Update:
Diameter of Bf 109G-2 Oleo Strut:
6.5 cm
Angle of axle to oleo strut:
Bf109G-2 - 99 degrees
Bf 109F - 99 degrees
Information courtesy of Mr. Birger Larsen, Norse Luftfahrts Museum, Bodø, Norway:
http://luftfartsmuseum.no/follow-pro...-109-yellow-3/
Best Regards,
D.B.