Shimano XT M8100 Groupset - 170mm Boost 1x 30t Crankset, Shifter, Rear - Pro Bike Supply
SHIMANO DEORE XT M8100 12 Speed Crankset FC M8100 1 FC M8120 1 30T 32T 34T 170mm 175mm Original parts or with DELIC Chainring|Bicycle Crank & Chainwheel| - AliExpress