[USMA:53105] Bicycle Speedometer Question

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I was looking on Craigslist for a speedometer for my Nordic Indie  
bicycle and the only listing I found was for a couple of antique ones,  
"Schwinn with a 20-inch drive gear and one Huret with a 27-inch drive  
gear" so I contacted the guy and asked if the Huret speedometer  
measures in kilometers or miles. His response was miles, then I asked  
if possibly the Huret measures in kilometers because it is Made in  
France. He says I don't know and I don't care. I attach the images  
hoping that someone knows. The Schwinn speedometer goes up to 40 (I  
suspect miles) and the French-made Huret speedometer goes up to 60 (km  
I suspect). Does anyone know for sure?

David Pearl MetricPioneer.com 503-428-4917
Celebrate Hawaii HB36 with Metric Pioneer Summer Sale http://t.co/Qa96mqYHkI