Power every pedal stroke with the Shimano GRX FCRX820 42T 170mm 12spd Crankset Built for efficient performance the crankset delivers a lightweight feel without compromising stiffness or strengthPairing smoothly with 1045T or 1051T cassettes the 42T chainring supports both tighter gear steps and wider range options Highprecision seals in the bearing area protect the internal system keeping performance consistent across long distances and rough conditions The Shimano GRX FCRX820 42T crankset supports smooth rotation reliable durability and confident riding on every outingFeatures Lightweight HOLLOWTECH II crank arm boosts pedalling efficiency 42T chainring pairs with 1045T or 1051T 12spd cassettes Stiff construction supports consistent power transfer Integrated bottom bracket axle increases stability Precisionsealed bearings improve longterm durability

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