The red passion 6 bolt 29 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 29 6 bolt model it is also available in 275 and with the afs brak