Shimano Ultegra ST-R8170 Di2 Hydraulic Disc Brake Dual Control Levers Shifter Shifter:Right

Shimano Ultegra ST-R8170 Di2 Hydraulic Disc Brake Dual Control Levers Shifter Shifter:RightBR R8170 NEW To the delight of riders and mechanics alike, the new ULTEGRA BR R8170 caliper delivers enhanced modulation, a quieter brake system, and an easier than ever bleed process. The ULTEGRA R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. FEATURES 10% wider pad

Gravel stem developed to complete the PRO Discover cockpit

More control and confidence in race condition

air channels and pads are positioned away from the back behind a mesh structure

SHIMANO's SM-RTAD05 disc brake rotor adaptor is used for installing a 6-bolt disc brake rotor to CENTER LOCK hub

High quality cartridge bearings

For more rugged terrain the XX rings are compatible with our removable bashguards

• Laser welded

a central channel to relieve pressure and numbness

which can adhere to clean metal

2% (100% = no helmet)

Installation Instructions

while the base remains planted