First compact cranks on higher end parts.
100g lighter than Ultegra 6600.
Ice grey color.
Groupset
Series number
6600 SL
Year released
2008
Speed
10
Groupset series parts
| Part type | Title | Weight |
|---|---|---|
| Crankset | Shimano Ultegra 6600 SL Crankset FC-6601-G | 788g |