The theory was that the giant rear wheel would act like a flywheel and help maintain momentum on the track. Another classic of the genre was this Cinelli Laser. And Graeme Obree's homemade bike, 'Old ...

Fortnite Simpsons Power Plant Meltdown puzzle (Image credit: Epic Games) The nuclear power plant in the top-right corner of the map hides a puzzle and if you solve it, you'll get top-tier loot ...