材料：增强树脂嵌铁成型“V闸”
臂长：102/112mm
标准颜色：黑，彩色
闸皮长度：55-70mm
调整范围：20.5-38.5mm
Material:reinforced resin V-brake with steel insert
Arm length:102/112mm
Standard color:black,color
Rubber pad:55-70mm
Dimension:20.5-38.5mm