Originally Posted by T-Mar

+1, it's atypical to find forged dropouts on hi-tensile forks during this era. Also, a CrMo fork is likely to have have alpha-numeric date code on the steerer tube. The crankest dates to May 1974 and Cyclone came out in 1975, so it's probably a 1975 model. Given the apparent 3 model year difference, it could be a different tubeset but it's pretty easy to verify if it is Ishiwata 022 Speed Gallant, as the typical post size was 27.2mm. I'd appreciate the serial number for my database. TIA.