T-Rex Racing 2009 - 2017 Aprilia RSV4 RSV4R Tuono V4 Front Axle Sliders Material = UHMW-PE (ultra high molecular weight polyethylene) NO CUT or plastic fairings modification required Fit Models: Aprili 2009 - 2017 RSV4, RSV4R, RSV4 Factory, 2011 - 2017 Tuono V4