Thanks edmundane, after lots of checking on Sheldon Brown etc and comparing against clincher rims, I had come to the conclusion that irisque was a little wide of the mark... "Sprint Rim was a British term for any rim designed for tubular tyres..."
@downhillsquirrel started
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Thanks edmundane, after lots of checking on Sheldon Brown etc and comparing against clincher rims, I had come to the conclusion that irisque was a little wide of the mark... "Sprint Rim was a British term for any rim designed for tubular tyres..."