The Hydra2 DH-S Rear Wheel combines i9's toughest aluminum rims with j-bend steel spokes to keep costs down while providing a wheelset that can withstand the harshest DH trails worldwide. Thanks to the hollow bead wall technology, pinch flats are a thing of the past, and Hydra2’s instant engagement gives you the precision needed to nail your dream lines. Whether you're tackling big hits on the descent or powering back up on the latest e-bikes, the Hydra2 DH-S is built to handle it all. Industry Nine Hydra 2 DH-S 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 Industry Nine DH-S Specs: Rear Wheel Hub Rim Spoke Parts/Upgrades I9 DH-S Rear Wheel Model: Industry Nine Hydra2 DH-S Built For: Full E and Full Send Position: Rear Warranty: 2 Years ( Click here for details ) Weight: 1090 grams (27.5"), 1150 grams (29") Weight Limit: 330lbs or 150kg 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: 32 hole Points of Engagement: 870 POE Drive Ring: 145 tooth Pawls: 6 Engagement: .41 degrees Bearing: Enduro Material: Aluminum I9 Grade 300 V2 Rim Model: Industry Nine Grade 300 V2 Tire Width: 2.30" - 2.60" Inner Rim Width: 30mm Outer Rim Width: 38mm Valve: 40mm Presta (color matched to hub) Material: Aluminum Rim Tape: Included & Installed Tubeless Ready: Yes Rim Weight: 590g (27.5"), 630g (29") Sapim Race Spoke Model: Sapim Race 14g Shape: J-Bend Material: Steel Nipple: Sapim alloy double lock Spoke count: 32 Hydra 2 Ceramic Upgrades Freehub: Ceramic Freehub Kit Bearings: Ceramic Bearing Kit Hydra 2 Replacement Parts Rim: Grade 300 V2 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