The SLX XT is replacing the 2016 CASITAS. The 2019 SLX XT will have a HAGANE body while the 2016 CASITAS had a composite body. Biggest difference with 2018 SLX is the application of new SVS INFINITY. This will offer the angler a much wider brake adjustment range compared to that of the VBS brakes in the 2018 SLX.