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Remove freehub lockring by turning counter clockwise with pin spanner
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Using two 5mm hex wrenches, loosen the endcaps by turning them counter clockwise from each other
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For 135x10 endcaps, use a 17mm cone wrench for the driveside endcap and a 19mm conewrench for the non-drive endcap
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The driveside endcap will normally loosen first
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Slide freehub assembly off of the axle
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Be careful not to lose the pawls as they may fall while removing the freehub body
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Use an axle vise or insert the flats on the drive side of the axle into a smooth jaw vise
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While holding the axle in the vise, loosen the non-drive endcap by turning it counter-clockwise
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The preload adjuster may need to be held with a cone wrench while loosening the non-drive endcap
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Loosen the preload ring by turning it clockwise
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Slide the axle out of the hub shell by pushing from the non-drive side to the drive side
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At this point the hub is most of the way apart, you can service bearings, replace worn parts or just clean things up
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Next, Let's install the axle
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Remember the drive side of the axle is the side with the bearing surface for the freehub body
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Start by lightly greasing the axle and sliding it back into the hub shell
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Use an axle vise or insert the flats on the drive side of the axle into a smooth jaw vise
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While holding the axle in the vise, install the preload adjustment ring by turning it counter-clockwise
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Tighten the preload adjuster by hand
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Install the non-drive endcap by turning it counter clockwise
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Put two drops of medium strength threadlocker on the inner axle threads
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Begin threading in the non-drive endcap by turning it clockwise
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Lightly grease the face where the endcap and preload ring will meet
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Adjust the bearing preload using the preload ring
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Tighten the preload ring so the bearings no longer have play in them, but such that they also do not have excess drag
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When you are happy with the adjustment, hold the preload ring with a cone wrench and tighten the non-drive endcap
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Remove the axle from the vise
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Next, install the freehub assembly
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Learn how to lube the freehub properly using the freehub service instructions
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Slide the freehub body over the axle
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Turn freehub counterclockwise so that the pawls compress the springs and slide into the hub
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A tool may be used to lightly compress the pawls
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Put one drop of medium strength threadlocker on threads inside the driveside endcap
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Install the endcap by turning clockwise
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Tighten to 6nm
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Reinstall the freehub dust seal by turning clockwise
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tighten to snug
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Thanks for reading, now get out there and ride!
Thanks for reading, now get out there and ride!