Please gently pull the start string and add some WAX on the string for lasting use, otherwise it will be easily broken
Across center fixing hole (center to center): 27mm, please check the size before purchase
For 12mm across flat one way bearing with 6mm shaft diameter;Please notice that the pull start is not suit for all 16-21 nitro engines, pay attention to the actual size of your car
Buy with confidence: Free replacement for cord broken within 30 days. If you are facing any problem, please feel free to contact us