小弟再美國想買車找了兩台價錢差不多的車想比較一下但是對上面的東西完全不懂麻煩高手講解一下感恩！！http://www.giant-bicycles.com/en-US/bikes/mountain/1280/29353/andhttp://www.trekbikes.com/us/en/bikes/2008/mountain_hardtail/4_series/4300disc/
