135mm to 150mm Hub Conversion- Mtbr.com
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  1. #1
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    135mm to 150mm Hub Conversion

    I'm pretty new to fat biking but I am interested in a 150mm Bluto fork. I currently have a 135mm hub but would like to change to, lets say a Hope 150mm hub. How hard is this to do while maintaining the same wheels? will I need all new spokes or will I be able to possibly reuse my current spokes. Thanks!

  2. #2
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    What kind of hub do you have now? If the flange diameters are the same, the spokes will work.
    If it's a Chosen of Salsa hub, you can add a spacer to the non drive side and just dish the wheel a little.
    I like turtles

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    Quote Originally Posted by NYrr496 View Post
    What kind of hub do you have now? If the flange diameters are the same, the spokes will work.
    If it's a Chosen of Salsa hub, you can add a spacer to the non drive side and just dish the wheel a little.
    I was looking into this option also, (its a bontrager from a farley 6) Does dishing the wheel affect ride or anything? I don't really know how that works. Thanks for the quick reply
    2010 Trek 3700
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  4. #4
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    Nope. Dishing the wheel that little bit won't hurt anything.
    I'm not familiar with the hubs on the Farleys so I can't help you there.
    I like turtles

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    Quote Originally Posted by NYrr496 View Post
    Nope. Dishing the wheel that little bit won't hurt anything.
    I'm not familiar with the hubs on the Farleys so I can't help you there.
    Lets say it is a 135x5 Hub. Would the spacers still work?
    2010 Trek 3700
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    Quote Originally Posted by WiscoJeepGuy View Post
    I'm pretty new to fat biking but I am interested in a 150mm Bluto fork. I currently have a 135mm hub but would like to change to, lets say a Hope 150mm hub. How hard is this to do while maintaining the same wheels? will I need all new spokes or will I be able to possibly reuse my current spokes. Thanks!
    yes, you will need new spokes. The spokes for a 135mm hub will com out short. If you have a hope 135mm hub, It can be converted with a kit.
    The bike is never to heavy, you are just to WEAK!

  7. #7
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    Can do new or machined end caps and a rotor spacer as well!
    Fatbike, XC bike, Gravel Bike....

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    Quote Originally Posted by solarplex View Post
    Can do new or machined end caps and a rotor spacer as well!
    This ^^. Depending on the hub, you may be able to get adaptors for your 135mm version and convert it to work with a fork that fits a 150mm hub. For example, Hope sells a conversion kit for Pro2 Evo 135mm hubs that does just that - end caps, rotor spacer and longer rotor bolts.

  9. #9
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    Quote Originally Posted by WiscoJeepGuy View Post
    Lets say it is a 135x5 Hub. Would the spacers still work?
    If a 15mm thru axle will fit through the hub, it will work. The older Hope 135 hubs were QR only and could not take a thru axle.
    I like turtles

  10. #10
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    Quote Originally Posted by MUSTCLIME View Post
    yes, you will need new spokes. The spokes for a 135mm hub will com out short. If you have a hope 135mm hub, It can be converted with a kit.
    Do you know if new spokes will be needed to go from a 142 spacing to 150? This is a smaller difference than from the 135 to 150...

    Going to be bumping my Salsa front hub out to 150 from 142 with Rolling Darryls.

  11. #11
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    Quote Originally Posted by Dynapar View Post
    Do you know if new spokes will be needed to go from a 142 spacing to 150? This is a smaller difference than from the 135 to 150...

    Going to be bumping my Salsa front hub out to 150 from 142 with Rolling Darryls.
    135 and 142 are the same, the axle is just longer on the 142. It really depends on the actual hubs in question. You can look up the actual dimensions of the hubs on the manufacturers websites, and then plug those numbers into any of the online spoke length calculators. If that's too complicated, just bring the wheel to your LBS and let them figure it out.

  12. #12
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    Quote Originally Posted by Dynapar View Post
    Do you know if new spokes will be needed to go from a 142 spacing to 150? This is a smaller difference than from the 135 to 150...

    Going to be bumping my Salsa front hub out to 150 from 142 with Rolling Darryls.
    You'll be able to dish it over just fine with your existing spokes.
    Jason
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