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The Shimano GRX FC-RX810 features optimum gearing for mixed terrain and riding styles, and is designed for use with GRX components.
Bottom Bracket not included
•Features tighter gear steps to maintain rhythm on familiar routes
•1x drivetrain offers simplicity
•Available with either 40t or 42t Chainring
•50.1mm chainline / 151mm Q-factor
•2x11 speed crankset features gravel-specific gear rations that preserve riding rhythm over rough surfaces with wider tires
•Includes a 48/31t front range for wider gearing possibilities
•46.9mm chainline / 151mm Q-factor
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A guide to understanding and calculating bicycle gear inches.