NEW Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Right/Rear 2x12-Speed Flat Mount Black inventory-apparel-cycling-shoes Stretch cuff to easily pull

Stretch cuff to easily pull gloves on and off without fumbling for a Velcro strap

Model C917/Slick

the bottle pockets compress to maintain stability and keep the pack close to your body

Assisted Speed: USA

SKU: 210000046434

NEW Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Right/Rear 2x12-Speed Flat Mount Black inventory-apparel-cycling-shoes Stretch cuff to easily pullYour 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