Feature: 1. Premium Aluminum Alloy Material: All aluminum alloy material, strong and impact resistant, the surface is anodized, which effectively protects the aluminum alloy body. 2. CNC Precise Milling Crankset: Crankset adopts CNC precise milling, high strength operation such as rushing mountain, off road, etc., the force is evenly distributed, and the riding is smooth. 3. Positive and Negative Tooth Design: The narrow and wide teeth tips alternate to more fully engage the chain, which can effectively prevent the chain from falling off during intense riding. 4. Direct Mounted Structure: For GXP direct mounted structure can effectively improve the strength and reduce the weight. The 10 tooth slot is embedded, and the 3 T25 special deer screws are locked, not easy to fall off. 5. With High Bearings: Coming with high bearings that has high accuracy. strong durability and water resistance, the crankset can ensure safer riding. Specification: Product name: Bicycle Direct Mounting Crankset Product Material: Aluminum Alloy Product Color: Black Weight: Approx. 959g / 33.8oz Product model: A Set of 36T Black Crankset (with Bottom Bracket) Compatible: 9/10/11/12 Speed Number of Teeth: 36T Disc Diameter: Approx. 151mm. Package List: 1 x Integrated Crankset1 x Crank Crankset Leg1 x Threaded Bottom Axis1 x Crank Cap3 x Screw1 x Disc