Features: and Road mountain bike left crank diamond hole bicycle repair parts. Made of high-quality steel, light weight, high strength, strong resistance to deformation, durable and practical. Polished well, the lacquer is beautiful, does not fade, and is fashionable. Standard precision openings ensure a perfect fit to the bicycle and easy installation. The length of the crank arm is 170 or 165 or 152mm, and there is no overlap between the crank arm and the chain ring bolt. A good replacement for bicycle repairs, compatible with many bicycle models. Package Includes: 1x Left Crank Arm Specifications: Material: Steel Weight: 400g or 450g or 480g Size: 152mm or 165mm or 170mm Color: Balck note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.