The Hydra2 Trail Carbon is a versatile wheelset, light enough for XC racing one day and tough enough to handle park laps the next. Industry Nine optimized performance with front- and rear-specific carbon layups, each tailored to the unique demands they face, offering improved ride quality while keeping weight low. Industry Nine Hydra 2 Trail Carbon Features A 65% thicker axle that’s been redesigned to dissipate stress more effectively Larger 6903 bearings throughout , and a new labyrinth channel and full-contact radial lip seal to keep out elements that cause premature bearing wear Quicker 0.41° engagement and 60% less coasting drag than its predecessor A new, foolproof design to ensure consistent bearing preload, regardless of variations in axle tightness Larger, 5.5mm pawl pockets that distribute force 26% better, preventing deformation of the pockets over years of use Tougher metal for the drive ring and an extra tooth on each pawl, guaranteeing Hydra2 can easily handle the torque of the most powerful e-bike motors Hydra 2 Trail Carbon Specs Built For: Aggressive Trail Riders Position: Front & Rear Rim Model: We Are One 300 front, 290 rear Hub Model: Hydra 2 Spoke Model: i9 direct thread straight-pull alloy Weight: 1620 grams (29") Rider Weight Limit: 285 pounds or 129kg Warranty: 2 Years ( Click here for details ) Hydra 2 Hub Rotor Mount: 6-bolt Holes: 32 hole Points of Engagement: 870 Drive Ring: 145 tooth Pawls: 6 Engagement: .41 degrees Material: Aluminum We Are One 300/290 Rim Tire Width: 2.20" - 2.50" Inner Rim Width: 30mm front, 29mm rear Outer Rim Width: 36.5mm Included Valve: 40mm Presta Material: Carbon Rim Tape: Included and installed Tubeless Ready: Yes Rim Weight: 406 grams front, 427 grams rear Direct Thread Alloy Spoke Shape: Straight-Pull Material: Machined Aluminum Nipple: i9 Integrated, Aluminum Spoke count: 32