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Shimano GRX RD-RX812 GRX 11-speed rear derailleur, Shadow+, for single

Shimano GRX RD-RX812 GRX 11-speed rear derailleur, Shadow+, for single

The Shimano GRX RD-RX812 is a premium 11-speed rear derailleur designed for gravel and cyclocross bikes. Featuring the Shadow+ technology, it offers smooth shifting performance and increased chain stability.
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