The 2016 red passion 6 bolt 15mm thru axle 275 mountain bike wheelset from fulcrum is designed for lightness and power transfer without compromise this wheelset is a complete project in which every component material dimension and stiffness have been designed and finished to create a race ready wheel set this attention to detail makes all the difference especially when you need to trust your wheels in decisive moments during racing this wheelset is the 275 6 bolt model it is also ava