Shimano GRX FC-RX610 Front Crankset Chainring:46/30 It's compatible with both 10

It's compatible with both 10 and 11-speed freehubs

SKS Rear Extender MUDROCKER - Front

5mm with 12° shim)

& Wheels Manufacturing™ PF30

Shimano GRX FC-RX610 Front Crankset Chainring:46/30 It's compatible with both 10Gravel for Everyone. The two piece Shimano GRX FC RX610 crank combines low weight with improved efficiency to always cut a fine figure in mixed terrain. To meet the different requirements of Gravel riding, the crankset for 1x12 speed drivetrain systems offers a range of gear ratio options. Be it a tighter gear gradation or maximum bandwidth, two different chainring sizes (38 or 40 teeth) and the choice between a cassette with 10 45 or 10 51 teeth (CS