The bottom bracket is designed for a secure thread-in installation.
这款中轴专为稳固的旋入安装设计。
This bike uses a screw-in bottom bracket for better durability.
这辆自行车采用旋入式中轴以提升耐用性。
Mechanics prefer threaded bottom bracket systems for their reliability.
技师更青睐螺纹中轴系统的可靠性。
A proper thread-in ensures smooth crankset rotation.
正确的旋入能确保牙盘顺畅转动。
Always apply grease before installing the bottom bracket.
安装中轴前务必涂抹润滑脂。
The frame's threaded shell matches standard bottom brackets.
车架螺纹五通符合标准中轴规格。
This design prevents creaking noises from loose parts.
该设计防止因零件松动产生异响。
Use a torque wrench to tighten the bottom bracket correctly.
使用扭力扳手正确紧固中轴。
The thread-in system is compatible with most road bikes.
旋入系统适配大多数公路车型。
Proper installation extends the life of the drivetrain.
正确安装可延长传动系统寿命。
Upgrade your ride with our premium Thread-Fit Pro Bottom Bracket — engineered for precision and built to last. Designed specifically for threaded frame standards (BSC/ISO), this screw-in bottom bracket delivers unmatched stability and smooth power transfer. Made from high-grade aluminum alloy and sealed double-row bearings, it resists corrosion and handles long-distance rides with ease.
Available in 68mm and 73mm shell widths, the Thread-Fit Pro fits most road, gravel, and urban bikes. Its anti-creak threading design ensures quiet performance, while the factory-applied waterproof grease keeps contaminants out. Weighing just 120g, it’s lightweight without sacrificing strength. Compatible with Shimano Hollowtech II, SRAM GXP, and similar 24mm spindle cranks.
Installation is simple: clean the threads, apply additional grease, and use a bottom bracket tool with recommended 35-40 Nm torque. Loved by cyclists and mechanics alike, this best-selling component has earned top reviews for durability and value. Priced affordably at ¥199, it's the smart upgrade every rider needs.
Ride smoother, pedal longer, and trust every turn — experience the Thread-Fit Pro difference today!
用我们的高端Thread-Fit Pro中轴升级你的骑行体验——精密制造，经久耐用。专为螺纹五通标准（BSC/ISO）设计，这款旋入式中轴提供卓越稳定性与高效动力传递。采用高品级铝合金与双封密轴承打造，抗腐蚀性强，轻松应对长途骑行。
提供68mm与73mm五通宽度选择，适配绝大多数公路车、砾石车及城市自行车。防异响螺纹结构保障安静骑行，出厂预涂防水润滑脂有效阻挡污垢侵入。重量仅120克，轻盈却不失坚固。兼容Shimano Hollowtech II、SRAM GXP等主流24mm轴心牙盘系统。
安装便捷：清洁螺纹后涂抹润滑脂，使用中轴工具按建议35-40Nm扭矩锁紧即可。深受骑友和技师好评，这款畅销产品以出色的耐用性和性价比赢得广泛赞誉。仅售¥199，是每位骑行者都值得拥有的高性价比升级之选。
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