型號(hào)單向軸承軸承線輪齒輪比例線容量Model.One-wayBBSpoolRatioLineCapacityNeverfree-705017鋁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（孔橢圓）4.5:10.28/3000.33/2600.36/220 Neverfree-74004.5:10.33/3000.36/2600.40/220 ○高性能的前剎車系統(tǒng) ○堅(jiān)固的合金齒盤(pán) ○高品質(zhì)的噴漆和電鍍裝飾件 ○無(wú)可匹敵的順滑，出動(dòng)力和速度○圓孔鋁合金線輪，打孔風(fēng)格個(gè)性化○左右互換的搖臂和軟膠手把