SHIMANO Dura Ace Di2 disc brakes Road hydraulically ST-R9170 / R9170-BR flatmount | set
For the new DURA-ACE Di2 9170 series Shimano has redesigned each component of the system to provide the most innovative component group of all time, to the now superadded a disc brake version.
The Dual Control lever for hydraulic disc brakes of the R9170 series, like its mechanical counterpart, a shorter stroke, a larger setting with more range and facilitates switching operations for quick and intuitive switching in all situations. The new disc brakes also allow a higher and better braking control force in all weather conditions.
The Di2 brake and shift levers, the Dura Ace Di2 can control components. Just press a button and the gears are inserted quickly and reliably. The precise pressure point of the circuit ensures that switching processes are really only triggered when the driver switches aware. Inadvertent switching is not to be feared. The now more defined Click gives you with each gear change the feeling of more control.
Synchronized Shift enables more efficient gear changes while driving. The function offers numerous advantages such as faster, more precise gear shifting under all driving conditions and minimizes the load on the drive.
Material lever: Aluminum, Carbon Composite
Material caliper: Aluminium
Material brake pistons: Ceramic
Technology: Synchronized shifting, Auto-Trim, E-Tube, SLR Evo Technology
Gears: 2x11-speed, freely programmable
Reach adjustment: integrated (with tools)
Compatibility caliper: Shimano BR-R9170 Flat Mount (Road, incl.)
Compatibility Brake: Shimano SM-RT900 (optional)
Brake pads: L02A Resin with cooling fins (Ice Tech, incl.)
Brake line: Shimano SM-BH90-JK-SS (incl.)
Brake Oil: Shimano Mineral Oil for disc brakes
Weight: 876g (. Shift / Brake lever left and right including calipers and lead - filled)
Delivery: 1x Shift / Brake lever set left and right for hydraulic disc brakes
Included flatmount calipers, lines and brake pads