For more aggressive lines, longer stages, and high-speed runs, the Hydra2 Triad System Aluminum 6-Bolt Wheelset has you covered. Its reinforced rim profile and pinch-flat preventing hollow bead wall withstand tough hits, while Hydra2’s ultra-fast engagement powers you through rocky tech sections and sharp switchbacks effortlessly. Paired with i9's reliable, customizable straight-pull aluminum spokes, these wheels are built to keep you confident, from the first descent to the final sprint for the podium. 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 6069 Hollow Bead aluminum wheel system tuned for everyday reliability, balanced handling, and all-around performance Wheelset Hub Rim Spoke Parts/Upgrades Hydra2 Triad System Aluminum Wheelset Model: Industry Nine Hydra2 Triad System Aluminum Built For: Big Mountain and Enduro Riding Position: Rear Warranty: 2 Years (Click here for details) Weight: 1834 grams (27.5"), 1862 grams (MX), 1909 grams (29") Weight Limit: 290lbs or 132kg max Wheel is shipped tubeless-ready and includes the rim tape and valve installed. I9 Hydra 2 Hub Model: Industry Nine Hydra2 Rotor Mount: 6-Bolt Holes: 28-hole front, 32-hole rear Points of Engagement: 870 POE Drive Ring: 145 tooth Pawls: 6 Engagement: .41 degrees Bearing: Enduro Material: Aluminum WAO Triad Aluminum Rim Model: We Are One Triad Aluminum Tire Width: 2.30" - 2.80" Inner Rim Width: 30mm Outer Rim Width: 38mm Rim Depth: 21.3mm ERD: 560 (27.5"), 598 (29") Valve: 40mm Presta Material: Aluminum Rim Tape: Included & Installed Tubeless Ready: Yes Rim Weight: 540 grams (27.5"), 575 grams (29") Industry Nine Alloy Spoke Model: i9 Proprietary Alloy Spoke Shape: Straight-Pull Material: Machined Aluminum Nipple: i9 Integrated, Aluminum Spoke count: 28-hole front, 32-hole rear Hydra 2 Ceramic Upgrades Freehub: Ceramic Freehub Kit Bearings: Ceramic Bearing Kit Hydra 2 Triad Replacement Parts Rim: WAO Triad Aluminum Rim Freehub: Complete Freehub Kit Bearing: Hub Bearing Kit Bearing Tool Kit: Bearing Tool Kit Front Axle: Front Hub Axle Rear Axle: Rear Hub Axle Front EndCaps: Front EndCaps Rear EndCaps: Rear EndCaps Pawl: Freehub Pawl Pawl Spring: Freehub Pawl Spring Tubeless Valves: Tubeless Valves