Shimano Ultegra ST-R8170D Di2 Shift/Brake Lever BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK MFPN=D.100.5553.001.LG Representing the balance of performance

Representing the balance of performance durability and value the series incorporates all the features necessary for a robust lightweight long-lasting headset

Tooth Count 17 Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds Single Speed 3/32" Material Aluminum Defined Color Black

}SRAM Force 22/ Force 1 Right Rear Road Hydraulic Disc Brake and DoubleTap Lever 1800mm Hose Rotor Sold Separately

Tooth Count 20 Cassette Body Type Shimano/SRAM 8 9 10 Speed Material Aluminum Defined Color Black

Shimano Ultegra ST-R8170D Di2 Shift/Brake Lever BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK MFPN=D.100.5553.001.LG Representing the balance of performanceShimano Ultegra ST R8170D Di2 Shift Brake Lever with BR R8170 Hydraulic Disc Brake Caliper Right Rear 12 Speed Flat Mount Black. Your 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 Shimanos proven SERVO WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR R8170 hydraulic 2 piston