC1547 4 5x11mm Fr Hubs 2 DTXC1547 4 5x11mm Rear Hubs 2 DTXC1547 2 5x8mm Steering 1 DTXC1523 2 5x8mm Differential 1 DTXC1523 jxs 05/03/12 ir/jxs &