Acceleratore Pollice Bici Elettrica 21X/130X/108X/20X/76X Acceleratore Sinistro/Destro
1 76X Half Twist Throttle. Installation : FT-21X/108XR/20X Half/20X Whole for Right Hand；130X for Left and Right Hand；76X/108XL for Left Hand. 20X/76X Half Twist Throttle；20X Whole Twist Throttle. 1 20X Half Twist Throttle.