Shimano Ultegra ST-R8170A Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount, Black Bells & Horns The semi-round shape is the

The semi-round shape is the best compromise for medium and long distances Ideal for rider with a medium lumbar flexibility

UPC: 689228771284

5mm outer bolts

161101-Q0-L

UPC: 8058774824935

Shimano Ultegra ST-R8170A Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount, Black Bells & Horns The semi-round shape is theYour 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