This road bike uses an Italian bottom bracket standard for precise fit.
这款公路车采用意规中轴标准，确保精准匹配。
The mechanic recommends checking thread compatibility before installation.
技师建议安装前检查螺纹是否兼容。
Only specific cranksets work with the Italian threaded BB system.
只有特定牙盘组适配意规螺纹中轴系统。
Upgrading to an Italian standard improves drivetrain efficiency.
升级为意规标准可提升传动系统效率。
Certified components ensure long-term reliability of the BB shell.
认证配件保障中轴五通长期可靠使用。
Proper torque on cups prevents damage to the aluminum frame.
正确锁紧力矩可防止损伤铝合金车架。
This high-end frame is designed exclusively for Italian BB standards.
这款高端车架专为意规中轴设计。
Use grease on threads to avoid seizing in humid conditions.
潮湿环境下需在螺纹涂抹润滑脂防咬死。
Precise 70mm shell width ensures optimal bearing alignment.
精确70毫米五通宽度确保轴承对位精准。
Choose carbon-compatible tools when servicing the BB unit.
维护中轴时应选用兼容碳纤维的专用工具。
Discover the ultimate in cycling precision with our premium Italian Bottom Bracket Standard components – engineered for performance, built for endurance. Designed specifically for high-end road and track bikes, this 70mm-wide threaded shell (68×24TPI threading) delivers unmatched stability and power transfer efficiency. Crafted from aerospace-grade CNC-machined aluminum with stainless steel bearings, it ensures smooth rotation and long-term durability even under extreme riding conditions.
Compatible exclusively with Italian-threaded frames, this BB standard offers superior sealing against water, dust, and mud, making it ideal for all-season use. The 100mm spindle length provides perfect chainline alignment for competitive setups. Available in black, silver, and titanium finishes to match your dream build. Weighing only 280g, it balances lightweight design with robust structural integrity.
Installation is straightforward with the right tools – simply apply anti-seize compound on threads and tighten to manufacturer-recommended torque (35–40 Nm). Trusted by professional mechanics and elite cyclists worldwide, this component has earned a stellar reputation for reliability. Priced competitively at ¥399, it’s an essential upgrade for any serious rider looking to maximize drivetrain performance.
Backed by a 2-year warranty and used in championship-winning builds, our Italian Bottom Bracket Standard isn’t just a part – it’s peace of mind with every pedal stroke. Upgrade today and feel the difference that true engineering excellence makes!
探索骑行精度的巅峰之作——我们高端意规中轴标准配件，专为性能而生，为耐久而造！专为高端公路车与场地车设计，这款70毫米宽螺纹五通（68×24TPI螺纹）带来无与伦比的稳定性与高效动力传导。采用航空级CNC精密切削铝合金本体搭配不锈钢轴承，即便在极端骑行条件下也能保证顺滑转动与长久耐用。
仅适配意规螺纹车架，该标准具备卓越防水、防尘、防泥性能，四季骑行皆宜。100毫米轴长完美适配竞赛级牙盘系统，确保链条线精准对齐。提供黑、银、钛三色可选，轻松匹配你的梦想战车。整件仅重280克，在轻量化与结构强度之间实现完美平衡。
使用专用工具安装简便：螺纹处涂抹防咬合剂后，按建议力矩（35–40N·m）锁紧即可。全球专业技师与顶尖运动员一致信赖，口碑卓越。售价仅¥399，性价比出众，是追求极致传动表现骑手的必升配件。
享有两年质保支持，更被多款冠军车型采用。意规中轴不仅是零件，更是每一次踩踏下的安心之选！立即升级，感受真正工程美学带来的骑行蜕变！
