Shimano 105 BR-R7170 Hydraulic Disc Brake Caliper Shimano the interface transmits and receives

the interface transmits and receives signals to and from the Power Unit™ thousands of times every second

the Service Course SL 80 Ergo weighs 275g for a 42cm-wide bar

Sticks to the side of link plates enhancing shifting performance

Easy to install - Install and move your Assioma from one bike to another just like your normal pedals

Keep your Di2 groupset charged and up to date

Shimano 105 BR-R7170 Hydraulic Disc Brake Caliper Shimano the interface transmits and receivesShimano 105 BR R7170 Hydraulic Disc Brake Caliper Specifications Material: brake caliper: aluminium (painted), pistons: resin Compatibility: STI lever: ST R7170, ST R9270, ST R8170 Sub brake lever: BL RX812 Brake disc rotor: SM RT70, SM RT64 Brake pads: K05S RX Resin, L05A RF Resin, L04C MF Metal Brake hose: SM BH90 J SSR, SM BH90 JK SSR Mfr Claimed Weight 123g