From charging down steep descents to long days of mixed climbing and descending, the FSA Gradient DH i30 29in Boost Wheelset is a must-have for aggressive riding. Designed with an asymmetrical spoke bed, the Gradient DH i30 29inBoost Wheelset is durable, compliant, and tubeless compatible to take our performance to the next level. FSA's P. R. A. hubs give us fast engagement for putting power to the pedals, and Boost spacing ensures a stiff and durable platform to shred on.