[with teeth teeth width: 7mm bore: 3mm]
[without teeth teeth width: 7mm bore: 4mm]
product name: 2GT-20 teeth Idler Timing Pulley Tension Pulley with Bearing
tooth shape: arc shaped tooth
teeth pitch: 2mm ; tooth width: 7mm(for 6mm width belt) / 11mm(for 10mm width belt)
tooth outer diameter: 12.14mm(without teeth) / 12.22mm(with teeth);
material: aluminium alloy; bore: 3/4/5mm
pack quantity: 1pcs