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chiyh:1、轮径越大,稳定性越好,轮径越小,扭矩也就是启动速度越大,小轮径在高速中稳定性很差2、宽度约等于阻力,如果你马力够大,也可以理解为宽度即抓地力,不过对于自行车,还是阻力的意义比较大3、变速密度高,可以容易找到最适合自己踏频的齿比,变速范围大的,适应更多路况但 .. (2014-04-17 13:43)
N360:那你应该买大行 MU N360 无级变速 永不掉链 变速平滑,不用保养 。。。我就在用,超爽 (2014-04-17 13:33)
suxiaoyan:大行:FAA075、BIRDY,这两款最合适你 (2014-04-17 13:26)
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