or continental grand prix (.. not 4000s): cheaper, slightly less fragile and slightly slower
https://www.bicyclerollingresistance.com/road-bike-reviews/continental-grand-prix-2014
@svenhöek started
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or continental grand prix (.. not 4000s): cheaper, slightly less fragile and slightly slower
https://www.bicyclerollingresistance.com/road-bike-reviews/continental-grand-prix-2014