Save big on 12" BMX bikes today at The House! Browse bikes starting at 12 inch and up. Designed with durable wheels ready to take on all sorts of rocky terrain, bikers are going in for a thrill on these bad boys! BMX bikes are versatile and can let you become into the rider you want to be through experimentation and imagination. A 12 inch BMX bike won't hold you back and is crafted with durability in mind to stand up to all sorts of terrain.