When we need a hard-charging wheelset for our mountain bikes, we don't need to look further than Industry Nine. Their Hydra Enduro 300 29in Boost Wheelset is a premium quality aluminum alloy wheelset designed for aggressive riders. The Enduro 300 has a unique triple-cavity rim that features Hollow Bead Wall technology for increased impact and pinch flat resistance. Combined with Industry Nine's top-tier Hydra hubs, the Enduro 300 29in wheelset gives us near-instant engagement, with the Hydra hubs harnessing 690 points of engagement for super-quick power to the pedals in technical sections.