Gates PowerGrip GT2 Sprocket 2MR-21S-06 7842-6010 - aluminum material 2mm pitch 0.526 inch pitch diamter 21 grooves MPB with a bore range of 3/16 - 3/16 inch for 6mm wide PowerGrip belts.
Markets/Applications Use with 2MGT and 3MGT PowerGrip® GT®3 belts