The Shimano GRX FC-RX820-2 Chainring is a 48-tooth outer ring specifically designed for 2x12-speed GRX drivetrains. It features a 110 BCD Shimano Asymmetric bolt pattern and is constructed from lightweight, durable aluminum, ensuring reliable performance for gravel and adventure cycling applications.

This round chainring provides precise shifting and robust power transfer, essential for varied terrain. Its 4-bolt attachment ensures a secure fit with compatible cranksets, offering consistent chain engagement across the 12-speed system for a dependable ride.

Quick Facts

Feature	Specification
Compatibility	2x12-speed GRX, 4-Bolt 110 BCD Shimano Asymmetric
Tooth Count	48T
Material Composition	Aluminum
Shape	Round
Weight	102g
Position	Outer Ring