This bottom bracket fits all standard square taper cranks.
这款中轴适配所有标准方孔牙盘。
The square taper design ensures a secure crank attachment.
方孔锥形设计确保牙盘连接稳固。
I replaced my old bottom bracket with a new square type.
我将旧中轴换成了新的方孔款。
Installation is simple using common bicycle tools.
使用常规工具即可轻松安装。
This model offers smooth pedal rotation and low noise.
该型号踩踏顺滑且运行安静。
Durable steel construction withstands daily commuting stress.
坚固钢制结构耐受日常骑行磨损。
Compatible with most 68mm threaded frames.
兼容大多数68mm螺纹中轴碗车架。
A reliable choice for vintage bike restorations.
复古自行车修复的理想选择。
Sealed cartridge design resists water and dirt.
密封轴承设计防尘防水性能好。
Priced affordably without sacrificing performance.
价格实惠且不牺牲使用性能。
Upgrade your ride with the classic yet reliable Square Taper Bottom Bracket – the backbone of countless bicycles worldwide. Engineered for durability and compatibility, this standard 68mm shell model fits most threaded frames and pairs perfectly with traditional square taper cranks commonly found on city bikes, mountain bikes, and vintage models.
Made from high-grade chromoly steel and sealed bearing cartridges, it delivers smooth pedaling efficiency while resisting corrosion, dust, and moisture. Whether you're restoring an old favorite or maintaining your daily commuter, this bottom bracket ensures stable power transfer and long-term reliability.
Available in multiple spindle lengths (107mm, 110mm, 113mm) to match your crankset requirements, it’s easy to install with common tools—no special skills needed! With its robust build, quiet operation, and wide compatibility, it's no wonder cyclists and mechanics alike trust this model.
Priced competitively and backed by excellent user reviews, this Square Taper Bottom Bracket isn’t just functional—it’s smart value. Don’t let a worn-out axle slow you down. Replace it today and feel the difference in every pedal stroke!
升级骑行体验，就选这款经典可靠的方孔中轴——全球无数自行车的核心组件！专为耐用性和兼容性打造，标准68mm壳体设计，适配大多数带螺纹的车架，完美匹配城市车、山地车和复古车型上常见的方孔牙盘系统。
采用高强度铬钼钢材质搭配密封轴承结构，踩踏更顺滑，同时有效防锈、防尘、防水。无论是修复老爱车，还是保养日常代步车，它都能带来稳定动力传输和持久可靠表现。
提供多种轴长选择（107mm、110mm、113mm），精准匹配不同牙盘需求，使用普通工具即可轻松安装，无需专业技能！凭借坚固结构、静音运行和广泛适配性，深受骑行爱好者和修车师傅信赖。
价格亲民，口碑出色，这款方孔中轴不只是功能件，更是高性价比之选！别让老旧中轴拖慢你的节奏，现在更换，每一下踩踏都能感受到焕然一新的顺畅与力量！
