Build this please. Industrial designer Joey Ruiter has created a bike design around a growler from a local brewery. A growler is a beer bottle that contains a half gallon of beer. Says Ruiter, “With or without the beer, this changed how we view typical beach/ city ‘cruisers.’” Works for us. And the tech specs are; 29er fat wheel set, monarch springer front end, 2 speed internal kickback hub, disc brakes.