Top of the range, high performance Dura-Ace low profile hydraulic road disc brake for efficient braking in all conditions.
Front wheel use for flat mount forks with adapter to flip between 140 and 160 mm. Oversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness.
Improved pad to rotor clearance with 10% increase pad clearance over BR-B9170 reduces the chance of rotor drag. Direct flat mount and open design allows easy and quick wheel replacement.
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