Shimano Dura Ace Di2 R9270 12 Speed Groupset workshop the Knuckleduster embodies our attention

the Knuckleduster embodies our attention to detail and our focus on function

This sleek

27g tool only 47g tool with strap

We can guarantee it

It makes pedaling more efficient with a wide variety of shoe and pedal styles and the recess cleat makes walking more comfortable

Shimano Dura Ace Di2 R9270 12 Speed Groupset workshop the Knuckleduster embodies our attentionThe pinnacle of Shimano road technology and innovation, the new 12 speed R9200 DURA ACE is our fastest, most inspired drivetrains ever. Speed was the driving force behind the new generation of road groups, and every decision our designers made was to make you faster. Groupset Includes. ST R9270 L & R Di2 Brake Shifter FD 9250 Di2 Front Derailleur RD 9250 Di2 Rear Derailleur BR 9270 Disc Brake Calipers flat mount front and rear FC 9200 Crankset CS 9200