This road bike's bottom bracket ensures smooth pedaling with minimal friction.
这款公路车中轴确保踩踏顺滑无阻力。
The BB unit is compatible with Shimano 105 cranksets.
该中轴适配Shimano 105曲柄组。
Upgrading the bottom bracket improved power transfer efficiency.
升级中轴提升了动力传导效率。
Proper installation of the BB cartridge prevents creaking noises.
正确安装中轴可避免异响。
The sealed bottom bracket resists water and dust effectively.
密封中轴有效防尘防水。
Maintenance-free BB units save time for regular riders.
免维护中轴为日常骑行节省时间。
Carbon frame bikes require precise bottom bracket alignment.
碳架公路车需精准中轴对齐。
This crankset bearing assembly supports high-RPM cadence training.
此轴承结构支持高踏频训练。
Choose the right spindle length for optimal chainline.
选择合适轴长以优化链条线。
Premium bottom brackets enhance overall ride quality.
高品质中轴提升整体骑行体验。
Introducing the Ultimate Performance Road Bike Bottom Bracket – precision-engineered for speed, durability, and flawless power transfer. Designed specifically for competitive cyclists and serious enthusiasts, this BB unit delivers silky-smooth rotation with double-sealed bearings that block out moisture, dirt, and debris.
Available in multiple spindle lengths (110mm to 122mm) and compatible with 24mm and 30mm crank spindles, it fits a wide range of groupsets including Shimano, SRAM, and Campagnolo. The CNC-machined aluminum shell ensures lightweight strength, while the integrated grease channel allows easy maintenance when needed.
Weighing just 128 grams, this bottom bracket combines ultra-low friction with long-term reliability. Whether you're climbing steep alpine passes or sprinting on flat tarmac, every watt counts – and this component maximizes energy transfer from pedal to wheel.
Offered in black, silver, and stealth matte finishes, it’s not only functional but stylish too. Priced at ¥399, it’s an affordable upgrade that brings professional-level performance to your ride. Trusted by thousands of riders across China, this bottom bracket has earned rave reviews for its quiet operation and extended service life.
Installation is tool-friendly with standard 16-notch cups and comes with detailed instructions. Upgrade your drivetrain today and feel the difference in responsiveness, efficiency, and ride joy!
隆重推出高性能公路自行车中轴——专为速度、耐久性与高效动力传导而生！采用精密加工工艺打造，特别适合竞技骑手与资深爱好者。双层密封轴承设计，带来丝滑旋转体验，同时有效阻隔水分、灰尘与杂质侵入。
提供多种轴长（110mm至122mm），兼容24mm与30mm曲柄轴径，广泛适配Shimano、SRAM、Campagnolo等主流套件系统。CNC精密切削铝合金外壳，轻量化同时具备高强度；内置润滑通道设计，便于后期保养补油。
整重仅128克，实现超低摩擦与长久耐用的完美结合。无论是挑战高山爬坡还是平路冲刺，每一瓦动力都不浪费——这款中轴让你从脚踏到车轮的能量传递达到极致。
外观提供黑色、银色与哑光隐影三种选择，兼具性能与颜值。售价仅¥399，性价比超高，是提升整车性能的明智之选。已获得全国数千名骑行者的实测好评，以其静音表现和超长寿命赢得口碑。
标配16齿压入工具槽口，安装便捷，并附赠详细说明书。立即升级你的传动系统，亲身感受响应更迅捷、效率更高、骑行更愉悦的全新体验吧！
