Feature:1. Aluminum Alloy Material: Bicycle crank arm set is made of aluminum alloy material, which is lightweight, corrosion resistant, wear resistant, sturdy, and durable2. Fine Processed Tooth Pattern: 144 BCD 48T single speed crankset adopts multi stripe fixing method to make the crank force more direct.3. Lightweight Design: The interior adopts a weight reduction design, making the weight of the crank more lightweight4. Good Workmanship: Bike crank arm set, with exquisite workmanship and beautiful appearance, providing you great using experience.5. Easy to Install and Disassemble: Our bike crank arm set is easy installation, a good replacement for bike repair.Specification:Item Type: Bike Crank Arm SetMaterial: Aluminum AlloyWeight: Approx. 705g / 24.9oz.Package List:2 x Bike Crank Arm Set