21 teeth

Duplex| d: 16mm
Duplex| Dh: 70mm
Duplex| L: 40mm
Triplex| d: 20mm
Triplex| Dh: 70mm
Triplex| L: 55mm
Pitch | Via Dp: 85.22mm
Outside | Dia Do: 89.70mm
Bore | d: 14mm
Hub | Dh: 68mm
Hub | L: 28mm