Industry Nine

Industry Nine Hydra Classic FatBike Rear Hub

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Industry Nine Hydra Classic Fatbike hubs are designed for off-road punishment in messy environments. Hydra Classic hubs feature large diameter conventional flanges to improve wheel stiffness and allow the use of standard j-bend spokes. I9 Hydra series hubs are designed to accommodate a wide range of axle conversions via tool-free end cap swaps.

The Hydra Classic rear ISO Fatbike MTB hub comes in two shell options to cover all 170mm and 190mm variants. Both shells feature oversize butted 20/17mm axles, and a heavy duty gearbox with a 690 points of engagement for quick power transfer.  

Industry Nine hubs are 100% USA designed and manufactured in Asheville, North Carolina. 

Technical Information:

  • Weight: 299-317g (170mm shell), 342-360g (190mm shell)
  • Hole Count: 32
  • Axles Standard 170mm shell: 170QR, 12x170mm TA, 12x177mm TA
  • Axles Standard 190mm shell: 190QR, 12x190mm TA, 12x197mm TA
  • Bearings: 1x 6804, 1x 15307, FH 1x 152610, 1x 15267, Microspline FH 1x 152610, 2x 6802 
  • Drivetrain compatibility: Shimano HG MTB, SRAM XD, Shimano Microspline
  • Gearbox: 690 point, 0.52 degree engagement, 6 pawl mechanism
  • Colors: Available in 11 standard anodized colors
  • Wheel building specifications here
  • 2 year manufacturer warranty on materials and workmanship

Inventory Note: We stock a wide variety of Industry Nine hubs, however our inventory fluctuates daily. We may need to order hubs with an average lead time of 5-10 business days. Some hubs may take longer. If your order is time sensitive we encourage you to contact us for up to the minute product availability and shipping lead times.

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