Nothing smooths out the road like the all new silque trek39s innovative isospeed decoupler and women39s ride tuned frame deliver the perfect balance of smoothness and power go longer and go faster as you tick off the miles on this beautiful smooth light machine it39s the perfect choice to ride fast climb high and go the distance the core of trek39s endurance comfort technology is their isospeed decoupler the result of an 18 month study of how a racing bike performs ove