OVERVIEW: A bigger version of the Hydrous 24, the 27.5 brings even more street style to this BMX-inspired bike. Created by award-winning bike designer by Kevin Quan, the Liquid Series Hydrous 27.5 is a beauty in Metallic Blue. Built to be fun and fun to look at, you have to see it for yourself. All Hurley bikes have been ACT, CPSC & UL certified; the gold standard in bicycle safety.