Shimano Front Chainwheel Dura Ace Di2 Cranksets With the Panaracer line of

With the Panaracer line of tubes now available

Foldable design for compact storage in tool box

Comfortable nylon headband provides comfortable

Bar-mounted water bottle cage

19mm inner width rims

Shimano Front Chainwheel Dura Ace Di2 Cranksets With the Panaracer line ofDescription : DURA ACE HOLLOWTECH II Road Crankset 2x11 speed The DURA ACE FC 9000 crankset uses advanced HOLLOWTECH II technology and a 4 arm design to reduce weight while maintaining efficiency. An improved chain guide provides surefire shifting and decreased chain drop. It uses a 110mm pitch circle diameter and is offered in 50 34, 52 36, 52 38, 53 39, 54 42, 55 42T chainring options. It is available in 165, 167. 5, 170, 172. 5, 175, 177. 5, and