The cr12 trail series scale 4x4 truck may be small in size, but is packed full of features. This rig comes ready-to-run with reedy power electronics and meets s. O. R. R. C. A. Class 1 and 2 rules right out of the box. No need to prep or build your rig; just charge it and youre ready to hit the trails! Designed not only for scale looks with realistic wheels, tires and body, the cr12 is built for performance as well. The steel ladder frame chassis provides the perfect backbone for this rugged little rig. The 4-link suspension, threaded shocks, and soft rubber tires give the grip and performance needed to climb over the roughest terrain. Transferring power to the rocks is a compact 3-gear transmission, plastic low-friction slider-type drive shafts, front steel cva axles, and metal shield ball bearings. Features off road style front bumper metal front cva and rear solid axle shafts with 12mm hex adapters metal 4-link front and rear suspension fully adjustable threaded fluid filled shocks chassis mounted steering (cms) servo 13. 98:1 ratio 3-gear transmission with integrated motor mount plastic low-friction slider-type drive shafts 16-piece metal shield ball bearing set 2. 4ghz xp transmitter and receiver water resistant reedy power speed control with high-current t-plug connector reedy brushed 380 motor 850mah li-ion 7. 4v 2-cell battery and charger black anodized aluminum battery/radio tray with hook and loop hold down strap black scale 1. 9 wheels with soft compound off road tires cr12 electronics 4ghz xp transmitter and receiver water resistant reedy power speed control with high-current t-plug connector 850mah li-ion 7. 4v 2-cell battery and charger reedy brushed 380 motor chassis mounted steering (cms) servo other helpful items: silicone shock fluid (refer to catalog for complete listings) body scissors (ae part # 1737) ft wrench set (ae part #1519) required to complete 4x aa batteries for transmitter get ready to hit the trails with the cr12 scale 4x4 truck! Power source: electric terrain: off-road body style: truck scale size: 1:12 scale assembly level: ready-to-run (this vehicle is fully assembled and ready to run right out of the box. Some models may require a battery and/or charger. ) length: 372mm (14. 65in) width: 178mm (7. 01in) wheelbase: 225mm (8. 86in) weight: 1110g (2. 45lbs) internal gear ratio: 13. 98:1 drive: 4wd (ass40014c)