Shimano ST-R8170 Ultegra Di2 Discbrake Shifter 12s + BR-R8170 Brake Calipers Style:ST/BR-R8170 Set (Left and right shifters + brake calipers)

Shimano ST-R8170 Ultegra Di2 Discbrake Shifter 12s + BR-R8170 Brake Calipers Style:ST/BR-R8170 Set (Left and right shifters + brake calipers)Shimano Ultegra R8170 Di2 2x12 Speed Shifter Set Road riding has never been this much fun. That's because the redesigned Ultegra ST R8170 Dual Control Levers and BR R8170 Caliper have unparalleled all new ergonomics engineering refined with pros' feedback by raising the hood peak, even more precise brake modulation, quieter brake system, easier than ever bleed process, and wireless electronic shifting. This trifecta lets you focus on the next sprint,

Lighter drivetrain set up

The mounting system comprises two adapters and two durable hook and loop fastener straps

The durable water repellent and stain resistant coating keeps contents dry and cleans up easily

Dual injection molded

USB-C (USB Type-C cable)

Zipp’s SL Speed Seatpost has become a favorite of road and cyclocross pros because of its light weight and dependability

The frontal cap is made of carbon fiber too

low-profile bottom rim doesn't obstruct your field of view

Secure strap provides tool-free mounting to frame tube

Aerodynamic seat bag holds tubes

This ring will turn green and then turn off once the Blinder is fully charged and ready to go

the DURA-ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet