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    Default 06 Sportster Narrow- to 48 Mid-Glide Conversion

    Searched all day today on here and other forums, to no avail.

    Recently purchased a 48 mid-glide front end here on CC Classifieds. It's currently en route. I've been wanting to do the conversion for awhile but it just seemed way more expensive than I was willing to pay. Of course taking it to HD was out of the question because I don't feel like getting my bank account pillaged. However, now that my fantasy is on it's way to becoming reality, I've got some questions. Like, a lot of questions. I'm hoping somebody here can just drop some knowledge on me.

    Here's what I have:
    06 XL 1200L
    Stock narrow front
    Stock 19" wheel
    Basic hand tools
    Somewhere between beginner and intermediate mechanical skill
    No fab equipment/experience

    Here's what I'm getting:
    stock 48 mid glide front (year unknown, don't think it matters) from top clamp to axle

    Here's what I know:
    48 came with a 16" wheel with a 25mm hub
    My 19" wheel has a 3/4" hub
    I have a spare rear mag. Specs unknown

    Here's what I don't know:
    Specs of axle for either front end
    Whether or not my 19" will fit on the mid front axle
    ---If not, what needs to be changed to make the 19" fit
    Whether or not my brake caliper will fit the mid front
    How large a spacer will be needed on the 19" wheel to make the disc align with the caliper

    Plan A: slap the mid on there with my 19" wheel. I need to figure out a complete list of things that I need that I don't have, be it spacers, adapters, bearings, etc.

    Plan B: clean up the spare rear I have and make it my new front. Need to know the same things as above.

    Plan C: don't really want to end up doing this. Easiest, most expensive method. Buy a 48 wheel and skip the wheel conversion process altogether.

    Now, if anybody has any information to help fill in the blanks, it'd be much appreciated. Thanks in advance.

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    Ugh just typed a really long reply on my phone and somehow it didn't post. Fml

    Short version:

    Contacted Vulcan works. They make a mid glide conversion. What they told me I'll need:
    Brake disc spacer, .718"
    Right side axle spacer, .540"
    Left side axle spacer, .312"

    And I'll need to convert my 3/4" hub to a 25mm hub. This is where I'm really confused. How do I do that?

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    Just swap bearings and the inner spacer. The 25mm will most likely be sealed not tapered (aka timpkin) but you still need to set up priper endplay (zero for sealed bearings). VW is probably right. But you never really know what spacers you actualy need until you start mocking for assembly.

    theGreatSkyFather

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    Quote Originally Posted by Sky View Post
    Just swap bearings and the inner spacerr
    Don't the 3/4" Timken and 25mm ball bearing have different OD?

    Bob

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    Quote Originally Posted by Sky View Post
    Just swap bearings and the inner spacer. The 25mm will most likely be sealed not tapered (aka timpkin) but you still need to set up priper endplay (zero for sealed bearings). VW is probably right. But you never really know what spacers you actualy need until you start mocking for assembly.

    theGreatSkyFather
    I don't know the difference between sealed and tapered, nor do I know what end play is.

    I'm trying to do as much of this myself as possible, so I only want to visit/pay a machine shop once. Local HD has a custom machine shop but they charge $90/hour so I want, if at all possible, to get my numbers right before I place an order.

    I'm wondering if buying a used wheel from 07+ (25mm) would be just as cost effective as buying/getting fabbed/installing new hub guts.

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    If you sold your existing wheel and bought the 48 wheel you might would break even. Heck you might could do a straight up trade. In the trade include your spacers and axle for their setup.

    Quote Originally Posted by toast View Post
    I don't know the difference between sealed and tapered, nor do I know what end play is.

    I'm trying to do as much of this myself as possible, so I only want to visit/pay a machine shop once. Local HD has a custom machine shop but they charge $90/hour so I want, if at all possible, to get my numbers right before I place an order.

    I'm wondering if buying a used wheel from 07+ (25mm) would be just as cost effective as buying/getting fabbed/installing new hub guts.

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    Quote Originally Posted by Stlmikie View Post
    If you sold your existing wheel and bought the 48 wheel you might would break even. Heck you might could do a straight up trade. In the trade include your spacers and axle for their setup.
    Possible. But I don't want a 16" up front, I want my 19. I may buy an 07+ wheel if it turns out that changing bearings and making spacers for my pre-07 is gonna take too long.

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    Yeah. I forgt you're wanting to keep the 19.

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    Just came across this old thread and it's exactly what I'm doing now. What specs did you end up with if/when you completed the conversion?? Got a mid glide but wanna put a 21" on front with spacers.

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    Quote Originally Posted by bobscogin View Post
    Don't the 3/4" Timken and 25mm ball bearing have different OD?

    Bob
    They do, but the 2006 XL should have sealed bearings, so the OD is the same between 3/4" ID and 25mm ID bearings.

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    Quote Originally Posted by psychedelicsalsa View Post
    Just came across this old thread and it's exactly what I'm doing now. What specs did you end up with if/when you completed the conversion?? Got a mid glide but wanna put a 21" on front with spacers.
    I'm doing the exact same thing right now as well. Interested to know what spacers are needed. Anyone want a 16x3 front wheel off a 2016 48?

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    How much are you asking for you're front wheel?

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