As the snow falls and the temperatures dip many of us cyclists have to make a tough decision: break out the trainer and stay fit or indulge in a little “rest and recovery” over at the local watering hole. The crew down in Chicago figured out an alternative for the best of both worlds. Planet Bike helped support the IROSprints, a four-up sprint race held on rollers. The fastest person in each heat advances to the next round with the winners taking home some great product. Find out how it all went down here.