Feature:1. Aluminum Alloy: Bike crankset is made of high strength aluminum alloy, wear resistant and durable, surface anodized, anti corrosion. Weight reduction is designed internally to make the crank lighter in weight.2. Ergonomic Structure: The use of positive and negative gear integrated technology, effectively prevent chain drop. The multi stripe fixing method makes the crank force more direct.3. High Performance: Crankset has CNC precision milling, high strength accuracy, can withstand the rush mountain riding, off road riding and other high intensity operations, equal force.4. Smooth Riding: Premium bicycle crank set with accurate technology and design, can provide a smooth and smooth feeling, improve the comfort and efficiency of riding.5. Easy Installation: The bicycle crankset has a simple installation method and can be installed by common tools, which is convenient for bicycle enthusiasts to operate by themselves.Specification:Item Type: 34T Bike CranksetMaterial: Aluminum alloy.Package List:2 x Crankset Assembly1 x Center Axis 2 x Central Shaft Fittings