ULTEGRA SL   This new beautiful finish will give the opportunity of even more beautiful and stylish road bikes. Ultegra's ice grey finish is not only a cosmetic addition, but also features a weight saving of over 70 grams compared to the regular Ultegra package. Furthermore an Ultegra branded compact crankset will be available.

Features

Series: ULTEGRA SL 2008
Model No.: FC-6650-s
Color: gray
Rear Speeds: 10
Chainring Combination: 50-34T
PCD(mm): 110
Splined Crank
Crank Arm Length (mm):175mm,172.5mm,170mm  or 165mm
Chain: Super Narrow HG for 10-speed 
Chain Line: 43.5mm
Hollowtech II technology