Shimano Ultegra ST-R8170D Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount, Black Chain Tensioners Manufacturer Part Number: 52201

Manufacturer Part Number: 52201

159977-Q0-L

and urban assault style mountain riding

Original StopLock front disc brake adapter for Lefty Ocho forks for 180mm rotors

158391-Q0-L

Shimano Ultegra ST-R8170D Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount, Black Chain Tensioners Manufacturer Part Number: 52201Your 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