XG999

rick · 发表于 2010-2-2 12:14

Weighing in at 175 grams, the XG999 cassette employs Sram's X-Glide and X-done technologies in its design.

Seven of the nine cogs are CNC-machined together out of a single block of billet steel, creating an incredibly lightweight, precise and strong cassette

看来年后又有新选择了

尤利文 · 发表于 2010-2-2 12:24

上吧！！！！！！

rick · 发表于 2010-2-2 20:39

这个是老刘的黄山利器

不知是否能赶的上

rick · 发表于 2010-2-4 11:19

几张大图

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