The stock motor class has ignited excitement in 1/10 electric buggy racing around the world. The Ultima RB7 SS has been specially tuned for 17.5T motors. The change to velvet coated aluminum diff shafts, universals, and direct drive top shaft deliver efficient transfer of motor power to the track. In addition, the overall weight of the machine has been reduced, including a lightweight body. With a revised rear end set up and the new lightweight drive line components, this SS (Stock Spec) machine is designed to take the action of stock motor class racing up to the next level. Required for Operation: 2ch, 1 servo, 1 ESC RC system Motor Battery and charger for chassis Wheels,Tires, and inserts Pinion gear Paint for body Batteries for transmitter Tools Technical Data: Length 395mm Width 249mm Height 148mm Wheelbase 277mm Track width F: 221mm/ R: 201mm Transmission ratio 2.6:1 Requries assembly. Shown assembled (with parts not included) and painted for display purposes only.