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Shimano GRX component series is the first dedicated gravel group w/ 10 & 11 speed options - Bikerumor
![Shimano GRX component series is the first dedicated gravel group w/ 10 & 11 speed options - Bikerumor Shimano GRX component series is the first dedicated gravel group w/ 10 & 11 speed options - Bikerumor](https://bikerumor.com/wp-content/uploads/2019/05/Shimano-GRX-gravel-road-11-speed-10-mix-and-match-group-9.jpg)
Shimano GRX component series is the first dedicated gravel group w/ 10 & 11 speed options - Bikerumor
Shimano GRX ST-RX400 shifter (10 sp) compatible w/ XT RD-M786 (10 sp) rear derailleur | Mountain Bike Reviews Forum
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