The Shimano GRX BR-RX810 front disc brake caliper is designed for uneven road surfaces. It features Flat Mount fitting and a one-way bleeding system.
The one-way bleeding system is designed to make it quick and easy to prevent air from entering the hydraulic system. The simplified oil flow path helps prevent air bubbles from forming in the system. One-way oil routing and a funnel with mineral oil make bleeding easy and clean.
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