Shimano 105 BR-R7170 Hydraulic Disc Brake Caliper

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For the 40th anniversary since its launch in 1982, the 105 series gets its ultimate upgrade with Shimano's electronic Di2 shifting technology. Maintaining the series-typical price level, the precise shifting function, precisely tuned ratios and a reliable braking system thus become accessible to an even wider circle of road cyclists. Because in the tradition of its predecessors, the current 105 is also equipped with the top technologies – such as the wireless cockpit – and first-class features from the state-of-the-art Dura Ace and Ultegra series to enable their riders to discover the road anew, every single day.

Shimano 105 BR-R7170 disc brake caliper
Thanks to the natural deceleration feel of the hydraulic Shimano BR-R7170 brakes, athletes can test their limits even further. While their flat profile makes the Flatmount disc brake calipers ideal for use on road bikes, a 10 % larger pad spacing compared to the previous model reduces the risk of unwanted brake friction and grinding brake discs.

This reduces overall noise during deceleration, but without compromising braking performance. On the contrary, the BR-R7170 calipers not only grip quickly, but also reliably. To keep the maintenance effort as low as possible, the proven One-Way-Bleeding system is used once again, combined with a simplified bleeding process, which makes it unnecessary to first remove the brake caliper from the frame.

brake caliper: aluminium (painted)
pistons: resin
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

brake caliper incl. Resin Ice-Tech brake pads (without disc rotor and brake hose)

Mfr Claimed Weight