Need disc brake adaptor for mag wheels

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Ａｚｏｔｈ

New Member
Nov 11, 2017
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So I looked through all the old threads to not much avail. I got these mag wheels which are disc brake compatible, but I'm not sure what kind of adaptor will for with the 44t sprocket... I read on here I may need to downsize cause there may not be much clearance.. any help, suggestions or simple brain storming would be greatly appreciated. My bike has been out of commission for too long lol
 
waynesdata

waynesdata

Active Member
Jul 10, 2017
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I know this post is very old but someone else will need this info sooner or later.

I had the same issue.
I measured about 15/16" or 23.8125mm doing a quick down a dirty tape measure. So I used a 20mm disc rotor spacer from mbrebel.

Your wheel spacers can be moved around to account for the difference and errors in my measurement. The caliper will also have a small adjustment.

IMG_20190828_190629.jpg
 
Last edited:
Maphew

Maphew

New Member
Sep 3, 2019
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waynesdata said:
I know this post is very old but someone else will need this info sooner or later.

I had the same issue.
I measured about 15/16" or 23.8125mm doing a quick down a dirty tape measure. So I used a 20mm disc rotor spacer from mbrebel.

Your wheel spacers can be moved around to account for the difference and errors in my measurement. The caliper will also have a small adjustment.

View attachment 101942
Click to expand...
Hey man I'm having same issue about finding way to mount rotor on back with mag wheels. In the pic it doesnt look like there is a drive sprocket on the wheel...did u simply bount the drive sprocket first, then the spacer, then the rotor and use the same 6 bolts for all 3? I take my bike back and forth to work so flying down gravel daily I'm hoping to put the same hydraulics on the back as I already have on the front
 
waynesdata

waynesdata

Active Member
Jul 10, 2017
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I removed the drive sprocket. My brake caliper was rubbing on the drive sprocket. If your brake caliper clears your sprocket measure from your sprocket to the space between your caliper. that will give you your spacer size.

I am doing a shift kit build to solve the drive sprocket clearance and other issues.
 
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