Replacement Bicycle Crank Arm For Road And Mountain Bikes Made Of Ejoyous Product Features ?Durable Material?: Constructed with premium aluminum alloy, the bike crank arm is durable and strong, has fine polishing, smooth edges, ensures high strength for long lasting usage ?170mm Bicycle Left Crank Arm?: The center distance between two holes is 170mm, spindle interface type, horizontal square taper, without any overlap of crank arm and chain ring bolt ?Ideal Bike Crankset Accessory?: Left hand pedal crank arm is suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc; A nice replacement for bike repair, compatible with many bike models ?Easy to Install and Use?: The bike left hand crank arm with standard precision cutting of hole, which is easy to install and perfect fit to your bike; Lightweight and small size, easy to use ?Note?: Black and silver available; Please check if the orientation of your right crank arm is square or diamond. Keep both left and right arms have the same hole Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!