https://www.speedandagilityequipment.com/product/lateral-resistors/ - New Sportspeed Lateral Resistors for Sale. A great way to boost your performance level while being fit and burning calories along the way can be done while speed training with resistance bands. Basically, a resistance band can provide an athlete the additional challenge during training so that when the competition starts and the extra resistance is gone, they will achieve the explosive power and faster speed they need for a competitive advantage.