AeroFix Dublin: Pure White With Deep Dish Lime Green Wheels The AeroFix Lunar has a Pure White Frame with 50mm Deep Dish Lime Green Wheels. The Lunar Fixie features a "Flip - Flop" hub which allows the rider to ride with fixed gear or single speed. Full specifications below. All our Fixie Bikes ship 90% assembled in a clearly marked "AeroFix Cycles" brown box.AeroFix Cycles