Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rim Brakes - Left Right 2x12-Speed BLK MFPN=C04HJ12E20XASPK Bottom bracket cups sold separately FK0604 Size:LV Low Volume 50/40t Engineered

Shimano Ultegra ST R8150 Di2 Dual Control Shift Brake Lever Set Rim Brakes Left Right 2x12 Speed BLK MFPN=C04HJ12E20XASPK Bottom bracket cups sold separately FK0604 Size:LV Low Volume 50 40t Engineered Bottom bracket cups sold separately Rings 50 34 Number of Chainrings Double Drivetrain Speeds 12 Chainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm Chainstay Color Carbon Crank Length (mm) 170 Crank Intended Use Road Weight 585 BB Included Other Pedal Spindle 9 16" Spindle Interface Type Campagnolo Ultra Torque Defined Color Carbon keyword search Wonderland Canada Crank Length 170Mm Chainring Sizes 50 34T The ergonomic shaping of both the Top Grip and Drop Grip reduce pressure compared to a traditional round bar