Ultegra ST-R8170 Di2 Shift/Brake Lever with BR-R8170 Disc Brake Caliper Options:Ultegra ST-R8170D Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed, Flat Mount, Black Works with most friction shifters

Works with most friction shifters

these gloves are built for all-day rides

rowdy descents

valves and sealant sold separately)

Equipped with a bonus lens and matching nose guard

Ultegra ST-R8170 Di2 Shift/Brake Lever with BR-R8170 Disc Brake Caliper Options:Ultegra ST-R8170D Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed, Flat Mount, Black Works with most friction shiftersYour time on the bike is precious, let Shimano make it even better. Ultegra ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR R8170 hydraulic 2 piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial