About this item High Quality Material – High quality metal alloys are used to ensure strong and durable cranks. Simple Installation – Easy to follow directions booklet and very easy to assemble, you could install it even with very little experience. Narrow Design - a slim design that won't get in the way of your foot while you are riding. Included Components– a wrench tool for assembly, a bolt removing tool, two cranks, two washers, and two bolt covers. Customer Support -YESOUL is committed to providing customers with professional and efficient service and high quality products. If you have any quality issue, please feel free to contact us. › See more product details