The AIRhub™ is the first and only on-road resistance training system in the world. The AIRhub™ allows you to shape your terrain, giving you back control out on the open road. Train solo or in a group and get the exact workout you need. Add your preferred amount of watts or use real-time metabolic feedback. The AIRhub™ automatically regulates resistance and keeps you in the perfect training zone. It is precision training as you have never seen it.