The T-Maxx 2.5 comes fully equipped with an enclosed 2-speed forward/reverse transmission with speed-sensitive reverse lockout, TQ-3 3-channel radio system and tough TRX 2.5 racing engine with an EZ-Start onboard starter system for one-button starting. It also features a fully independent suspension with over 3.5 inches of travel, ball bearings throughout and adjustable body mounts, making it easy to adapt other bodies to fit. Length: 19.13 in Width: 16.25 in Wheelbase: 12 in Chassis: 3mm aluminum w/composite rails Suspension: Fully independent w/8 shocks Drive Train: Shaft drive, 2-speed w/ reverse and slipper clutch Motor or Engine: TRX 2.5 Radio: Traxxas TQ 3-channel