Shimano Fc-6800 Ultegra 172.5mm 52-36t 11-speed

Borrowing 9000 Dura-Ace technologies, the Ultegra 6800 crankset now has Optimum Power Transfer 4-arm design.

• New front derailleur chain guide design to reduce chain drops
• Hollowglide chainrings 11 speed compatible
• Made in Japan
• Without BB