Shimano GRX FC-RX820-2-12 Crankset

Shimano crankset for the named series — the chainring-arm assembly that includes the crank arms, spider, and (usually) chainrings as a set. The foundation piece your bottom bracket, chain, cassette and derailleur all pivot around on the drivetrain side. GRX is Shimano's gravel / adventure groupset — clutch-equipped derailleurs, wider-range gearing, ergonomics tuned for on / off-road riding and hood-level grip on rough surfaces. This is the Shimano GRX FC-RX820-2-12 Crankset.