Chromag is using a tried and tested 4-pawl arrangement with 36 points of simultaneous engagement. What sets it apart is the large radius that the pawls are positioned on, reducing leverage at the point of engagement.
We opted for a Chromoly steel axle for stiffness and longevity. Using steel allows a smaller diameter axle which in turn gives more room to use larger, sealed bearings (USA made enduro bearings). The rear axle assembly uses thread-on end caps which are easy to service and resist compression from the frames axle (they don’t fall off during trailside repairs either!). R4 front hubs are available with standard or ‘torque’ end caps and rear hubs are available with XD, HG, or Microspline drivers. All parts for servicing are supplied to ensure that R4 hubs can be maintained well into the future!
Axle Diameter // 12mm
Spacing // Boost 148mm
Driver // XD, HG or Microspline (please request in order notes)
Tubeless // Tubeless Ready, Taped, Valves Included
Engagement // 4-pawl, 36 Point
Spokes // 32
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