The Lightning uses custom made stainless washers for the rear hub axle
nuts that prevent damage to the rear drop outs from frequent wheel
changes.
CNC machined stainless steel for a life time of use.
This image shows the washer in
place
And then screw on the axle nut
and adjust chain tension and
tighten as normal
Wabi Cycles Rear Drop Out Protectors
This ghosted image
shows the washer in
place with the larger
of the 2 raised areas
toward the rear of the
bike
1.888.732.7030