Shimano 105 R71070 Flat Mount Road Disc Brake Caliper - Front


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Product ID: GM100622-33

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Shimano 105 R71070 Flat Mount Road Disc Brake Caliper - Front


105 R7100 / R7150 – It's A New Day

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.


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  • 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

(manufacturer recommendations, listing not final)

Weight: approx. 123 g (manufacturer's specification)

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