and wheel-spinning

Input (V): 6

Spring Length: 66mm

Offset from stock wheel hex: +6mm/side

but it's more powerful and more efficient to handle bigger motors and higher capacity battery packs for increased speeds and fun

Hitec RCD - HPP-21 PC Programmer, for Hitec Digital Servos Electric Accessories and wheel-spinningThe HPP 21 Digital Programmer and servo tester allows you to access all the programable features right from your PC. Features: PC Programmer for Hitec Digital Servos PC Based Digital Servo Programmer and Tester Programs all Hitec Digital Servo Parameters Tests all Brands of Servos Free Downloadable Software USB PC Connection