Model

Year

rear 

OLN (mm)

front 

OLN (mm)

Notes

New Series

2000

120

70

Now has a Shimano Ultegra rear, reduced to 125 mm.

AM 7

1983

130

110

Now has Shimano Nexus 8-speed

Mark 1 F-frame

1964

111

100

Sturmey 4-speed

APB 

1993

130

100

Now has Shimano Nexus 7-speed

 AM GT

1992

130