Originally Posted by
cale
Sunshine Hubs
Many Sunshine hubs have an open dating code, of the form NN NN. The code is stamped near the center of the hub body. The first two numbers represent the month of the year; 01 for January, 12 for December. The second two numbers are the year of manufacture (e.g. 84 for 1984).
Sunshine and Sansin hubs were made by the same company. One Sunshine hub was marked only with an A, on a bike made in 84, which matches the Sansin year code.
The "5345" marking on early Sunshine hubs may be a model number. I (Skip) have Sunshine hubs from 1972, 73 and the late 70s that all have that number. Others have reported the same. Mike Marro reports having Sunshine hubs on his April 1983 (Serial # verified) Fuji Royale II marked "5345 C" (a rear hub ) and "5345 R" (a front hub). Could the C indicate rear model and the R front? My earlier hubs have no such letter marking.
Date of Manufacture of Bicycle Components can be used to date a bike: component dating
The front hub has a "W" on it right below "Made in Japan". As best as I can recall, I originally laced these up in the mid 80s.
Regards,
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