This bottom bracket ensures smooth pedaling with minimal friction.
这款中轴确保踩踏顺滑，摩擦极小。
The sealed cartridge bottom bracket resists water and dust effectively.
密封卡式中轴有效防尘防水。
Upgrading the bottom bracket improved the bike's overall performance.
升级中轴提升了整车性能。
Proper installation of the bottom bracket extends crankset life.
正确安装中轴可延长曲柄寿命。
This bottom bracket fits standard 68mm threaded frames.
该中轴适配标准68毫米螺纹车架。
Maintaining the bottom bracket prevents creaking noises during rides.
保养中轴可避免骑行异响。
Choose a high-quality bottom bracket for better power transfer.
选择高品质中轴提升动力传输效率。
The bottom bracket shell must be clean before installation.
安装前中轴碗必须清洁干净。
Aluminum alloy body makes the bottom bracket lightweight and durable.
铝合金材质使中轴轻便且耐用。
This model uses a square taper interface compatible with most cranks.
该型号采用方孔接口，兼容多数曲柄。
Introducing the premium Bicycle Bottom Bracket – your key to smoother, more efficient rides. Designed for both urban commuters and mountain trail explorers, this Sealed Cartridge Bottom Bracket delivers outstanding durability and performance. Crafted from high-strength aluminum alloy, it weighs just 280g, combining lightness with rugged reliability.
Available in standard 68mm and 73mm thread sizes, it fits most modern bicycle frames. The double-sealed bearing system keeps out water, dirt, and debris, ensuring long-term smooth operation even in wet conditions. With a square taper spindle design, it’s fully compatible with popular cranksets from Shimano, SRAM, and other major brands.
Priced affordably at ¥89, this bottom bracket offers exceptional value without compromising quality. Easy to install with common tools, it’s perfect for DIY upgrades or professional maintenance. Users report quieter rides, reduced pedal resistance, and improved energy transfer after switching to this model.
Whether you're restoring an old bike or optimizing a new build, this Bottom Bracket Assembly is a smart investment. Choose reliability, choose efficiency – upgrade your ride today!
隆重推出高性能自行车中轴——让您的骑行更顺畅、更高效！无论是城市通勤还是山地越野，这款密封卡式中轴都能带来卓越的耐用性与表现。采用高强度铝合金打造，整件仅重280克，轻盈的同时兼顾坚固可靠。
提供标准68毫米与73毫米螺纹规格，适配绝大多数现代自行车车架。双层密封轴承系统有效阻挡水分、灰尘和杂质侵入，即便在潮湿环境下也能持久顺滑运转。配备方孔轴心设计，完美兼容Shimano、SRAM等主流品牌曲柄组，安装无忧。
售价仅¥89，性价比出众，品质不打折。使用常规工具即可轻松安装，无论是自行升级还是专业维护都极为便捷。众多用户反馈，更换后踩踏更安静、阻力明显降低，动力传导效率显著提升。
无论您是在修复老车，还是优化新车配置，这款中轴组件都是明智之选。选它，就是选择安心与高效——立即升级您的爱车体验吧！
