Bnineteenteam Bnineteenteam 1 Pair Crank Arm170mm Bicycle Crank Arm for Electric BicycleFolding Bicycle HybridMountain bicycleRoad

HIGH QUALITY MATERIAL The crank arms are made of high quality materials this product is sturdy and durableHigh strength high hardness not easy to deform PERFECT DESIGNThe crank arms adopt sample design fine workmanship used for bike mid drive motor installationTotal length and width is approximately 21 38cm 63 59inchWeight is approximately 450g NoteThe product is a special crank for Tongsheng midmounted motor EASY TO INSTALLThe crank arm is lightweight and small size easy to install and use FINE WORKMANSHIPSample design fine workmanship used for bike mid drive motor installation