- Set of wireless electric shift dual control lever and hydraulic disc brake caliper. 
- The brake hose is easy to connect with an easy hose joint system that does not require oil bleeding. * 
- Type: Right lever, for front 
- Brake hose length: 1000mm
* OIL is pre-filled, and the hose is already connected to the DISC caliper side. 
*Breeding is not required just by inserting the brake hose into the lever side. 
*Bleeding work is required when the hose length is adjusted (cut) or when air bubbles need to be removed. 
ST-R7170-R Specifications:
-  Lever type: Dual control lever 
- Correspondence speed: 2x12s 
- Shift type: Electric Di2 (for wireless) * 
- Compatible brakes: Hydraulic disc 
- Clamp band diameter: 23.8-24.2mm 
- Brake hose joint: straight 
- Oil used: SHIMANO mineral 
- E-tube port: SD300 port x1 
- Battery: CR1632x2 
- Reference weight: 423g (left and right pair) 
*Wired connection is not supported. 
*Not compatible with satellite shifters. 
BR-R7170-F Specifications:
- Type: Front 
- Brake type: Hydraulic disc brake (hydraulic type) 
- A mount type: Flat mount 
- Hose joint: straight 
- Oil used: SHIMANO mineral 
- Attached pad: Resin with fins 
- Reference weight: 123g 
- Brake hose: SM-BH90-JK-SSR Black/Length 1000mm 
- Includes mounting bracket for 140/160mm rotors and two fixing bolts.