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Old 04-18-16, 06:37 AM
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T-Mar
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The subject rim is an Araya model 7B. The Japanese bicycle rim industry was based on standardized model designations, defined by the cross-section and material. Variables such as diameter, width and hole count did not alter the model number. Nor did the manufacturer. This design would be a model 7B whether it was manufactured by Araya, Kaga or Ukai, who were the big three of the Japanese bicycle rim industry during this era.
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