Constant Pinion Number of Teeth : 22 Model Number : Timing Pulley 5M22T Material : Alloy Type : Timing Teeth pitch: : 5 mm Pulley shape: : BF shape Inner bore: : 6/6.35/8/10/12/12.7/14/15/16/17 mm Slot width: : 16/21/27 mm Belt width: : 15/20/25 mm