Shimano ULTEGRA Di2 ST-R8170 2X12 Speed STI Dual Control Shifter Brake Lever
Product features Use: Road Group: Ultegra Di2 R8150 Model: ST-R8170 Set Type: Dual-Control (STI) Handlebar mounting: left / right Gear front: 2-speed Gear rear: 12-speed Optical gear display: No Lever reach adjust: Yes Handlebar diameter: 23.8mm/24.2mm Brake-type: Hydraulic Disc Brake Recommended brake caliper: BR-R8170 Compatible electric wire: EW-SD300 E-tube Project: Yes E-tube port (pcs): each 2 E-tube connector (pcs): 0 Di2 Wireless-Chip: Yes.