Aggressive riding calls for an aggressive wheel. We trust the Industry Nine Hydra Enduro 300 Super Boost Wheelset to get us down the roughest and most technical trails out there. The Industry Nine Hydra Enduro 300 29in Super Boost Wheelset is a premium quality aluminum alloy wheelset designed for aggressive riders. This rim features 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 Super Boost 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.