Description
Shimano’s 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 reliablewireless shifting. Your time on the bike is precious let Shimano make it even better.
| Brake Lever Actuation | Hydraulic |
| Double or Triple | Double |
| Rotor Included | No |
| Brake Caliper Mount | Flat Mount |
| Brake Lever Use | Left |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Drivetrain Speeds | 12 |
| Front Der/Shifter Compatibility | Shimano Road Di2 |
| Color | Black |
| Hydraulic Fluid Type | Mineral Oil |
| Pad Compound | Organic |
| Hydraulic Hose Length | 1000 |
| Adjustable Reach | Yes |
| Defined Color | Black |
| Position | Left |
| Speeds | 2X |






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