Very powerful 27.5CC 4 Bolt 2 stroke (gas and oil mix) RovanSport engine with Walbro Carburetor NGK spark plug
High torque 22KG metal gear steering servo
Heavy duty steel driveshafts
Alloy gear differential case with hardened steel gears.(very important, does not leak oil as the original plastic ones did)
No need to worry about having the same signal as someone else. Built in fail-safe just in case you go out of range.