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SHIMANO GRX Gravel Crankset FC RX810 1 FC RX810 2 48 31T 170mm 172.5mm 2x11 speed Original parts|Bicycle Crank & Chainwheel| - AliExpress
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A Subcompact Crank That Shifts! Shimano GRX FC-RX810 Gravel Crankset Feature Review and Weight - YouTube
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