The lightest and shallowest wheel in the performance line it is designed to do exactly as its name implies attack especially when the road points skyward the attack offers a tubeless ready 25mm cross section to support the trend toward wider tires ensuring a better tire profile and a more supple ride weighing in at a scant 1 365g this precision carbon wheel set is more than light its stiff responsive and an absolute joy to ride available in clincher only specifications weight