SHIMANO GRX FC-RX610 1x12-SPEED CRANKSET 40T Size:172.5mm Z LOK is fully adjustable

Z LOK is fully adjustable so you can use as much or as little of the 40cm lock diameter as needed

Pedal centre: 61 mm

IPX7 waterproof

ensuring versatility across different bike brands and models

For installation of Hollowtech II Press-Fit Bottom Bracket

SHIMANO GRX FC-RX610 1x12-SPEED CRANKSET 40T Size:172.5mm Z LOK is fully adjustableThe GRX FC RX610 1 2 piece crankset combines lightweight construction with efficient power transfer for mixed terrain riding. Purpose built for gravel cycling, it delivers smooth, responsive shifting with closely spaced gear ratios that maintain momentum across variable surfaces. The single 40T chainring paired with 12 speed compatibility offers versatile gearing for both climbs and descents. Features Gravel gear ratios preserve riding rhythm over