* THE MULTI-LAYERED KNITTING CARBON FIBER BRAKE * MACHINE CUT ALUMINIUM FRAME AND FORGED SPOOL * FOUR SHIELDED STAINLESS STEEL BALL BEARINGS * ANODIXED ALUMINIUM FRAME AND SPOOL * ONE TOUCH TWO SPEED SHIFTING  * PRECISION DRAG PER-PROGRAM DIAL * PRECISION MACHINED PARTS * LASER PRIVATE VRANDING * TWO SPEED GEAR RATIO * 进口航空铝合金ＣＮＣ精加工制作 * 外表阳极氧化超强硬度处理，抗腐蚀耐磨性好
* 外表氧化着色处理，永不褪色
* 商标激光打印 * 4个进口不锈钢轴承 * 高精密度不锈钢传动结构，手感流畅 * 双齿速比，可调双速摇臂 * 高耐磨碳素刹车片