Shimano Ultegra BR-R8010-R Rear Direct Mount Caliper Brake, Black Apparel Brand_Playtri gravel and cyclocross bikes and

gravel and cyclocross bikes and compatible with Quick Release and Thru Axle

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In summary

Inflate up to 9 MTB tires from 0-30psi on a full charge

durable machined aluminum body with integrated cooling fins and cutouts for 180° of front visibility

Shimano Ultegra BR-R8010-R Rear Direct Mount Caliper Brake, Black Apparel Brand_Playtri gravel and cyclocross bikes andStabilizer between axles reduces deformation and improves braking efficiencySleek designCompatible with wider 28C tire sizeMore predictable, linear braking curveNarrower gap between armsWider clearance with larger tire sizesClear contact feeling with balanced rigidity, weight and stopping power SERIES Ultegra GENERATION Ultegra R8000 CALIPER MATERIAL , Aluminum CABLE OR HYDRAULIC Mechanical INCLUDED BRAKE PAD R55C4 CARTRIDGE SHOE HOLDER X