Are you looking for a professional, yet affordable bike crankset? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our product must meet you needs. It is one of the best choices for you.Features- Color: Silver.- Material: Aluminum alloy.- Size: 21.00X4.00X3.00cm/8.25X1.57X1.18 inch.- The crank arm length is moderate, suitable for single speeds mountain bike.- Make of good quality aluminum alloy material, high strength and durability.- The bike crank arm is a great bike replacement for your old or worn part.- Easy to install and operate, wear-resistant and durable for long time use.- The distance between the two holes of this bike peddle crank arm is 170mm, so it is suitable for most types of bicycles, such as mountain bikes, folding bikes, fixed gear bikes and other types of bikes, etc.Packing list1 X Crank Arm