Ultegra-SL: reduced weight design with polished 'ice grey' finish,53/39t
- Ultegra-SL: reduced weight design with polished 'ice grey' finish, DuraAce-style steel BB-spindle, machined BB-cups, and alloy chainring bolts
- Hollowtech-II (HT2): integrated bottom bracket spindle with right crank for increased rigidity, while left arm mounts to splined spindle
- 6601: double 130CD 53/39t @ 690g
- With Outboard, alloy bottom bracket bearing cups SH-14233 (68mm English)
Manufacturer: N/A
SKU: 05010313
