This twelve-key crankset ensures smooth power transfer and long-term durability.
这款十二键中轴确保动力传输顺畅且经久耐用。
The 12-touch bottom bracket reduces friction for faster acceleration.
十二触点中轴减少摩擦，实现更快加速。
Engineers designed the twelve-notch spindle to resist wear under heavy load.
工程师设计了抗重载磨损的十二键槽中轴。
Cyclists praise the dual-dodecal interface for its precise alignment.
骑行者称赞双十二接口对位精准。
This crankset uses aerospace-grade aluminum for lightweight strength.
该曲柄组采用航空级铝合金，轻盈坚固。
The sealed bearings prevent water and dust from damaging the spindle.
密封轴承防止水和灰尘损伤中轴。
Upgrading to a twelve-key system improves pedal efficiency by 8%.
升级十二键系统使踩踏效率提升8%。
It fits all major bike frame standards with included adapters.
配备转接环可适配主流车架标准。
Riders notice less chain noise after installing this bottom bracket.
安装此中轴后骑行者发现链条噪音更小。
The anodized finish resists scratches and corrosion in wet conditions.
阳极氧化表面耐刮耐磨，湿环境不生锈。
Meet the future of cycling performance: the Twelve-Key Crankset. Designed for serious riders who demand precision, power, and reliability, this cutting-edge bottom bracket system redefines what’s possible on two wheels. With its unique twelve-key spline interface, it delivers unmatched torque transfer—up to 8% more efficient than traditional systems—making every pedal stroke count.
Made from cold-forged 7075-T6 aluminum, this crankset is both ultra-light (just 680g for the full set) and incredibly strong. The sealed industrial-grade bearings ensure smooth rotation in rain or shine, while the anti-corrosion coating keeps performance consistent across seasons. Available in sleek black, metallic gray, and limited-edition racing red.
Compatible with Shimano, SRAM, and Campagnolo drivetrains via included adapter kits, it installs easily on 68mm, 73mm, and press-fit frames. Whether you're climbing steep mountains or sprinting on flats, the Twelve-Key Crankset maintains perfect alignment and zero flex. Professional racers and weekend warriors alike report improved responsiveness and reduced fatigue over long rides.
Priced at ¥899, it's a premium upgrade that outperforms components twice its cost. Backed by a 3-year warranty and loved by over 12,000 cyclists nationwide, this isn’t just a part—it’s a performance revolution. Upgrade your ride today and feel the difference precision engineering makes!
迎接骑行性能的新纪元：十二键中轴曲柄组。专为追求极致操控、强劲动力与可靠品质的骑行者打造，这款前沿中轴系统重新定义了两轮出行的可能性。独特的十二键槽花键接口，带来无与伦比的扭矩传导效率——相较传统系统提升高达8%，让每一次踩踏都高效有力。
采用冷锻7075-T6航空级铝合金制造，整套仅重680克，轻盈却坚固无比。工业级密封轴承确保晴雨天气皆顺滑如一，抗腐蚀涂层则保障四季稳定表现。提供炫酷黑、金属灰及限量竞速红三种配色，颜值与实力并存。
附赠转接套件，兼容Shimano、SRAM、Campagnolo三大变速系统，轻松适配68mm、73mm及压入式车架。无论是征服陡坡还是平路冲刺，都能保持零形变、精准对位。万名骑友实测反馈：长途骑行更省力，响应更敏捷，操控信心倍增。
售价仅899元，性价比碾压同级千元产品。全国超12000名骑行者真实推荐，三年质保保驾护航。这不仅是一次升级，更是骑行体验的全面进化！立即更换，感受精密工程带来的非凡驾驭感！
