erictsai3737 wrote:
其實總齒比為 53- 39-30 T
. . . . . FSA Gossamer 三盤就是這種齒比啊 . . . .
當然島野先生是沒賣,不過這種齒比倒不是什麼新玩意。
GOSSAMER TRIPLE MEGAEXO
DESCRIPTION & MATERIALS
•• A6061-T6 cold forged solid crank arms(曲柄是6061的鋁合金)
• Chromoly steel spindle
• Steel MegExo bearing
•• AL7075 T6 chainring 100% CNC (齒盤全部用7075 CNC切削)
• AL7075 T6 Torx T30 hainring bolts
• Lenght: 165 - 170 - 172.5 - 175 mm
• BCD 130/74
• Teeth Combination: 53/39/30
• Compatibility: 10S
• Polished black anodized crank arm
• Black anodized chainring with Silver details
• Laser graphics
WEIGHT WITHOUT BB
• 877g <--- 也不算太重 . . . .
www.cycliving.com



























































































