Shimano Ultegra R8170 Disc Calliper, Without Adapter, Rear

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• \n\t\t\t\tOversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness
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• \n\t\t\t\tOpposed 2-piston design reduces leading effect and optimal pad wear increases braking control
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• \n\t\t\t\tIncreased pad to rotor clearance reduces the chance of rotor drag
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• \n\t\t\t\tDirect flat mount and open design allows easy and quick wheel replacement
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• \n\t\t\t\tOne way internal fluid circuit makes bleeding easy
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• \n\t\t\t\tComplete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50 deg C
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• \n\t\t\t\tInline hose routing for low profile design
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• \n\t\t\t\tSeparate bleed port and valve screw for improved bleeding process
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