Speedometer Pinion 1.Pulley Model:HTD5M-25T 2.Pulley Shape: BF Shape 3.Material:Aluminium Alloy 4.Teeth Pitch:5 mm 5.Bore Size: 6/6.35/8/10/12/12.7/14/15/16/17/19/20 mm Number of Teeth : 25(25) Model Number : HTD5M-25T Material : Alloy Type : Timing