If your idea of training or racing is giving it your all in a multi-hour adventure or you're competing in multiple racing heats during a day, then Roctane is for you. GU Roctane Ultra Endurance Energy Gel comes from years of testing scientifically proven formulas with thousands of elite athletes training for and competing in the most physically demanding sports in the world. Roctane Energy Gelís advanced formula amplifies GUís original Energy Gel recipe and adds new ingredients to boost your chances of success. Now itís your turn to fill your tank with premium Roctane and compete like a pro. 8 Ė 1.1 oz./32 gram packets. This item is nonreturnable.