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Compact Shimano Grx Rx812 11v Rear Derailleur Bundle [0JQcGOCZ]
The SHIMANO GRX RX812 11V Rear Derailleur has been developed in response to the democratization of cycling. Cyclo-cross and Graveland the high stresses they place on derailleurs with an initially road-going profile.It features a chain stabilizer with
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The SHIMANO GRX RX812 11V Rear Derailleur has been developed in response to the democratization of cycling. Cyclo-cross and Graveland the high stresses they place on derailleurs with an initially road-going profile.
It features a chain stabilizer with Shadow RD+ technology technology (borrowed from mountain biking) to prevent chain jerking. A switch is located on the top roller and, when activated, holds the pivot more firmly and reduces jerking.
This model, designed for Single Chainringcan be combined with a 42-tooth cassette gearing for greater flexibility.
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