Gates PowerGrip GT2 Sprocket 3MR-68S-09 7843-6021 - aluminum material 3mm pitch 2.557 inch pitch diamter 68 grooves MPB with a bore range of 5/16 - 1 inch for 9mm wide PowerGrip belts.
Markets/Applications Use with 2MGT and 3MGT PowerGrip® GT®3 belts