From a 1977 publication there is an advert for Focus Racing Spoke (called 100+). However the design is different to the usual version.
The wheel has the typical 18 spokes, but has an increased number of rim screws (18 vs 12), no JWL casting on the face and different centrecaps.
The mesh is completely different from the later Focus Racing wheels.
Both versions are marketed under Hisako Corp. It seems this predates the usual SSR manufactured version, curious to find out more info...
A retailer has them listed for sale along with Speedline and Volk wheels
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