The Wave is our take on the single speed commuter and is designed to be simple and reliable with undeniable style so you can enjoy the ride as you turn heads. Keep it chill with the freewheel, or flip the rear hub and have some fun riding it as a fixed gear. The chromoly frame and fork are designed with plenty of room for fenders or a rack so you can customize for your MiiR bicycle. And with each bicycle purchased, one person in need is empowered with transportation. What are you waiting for? Grab yours and go ride. One4One, With your purchase, MiiR will help a person in Africa or the U.S. to earn a bike through a work-or-study-to-own program. Chromoly 4130, the Wave Single Speed uses butted chromoly steel throughout the frame and fork to ensure a smooth, resilient ride. Single-speed design is simple and reliable; flip-flop rear hub lets you ride the Wave either as a freewheel or as a fixed-gear bike. Customizable, the MiiR Wave Single Speed bike has attachment points for fenders and a rear rack. Additions, include a stainless steel water bottle and cage. Size Extra Large (60cm) fits riders 6"0"+.