Bicycle crank arm BIKE CRANK BIKE CRANK BICYCLE CRANKS REPLACEMENT CRANK Bicycle crank arm The length of the crank arm is moderate, suitable for single speed mountain bikes. Made of good quality aluminum alloy, characterized by high strength and durability. The bicycle crank arm is a great replacement for your old or worn-out part. Easy to install and operate, wear-resistant and durable for long time use. The distance between the two crank holes of the bicycle pedal is 170 mm, making it suitable for most types of bicycles, such as mountain bikes, folding bikes, fixed transmission bikes and other types of bicycles, etc. PACKAGING LIST 1 x crank arm BIKE CRANK Looking for a professional and affordable crank mechanism for your bike? Are you looking for a reliable, trustworthy tool that can perform multiple tasks at once? If so, look no further! Our product must meet your needs. This is one of the best choices for you. BIKE CRANK Color: silver. Material: aluminum alloy. Dimensions: 21,00X4,00X3,00 cm/8,25X1,57X1,18 inches. The length of the crank arm is moderate, suitable for single speed mountain bikes. Made of good quality aluminum alloy, characterized by high strength and durability. The bicycle crank arm is a great replacement for your old or worn-out part. Easy to install and operate, wear-resistant and durable for long time use. The distance between the two crank holes of the bicycle pedal is 170 mm, making it suitable for most types of bicycles, such as mountain bikes, folding bikes, fixed transmission bikes and other types of bicycles, etc.