Aeloa Quare Hole Axis Bicycle Bottom Bracket Quare Hole Axis Bike Parts for Square Tapered Spindle Crank-68X116-

Features: 1. The bottom bracket is solid and durable with a long service time.1. The bottom bracket is sturdy and durable, with a long service life and guaranteed quality. 2. The steel shell can absorb the roundness tolerance of the bottom port of the mounting bracket. 3. The integrated system can protect the frame and output more power, which is better than the bottom bracket of ordinary structure. 4. Suitable for 68mm frame shell, please purchase according to your actual needs. 5. For safety, please use the BB tool to install and replace the bottom bracket. Specification : Material: Steel Suitable: for 68mm Frame Shell Size: about 68 * 103/107/110.5/113/116mm Cups thread size and pitch: 34.798mm 1.37*24TPI Structure: 2 Bearings Package List : 1 * Quare Hole Axis 2 * Screws