Mountain Bicycle Bottom Bracket Bike Square Hole Integrated Sealed Bearings Bottom Bracket 113mm

Feature: 1. Aluminum Alloy: The bottom bracket shell is made of aluminum alloy material, which is sturdy and durable and has a long service life. 2. Central Axes: High strength bearing 1.5 tons, anti fatigue and anti elongation, and the transmission efficiency is increased by 50percent . 3. Strong Compatibility: Suitable for the square hole crankset, and the surface of the square hole bearing is rust proof, which is more durable. 4. Fine Processing: CNC precise tooth pattern, after installation, it is integrated with frame, and it can rotate stably for a long time. 5. Included Gadgets: Hex dustproof and waterproof screws are included, which are not easy to rust, and are more secure and firm. Specification: Item Type: Sealed Bearings Bottom Bracket Color: As Pictures Shown Material: Aluminum Alloy Weight: Approx.340g 12.0oz Size: Approx. 113x68mm 4.5x2.7in Features: Sealed Bearings, Waterproof and Dustproof, Lubricated Compatibility: Square Hole Crankset. Package List: 1 x Bottom Bracket2 x Screw