Installing the Axle Sider
To install the Darkhorse slider (and several other brands of axle sliders) the internal
hole must be enlarged to 1/4". While the right side opening of the axle is over-sized, the hole necks down to a small
diameter mid axle.
To enlarge the hole neatly on center, I drilled through the axle from the left end using an
extension, like below. The axles are hard and so I did this in three steps using carbide bits - first using a 5/32"
bit, then a 3/16", and finally a 1/4" bit.
After drilling, the left end of the axle opening looks like the picture to the right.
As manufactured though, the inside of the large axle opening on the right side of the
front axle has burrs in the holes that are used to hold the axle in place during installation. As can be seen in the
below picture, a few passes with a round file will knock the burrs down so that the right end slider button will fit
inside the hole.
After the burrs have been knocked off the internal ends of the cross drilled holes in the
right end of the axle, the slider button will install smoothly inside of the axle, like below.
When installed, the shoulder on the right end slider button will insert inside of the larger
axle opening, and the opening in the left end slider button will tighten down around the axle threads, fitting smoothly against
the axle nut. The end result is neat looking, secure, and very strong.
Here is the full view.
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