21 teeth

Duplex| d: 30mm
Duplex| Dh: 130mm
Duplex| L: 70mm
Triplex| d: 30mm
Triplex| Dh: 130mm
Triplex| L: 100mm
Pitch | Via Dp: 170.43mm
Outside | Dia Do: 181.20mm
Bore | d: 20mm
Hub | Dh: 110mm
Hub | L: 50mm