🔥【What You Get】: gear*4; 3×6×2.5mm bearing*6; M3×16mm pin*2
❤【High precision】:The gear set is with precision manufactured gear teeth for smooth, consistent performance,they works with low noise.
❤【Long-lasting Performance】:Easy to install, all metal internal gears for high strength. Made of from harden #45 steel for greater strength and stable driving performance, long time life span. Easy to install and remove
❤【HopsupRC Guarantee】:If you are not 100% completely satisfied with our products, please feel free to contact us to request a refund or exchange! our team is willing to help you to solve the problems that you have met,Your Satisfaction is Our Top Priority.