Enhance your bike’s performance with this durable and reliable bottom bracket, expertly designed to provide long-lasting service and optimal power transfer. Crafted with a robust steel shell, this bottom bracket effectively absorbs roundness tolerance during installation, ensuring a secure fit and protecting your bike frame. The integrated system design offers superior frame protection and increased power output, outperforming standard bottom bracket structures. Perfectly compatible with a 68mm frame shell, this bottom bracket is an essential upgrade for cycling enthusiasts seeking both strength and efficiency. Key Features: · Durable and Solid Construction: Built to withstand wear and provide a long service life for consistent cycling performance. · Steel Shell with Tolerance Absorption: Accommodates roundness tolerance during installation, enhancing fit precision and frame protection. · Integrated System Design: Protects the bike frame while delivering improved power output compared to ordinary bottom brackets. · Compatible with 68mm Frame Shell: Ideal fit for standard 68mm bicycle frame shells. · Safety Installation Recommended: Use a BB tool for secure installation and replacement to ensure safety and maintain performance. Specifications: · Suitable Frame Shell Size: 68mm · Weight: Approximately 316g (11.15oz) · Size Options: Approximately 68 x 118/120/122.5/124.5/127.5mm · Cups Thread Size and Pitch: 34.798mm, 1.37 x 24 TPI · Structure: Dual Bearing System Package Includes: · 1 x Square Hole Axis · 2 x Screws This bottom bracket combines durability, precision engineering, and advanced design to enhance your bike’s power transfer and frame protection. Upgrade your cycling setup with this high-quality component for a smoother and more efficient ride.