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Customer Experiences 36H Chromoly Hub

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Product Description

The hub features a 4130 chromoly spindle with steel flanges. This hub is a classic and is time tested proving to be solid and dependable.

Includes a pair of high tensile strength bolts and 17 x 40mm double seal bearings.


  • Uses 40mm bearings.
  • Center Flange to center flange distance is 71mm.
  • Flange OD is 66mm. Flange width is 3mm.
  • Center bearing to center bearing spacing is 100mm.
  • The wider the space between flanges, the stronger the wheel. These flanges are much farther apart than those on most hubs. If you are not sure contact us before ordering.
  • Includes a pair of high tensile strength bolts and 17 x 40mm double seal bearings.

Hub Detail:

  • Flange Diameter: 56.2mm
  • Hub Width: 71.5mm
  • Spoke hole diameter: 2.8mm
  • Hub Drilling: 36
  • Spoke Interface: J-Bend

    Note: This hub utilizes 40mm bearings, and is compatible with 40mm frame/bearing housings.

Should you want to build the wheel, here is a link to the spoke calculator so you can find the correct spoke length you need.


Bearing Size:
Number of Spokes:
36 Hole
Type - Bearings:
Write Review

  1. Replacement Hub works in Sun 29er 4 Star Review

    Posted by on Feb 20th 2017

    Just transferred the rim and spokes from a Sun 29er unicycle wheel with no problems, wider hub OK, ticked frame a little but the spoke bends are tightening up and no longer ticking. Broke Sun hub, one sq. drive sheared off.

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