axle conversions
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6th Gear
Joined: Aug 2016
Posts: 14
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From: Eastern Shore,Md
axle conversions
2013 Fat Boy Lo, I have a new front end for it. It came with a 3/4" axle. How big a deal is it too convert the 25mm axle to a 3/4. I have read that its not that big of a deal. Wondering what you guys think.
Last edited by cashking63; Sep 8, 2016 at 10:29 PM.
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Joined: Jan 2014
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From: Central California
It isn't difficult. I put 2015 wheels on my '06 Deluxe. The back wheel was pretty involved because of the hub width, but the front was easy. Spacer bushings. I made mine on my lathe. So at worst, you're looking at having some made at a machine shop. I'd imagine that there are retail options.
I made mine so that the spacer and bushing were a single piece. It extended past the bearing to keep the center spacer centered too.
I made mine so that the spacer and bushing were a single piece. It extended past the bearing to keep the center spacer centered too.
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Joined: Mar 2009
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From: Niles Canyon Ca.
Converting the axle isn't the issue just find a used 1" axle at an indy shop and have a local machine shop spin it down to 3/4" I've done this a few times using later frontends on old shovels with 3/4" bearing wheels. What you will have to do is figure what spacers you'll need to center things correctly, isn't a plug and play deal.
Are you going to use the later wheel with bigger bearings or an earlier with the smaller bearings?
Are you going to use the later wheel with bigger bearings or an earlier with the smaller bearings?
Last edited by TwiZted Biker; Sep 9, 2016 at 06:38 PM.
Thread Starter
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6th Gear
Joined: Aug 2016
Posts: 14
Likes: 1
From: Eastern Shore,Md
Converting the axle isn't the issue just find a used 1" axle at an indy shop and have a local machine shop spin it down to 3/4" I've done this a few times using later frontends on old shovels with 3/4" bearing wheels. What you will have to do is figure what spacers you'll need to center things correctly, isn't a plug and play deal.
Are you going to use the later wheel with bigger bearings or an earlier with the smaller bearings?
Are you going to use the later wheel with bigger bearings or an earlier with the smaller bearings?
What i have is a '13 FLSTFB with a 25mm front axle. My new front end comes with a 3/4 axle. I think I found a kit to do the conversion. seems pretty simple. However you bring up a good point as to spacing. What is the best way to figure out the spacers? The original assembly was completely ****ed. No way to take any real accurate measurements.
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From: Niles Canyon Ca.
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6th Gear
Joined: Aug 2016
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From: Eastern Shore,Md
The stock wheel. I like the stock black with the brushed rim
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Club Member
Joined: Mar 2009
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From: Niles Canyon Ca.
Stock wheel for what the 13 or the 3/4" setup ? If the wheel is off the 13 it has the bigger bearings so what you would need instead a new axle is what's call bore reducers, these slide into the 25mm bearings and lets you use the 3/4" axle. They come in a number of configurations and act as spacers also.
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Joined: Oct 2012
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From: St.Louis Mo.
why would anyone want to use the 25mm bearings ? they are junk. i would try and figure out a way to use the 3/4 bearings. you will have a better bearing in there if it can be done. this is where a bearing supply house comes in handy.