Old 12-11-14, 06:56 PM
  #16  
twocicle
Clipless in Coeur d'Alene
 
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Location: Coeur d'Alene, Idaho
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Bikes: Tandems: Calfee Dragonfly S&S, Ventana ECDM mtb; Singles: Specialized Tarmac SL4 S-Works, Specialized Stumpjumper Pro, etal.

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I'm curious what the reasoning might be for Gates having 8mm pitch for tandems, versus 11mm pitch for single drives?

Given a standard BB spacing of 724mm/28.5", I wonder what size ring would be needed if a 1452mm/11mm pitch belt were used?
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