Manufacturer: Stieber
Type: Self-Contained Freewheels
Model: GFR-20 C
Dimensions
Bore Diameter dH7: 20 mm
Outer diameter Dh7: 75 mm
Width L: 34 mm
D4: 55 mm
D2: 30 mm
L1: 57 mm
B: 39 mm
Maximum overrunning speed:
Inner race: 2700 rpm
outer race: 5600 rpm