Thanks! One question:

My back tires are pretty good. It's just the inside on the edges are more worn than the middle and the outside edges.  While driving, it should be the whole bottom( the middle and both sides) touching the ground, right?   Shouldn't it have enough grip and resistance?

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你大概觉察不出来. -TBz- 给 TBz 发送悄悄话 TBz 的博客首页 (125 bytes) () 10/18/2011 postreply 00:27:16

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