- New front derailleur chain guide design to reduce chain drops
- Hollow glide chain rings 11 speed compatible
- Made in Japan
Borrowing 9000 Dura-Ace technologies, the Ultegra 6800 crankset now has Optimum Power Transfer 4-arm design.
Borrowing 9000 Dura-Ace technologies, the Ultegra 6800 crankset now has Optimum Power Transfer 4-arm design.