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Shimano GRX ST-RX400+BR-RX400 2x10-speed Disc Brake Set Gear shift lever 2 x 10-speed | Bike-Discount
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The Shimano GRX Drivetrain Brings Familiar Mountain Bike Tech to Gravel Riding [Review] - Singletracks Mountain Bike News
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Shimano GRX ST-RX600-R BR-RX 400-R Shift/Brake Lever Flat Mount Right/Rear 2x11s 192790449944 | eBay
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