Shimano IBRR8070R1RF Hydraulic Flat-Mount Disc Brake Caliper

Actuation Hydraulic
Brake Fluid Mineral Oil
Mount Type Flat-Mount
Position Back
Pistons 2
Compatible Brake Pad Styles Shimano Road Cooling - #60
Resin Pads Only No
Brand Shimano
Model Number IBRR8070R1RF
UPC 689228768819
Color Black
ebike-Friendly?
Weight 140 grams
Intended Use

Click to see all known products that are interchangeable with this product. For disc brake calipers we use pad's mount type, actuation, and brake fluid type (if hydraulic) to narrow the selection to interchangeable parts. Other factors like weight, brand, and price are not relevant to compatibility. This is designed to help you quickly find replacement parts that will fit.


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The Shimano Ultegra BR-R8070 is a hydraulic disc brake caliper for the rear wheel, offering the precision and reliability associated with the Ultegra series. This caliper is compatible with flat mount standards, which ensures a clean, integrated profile on the bike's rear end.

Equipped with resin brake pads that feature fins, the BR-R8070 provides excellent heat dissipation, which is essential for maintaining consistent braking performance and reducing the chance of brake fade during long descents or heavy use. The finned design also contributes to quieter braking and helps prevent overheating.

The hydraulic brake system of this caliper uses mineral oil, which is known for its durability and low maintenance, providing a smooth and predictable braking response.

Weighing approximately 140 grams, the Ultegra BR-R8070 caliper is designed with performance in mind, offering a lightweight yet powerful braking option. While the caliper includes the brake pads, it does not come with a rotor, allowing cyclists to select the appropriate size and style for their cycling needs.

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