型号单向轴承轴承线轮齿轮比例线容量Model.One-wayBBSpoolRatioLineCapacityNeverfree-705017铝5.1:10.16/2300.20/1900.24/160 Neverfree-71005.1:10.20/2300.24/2000.28/160 Neverfree-7200氧化4.5:10.24/2600.28/2300.33/190 Neverfree-7300（孔椭圆）4.5:10.28/3000.33/2600.36/220 Neverfree-74004.5:10.33/3000.36/2600.40/220 ○高性能的前刹车系统 ○坚固的合金齿盘 ○高品质的喷漆和电镀装饰件 ○无可匹敌的顺滑，出动力和速度○圆孔铝合金线轮，打孔风格个性化○左右互换的摇臂和软胶手把