This bike uses a hollow integrated bottom bracket for better power transfer.
这款自行车采用中空一体中轴，提升踩踏效率。
The hollow spindle reduces weight without sacrificing strength.
中空轴心减轻重量却不影响强度。
Installation is simple thanks to the integrated design.
集成设计让安装更简便。
Riders notice smoother pedaling with this bottom bracket system.
骑行者感受到踩踏更加顺滑流畅。
It's compatible with most 24mm cranksets on the market.
兼容市面上大多数24毫米曲柄系统。
Precision bearings ensure long-lasting performance.
精密轴承确保持久稳定性能。
The sealed unit protects against dust and moisture.
密封结构有效防尘防水。
Weighing only 180g, it’s ideal for lightweight builds.
仅重180克，适合轻量化整车搭建。
Perfect upgrade for road and gravel bike enthusiasts.
公路车和砾石车爱好者的理想升级部件。
Made from forged aluminum for maximum durability.
采用锻造铝合金制造，坚固耐用。
Upgrade your ride with the Hollow Integrated Bottom Bracket – the smart choice for cyclists who demand efficiency, reliability, and performance. Engineered for modern drivetrains, this high-precision component features a one-piece hollow spindle made from forged aluminum, delivering exceptional stiffness while keeping weight down to just 180g.
Its fully sealed cartridge design ensures smooth rotation and protects internal bearings from dirt, water, and wear—perfect for all-weather riding. Compatible with most 24mm crank systems, including Shimano and SRAM, it’s an effortless upgrade that enhances power transfer and pedal responsiveness.
Available in black and silver finishes, this integrated bottom bracket blends seamlessly into any frame. Whether you're building a race-ready road bike or upgrading your weekend gravel machine, its tool-free installation makes setup quick and easy.
Backed by thousands of positive reviews from riders worldwide, this component has proven itself on long-distance tours, urban commutes, and off-road adventures. Priced competitively under $45, it offers premium quality without the high-end cost.
Don’t settle for outdated or heavy bottom brackets—experience the difference precision engineering makes. Choose durability. Choose performance. Choose the future of cycling tech today.
用中空一体中轴升级你的骑行体验——追求高效、可靠与性能的骑行者的明智之选。专为现代传动系统打造，这款高精度配件采用锻造铝合金一体中空轴心设计，在确保极高刚性的同时，重量仅180克，显著减轻转动负担。
全封闭式卡匣结构带来顺滑运转，有效抵御灰尘、水汽与日常磨损，全天候骑行无压力。兼容市面上主流24毫米曲柄系统（如Shimano、SRAM），轻松替换，即刻提升踩踏效率与动力传递响应速度。
提供黑银双色可选，外观简约低调，完美融入各类车架。无论是组装竞技级公路车，还是升级你的周末越野砾石车，工具即可完成安装，省时省力。
全球数万骑行者真实好评验证，已在长途骑行、城市通勤与山野探险中经受考验。单价不足45美元，却提供媲美高端品牌的品质表现，性价比出众。
别再忍受笨重低效的传统中轴，感受精密工程带来的骑行变革。选耐用，选高效，选未来骑行科技，就在此刻！
