High Quality Materials: This crankset is made of high-quality materials, which is sturdy and durable. High strength, high hardness, not easy to deform. Comply with strict quality control standards, reliable in use
Fine Workmanship: Sample design, fine workmanship, used for the installation of bicycle mid-drive motors. Product Size: about 21*3.8cm/6.3*5.9inch; weight: about. 450g
Hole Size: our crank arms have a square hole size of 13.1 * 13.1mm and a round hole size of 12.8mm
Easy to Install: Our bike cranksets are light in weight, small in size, and easy to install and use. Well‑made, has good performance, with higher work efficiency
Applicable: Our crank arm set is suitable for BMX Bike, BMX Bike-Old School, Cruiser, Cyclocross Bike, Electric Bike, Folding Bike, Hybrid/Comfort Bike, Mountain Bike