The spindle sprocket ensures smooth power transfer from pedals to chain.
轴心牙盘确保脚踏动力顺畅传递到链条。
This center drive gear is designed for high-torque e-bike systems.
这款轴心牙盘专为高扭矩电助力车设计。
Upgrading the bottom bracket chainring improves pedaling efficiency.
升级五通牙盘可显著提升踩踏效率。
The core crankset gear reduces energy loss during climbing.
核心牙盘组件减少爬坡时的能量损耗。
Precision-engineered spindle sprockets minimize chain wear.
精密制造的轴心牙盘降低链条磨损。
Alloy construction makes this center drive gear lightweight yet strong.
铝合金材质让牙盘轻量且坚固。
Compatible with 9-12 speed drivetrains, this bottom bracket chainring offers versatility.
兼容9至12速传动系统，适用性强。
The core crankset gear features anti-slip tooth design.
牙盘采用防掉链齿形设计。
Easy installation makes spindle sprocket ideal for DIY upgrades.
安装简便，适合自行升级更换。
Rigorous testing ensures long life of center drive gear under heavy use.
严格测试保障高强度使用下的耐用性。
Introducing the all-new XTR-3000 Spindle Sprocket – the ultimate upgrade for serious cyclists and e-bike enthusiasts! Engineered with aerospace-grade 7075 aluminum, this center drive gear delivers unmatched strength-to-weight performance. Weighing just 420g, it’s 18% lighter than standard models without compromising durability.
Available in 32T, 36T, and 40T configurations, our bottom bracket chainring fits most Shimano and SRAM systems (compatible with 9-12 speed chains). The precision CNC-machined teeth ensure silent operation and perfect chain alignment, while the black hard-anodized finish resists corrosion and scratches.
What sets our core crankset gear apart? It features an innovative asymmetric tooth profile that eliminates chain drop – a game-changer for mountain trails and urban commuting. Installation takes under 10 minutes with common tools, making it perfect for weekend warriors.
Tested by pro riders across 10,000+ kilometers, this spindle sprocket maintains 98% efficiency even after extreme conditions. Choose from sleek matte black, stealth gray, or racing red finishes to match your bike’s aesthetic. At ¥399 (regular ¥599), it’s the smartest investment for smoother rides and longer component life.
Join 12,000+ satisfied customers who’ve transformed their cycling experience. This isn’t just a replacement part – it’s a performance revolution waiting to be installed on your dream machine!
隆重推出全新XTR-3000轴心牙盘——专业骑行者与电动自行车爱好者的终极升级之选！采用航天级7075铝合金打造，这款中心驱动牙盘在强度与重量比上表现卓越。仅重420克，比普通型号轻18%，却丝毫不影响其坚固耐用性。
提供32T、36T、40T三种齿数规格，适配绝大多数Shimano与SRAM系统（兼容9-12速链条）。精密CNC加工齿形确保运行静音顺滑，链条对位精准。黑色硬质阳极氧化表面处理，抗腐蚀耐刮擦，长久如新。
我们的核心牙盘有何特别？创新非对称齿型设计彻底杜绝掉链烦恼，无论是山地越野还是城市通勤都安心无忧。使用常规工具10分钟内即可完成安装，周末自己动手轻松搞定！
经职业骑手累计超万公里实地测试，即便在极端路况下仍保持98%传动效率。提供哑光黑、幽影灰、竞速红三种潮流配色，完美匹配您的爱车风格。现价仅¥399（原价¥599），是提升骑行质感与延长零件寿命的超值投资。
已有超过12,000名用户亲测好评，选择它就是选择一次骑行体验的全面进化！这不仅仅是一个替换零件，更是您梦想座驾上的性能革命，等你来装！
