These look like good bang for the buck, has anyone tried them?
https://www.t-rex-racing.com/2012-2015-Super-Tenere-Axle-Slider-Combo-p/n77-12frcombo.htm
https://www.t-rex-racing.com/2012-2015-Super-Tenere-Axle-Slider-Combo-p/n77-12frcombo.htm