Shimano Dura-Ace FC-09 Electronic Upgrade And with optional accessories like

And with optional accessories like the Universal LED light for greater visibility

and viruses

2- Aluminum Laser Etched Star Plugz (Powder Coated or Anodized)

thru axle mount on a Tacx NEO or FLUX Smart trainer

dirt roads

Shimano Dura-Ace FC-09 Electronic Upgrade And with optional accessories likeThe choice of the world's best climbers, sprinters, and time trialists, the DURA ACE R9100 crank drops weight while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options. Attributes BB Inclusion No BCD 110 Chainline 43. 5mm Crank Spindle Diameter 24mm Crankset Material Carbon Aluminum Drivetrain Spacing Road Interface