NC-17 Single Speed Rear Hub
„It's Paul 1sp“

Single speed is an exciting topic at the moment. Will Dirt and BMX come together in the long run? The NC-17 team are part of both worlds. In our hub we use the tried and tested original version of the freewheel rather than using a separated cog and freehub body. We have also reduced the overall size of the thread diameter of the freewheel meaning that it is now possible to run a 13 tooth cog rather than the 16tooth standard. The 13T freewheel comes with the hub as standard and is also available as a spare part.

By using a screw-on-freewheel a flatter spoke angle is possible giving a better centered and stronger rear wheel.

We do not like the usual MTB cartridge solution for two reasons. First of all, with a freehub body and single cog the pressure on the cog is passed onto the freehub body through a very small contact area and problems with damage to both parts commonly occurs over time. Secondly, pressure is put on the chain and freewheel by using a chain tensioner meaning that the chain and cranks freewheel less freely due to the additional friction in the system. Thirdly, using a tensioner is rarely as efficient at keeping the chain where it is meant to be as using a dedicated single speed system. So if you are thinking of running a single speed set-up then you are not going to find a better solution that the NC-17 Single Speed hub.

transmission ratio of freewheels with 13 teeth or
16 teeth:

ratio

| 1:2,46 |

1:2,62 | 1:2,77 | 1:2,9
chainring
at 13teeth

32

34

36

38

chainring
at 16teeth

39

42

44

46

 

You will find all the information you need to calculate the correct spoke lenght here.

Technical facts:

  • Material: 6061-T6 aluminum CNC-made
  • Axle width: 135mm
  • Holes: 32
  • weight: 294 gram
  • Incl. Disc adapter
  • Colour: black with laser engraving
  • Will be delivered incl. 13 teeth freewheel
  • Quick release mounting and also possible is M6 bolt mounting
  • Precision sealed bearing
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order number:

NC-17 single Speed Rear Hub
„It's Paul 1sp“ 32 holes,
incl. 13t freewheel and M6 bolts		6514

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