Converting 2010 Industry nine hub from 142mm to 135mm- Mtbr.com
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  1. #1
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    Converting 2010 Industry nine hub from 142mm to 135mm

    I wanted to try out a set of i9s on my DJ without spending much money, so I got a 2010 set. Trouble is the rear hub is 142mm x 12 and I need 135 x 10... the diameter conversion is easy using an ebay axle adapter, but getting it down to 135mm is confusing as I've never owned an i9 hub. The seller provided a zip loc bag of bits which he said had some of the parts to convert it back to the original 135mm (but he'd lost others). I've never worked on an i9 hub before.

    My guess is that the axle for 135mm and 142mm is the same, just the end caps differ. On my other wheels, there is literally one piece to each end cap. The i9 has more pieces.

    I didn't see that there's anything for me to do on the drive side. I installed the single speed conversion and that's all?

    On the non-drive side, there are two parts to the end cap.

    The piece closer to the hub threads on and I swapped this to another in the ziploc that was less wide. Then there is a hollow cylinder which press fits into the threaded part; see below. It looks like the wheel would fit into my frame without this part, except obviously the soft aluminum of the inner part would get chewed up. I'm guessing the part I have is for 142mm, because when placed against the frame, my brake rotor would be too far inboard.

    If I haven't missed anything else, I'm inclined to take a belt sander to the below pictured piece as I have no plans to use this wheelset for anything else and I'm not paying i9 for the whole conversion kit (which IIRC is like $70).

    So far the front wheel, although the inner rim diameter is pretty narrow by today's standards, feels pretty darn good (and I switched it from 15x100 to 20 successfully). I haven't even thrown the Tubolito on to get it even lighter.

    Thoughts?
    Attached Thumbnails Attached Thumbnails Converting 2010 Industry nine hub from 142mm to 135mm-20191024_155338.jpg  

    Converting 2010 Industry nine hub from 142mm to 135mm-20191024_155351.jpg  

    Converting 2010 Industry nine hub from 142mm to 135mm-20191024_155413.jpg  

    Converting 2010 Industry nine hub from 142mm to 135mm-20191024_160152.jpg  

    Converting 2010 Industry nine hub from 142mm to 135mm-20191024_160515.jpg  

    Converting 2010 Industry nine hub from 142mm to 135mm-20191024_160605.jpg  


  2. #2
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    Shoot me an email and I can get you a set of endcaps to replace those ones. The axle itself was the same, just the 142 endcaps are longer. We aren't making parts for those anymore so what we have left is all we'll get again. [email protected]

  3. #3
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    Sweet, thanks! Email sent. This is sort of a test run to see if I should drop the money on a custom i9 wheel build for my MTB Should get my DJ to sub 23 lbs in the mean time.

  4. #4
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    Apparently I got the last of the end caps so for anyone else in this situation, here are the end cap dimensions. Should be easy to make with a lathe, might even work to 3d print in metal via a service like imaterialise.

    Sent from my SM-G955U using Tapatalk

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