Super champion
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A French brand, Super Champion, used to manufacture high-quality cycle rims for general road use and as well as racing competitions. The tire company Wolber purchased Super Champion eventually, but by the 1980s, Super Champion had a nice lineup of Tubular and Clincher cycle rims. There was also the Mixte line of cycle rims by Super Champion that users could either sew up or take a clincher tire. Most of the cycle rims made by Super Champion were 650-700c in width and weighed somewhere around 300 to 600 grams. The rims’ versatility is proved by the fact that they were used for both regular as well as competition purposes.
Wikipedia