The Shimano GRX FC-RX820 40T chainring is designed for 1x12-speed gravel drivetrains, providing a dedicated single-chainring setup for reliable and efficient shifting across mixed terrain. Its 40-tooth configuration offers a practical balance of climbing capability and speed for gravel riding.Designed specifically for Shimano GRX FC-RX820 cranksets, the chainring integrates with Shimano's 12-speed gravel drivetrain for consistent chain retention and smooth shifting performance.Features- 40-tooth chainring- Designed for 1x12-speed drivetrains- Compatible with Shimano GRX FC-RX820 cranksets- Gravel-specific drivetrain application- Designed for reliable chain retention and shifting

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