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Qu-Ax Q-Axle Disc Hub, 36 Hole - Red

Qu-Ax Q-Axle Disc Hub, 36 Hole - Red

The ISIS axle has here been replaced by a technique that has been used in the cycle industry since 2002:

The axle has a 24mm diameter instead of the ISIS-typical 22mm and is more hollow which makes it lighter (the bigger diameter allows a thinner wall).

The cranks are no longer tightened as much on the axle as possible - but precisely positioned by an alloy cap and then fixed by tightening 2 allen-key-screws on the crank.

The crank-connection has less wear and is more resistant to frequent assembly/dissassembly.

Also, just like from tapersquare to ISIS, the connection-surface that transfers the pedaling-power is bigger.

Thanks to the more hollow-drilled axle, already the hub is more than 130g lighter than its ISIS-predecessor.

It also makes the axle stiffer.

As the bearings still keep the same outer-diameter, the hubs are compatible with all ISIS-ready-frames.

  • Splined spindle crank interface
  • 42mm Qu-ax Bearings
  • 100mm Bearing spacing
  • 386g (+/-5g)
More Information
Bearing Size
Bearing Spacing
Crank Type
Number of Spokes
36 Hole
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   Frequently Asked Questions and Answers

  • How to remove Qu-Axle cranks

    It is sometimes difficult to remove the cranks from a Q-Axle hub. These hubs/cranks are splined with a single larger space to keep direction correct. There is no crank extractor for this kind of hub so you need to widen the pinch of the crank. Here is ...
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