The Shimano GRX I-RX810 Hydraulic Disc Brake have a different grip geometry and surface. The upper humps have been raised so that you cannot slip forward on rough ground. A recess for the thumb ensures a firm grip in difficult terrain at all times. And so that your hands don't slide back and forth when driving in the rain, a non-slip material was chosen, which also has good damping properties and thus increases comfort.
As usual, the dual-control lever of the GRX series offers outstanding ergonomics. The crisp switching operations are short, precise and can be carried out with little finger strength. This means you never lose control of your bike, even in hectic situations.
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