12 teeth

Duplex| d: 16mm
Duplex| Dh: 53mm
Duplex| L: 50mm
Triplex| d: 20mm
Triplex| Dh: 53mm
Triplex| L: 70mm
Pitch | Via Dp: 73.60mm
Outside | Dia Do: 81.50mm
Bore | d: 14mm
Hub | Dh: 52mm
Hub | L: 35mm