The Shimano GRX BL-RX812 sub disc brake lever, which is mounted on the upper link and integrated directly into the closed hydraulic system, provides a completely new, additional operating option for the brake system. In appropriate driving situations, the upper link handle can also be used to decelerate comfortably and safely without having to take your hand off the handlebar in dangerous situations.
For gravel, road and cyclocross use: Shimano GRX BL-RX812 Disc Sub Brake Lever
A central concern of Gravel riders is a reliable braking system with sufficient power reserves to maintain control on steep, demanding or even surprising descents. For maximum performance and controllability, the top model of the RX800 brake lever is equipped with SHIMANO’s famous SERVO WAVE technology, long established in mountain biking.
SHIMANO’s GRX, the first Gravel-specific component family designed for both fast progress and safe bike handling on loose surfaces, is the result of an intensive and extensive research, testing and development process that incorporates information and feedback from countless riders on trails, forest tracks, gravel tracks and asphalt all over the world.
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