evo.com | Industry Nine Wheels > Trail hunters looking for performance without selling a kidney? The Industry Nine Hydra 2 Enduro-S Wheelset delivers legendary engagement at a price that won't obliterate your racing budget. Hollow bead wall technology fights pinch flats while the steel spokes and aluminum rim keep you flying down technical descents with supreme confidence. Whether you're chasing Strava glory or eyeing a podium, these wheels will turn every pedal stroke into pure forward momentum. J-Bend Traditional and conventional flanged hubshell packed with i9 tech, but using a standard j-bend spoke and nipple. Hydra 2 Hub The groundbreaking 870 P.O.E. Hydra2 Freehub body engages every 0.41 degrees, yielding telepathic control. S-Series "S" is for "Steel" - Employing traditional j-bend steel spokes paired with I9's J-Bend hub series in an economical, easy to service package. Hollow Bead Wall Hollow Bead Wall promotes increased pinch flat protection and impact resistance. Hydra 2 Hub The groundbreaking 870 P.O.E. Hydra2 Freehub body engages every 0.41 degrees, yielding telepathic control. | Industry Nine Hydra2 Enduro-S Wheelset MX 2025 - 15x110/12x148, HG Size 15X110/12X148 Hg | Aluminum