Yup, a fair amount. Let us know what kind of slalom bike it is and we'll probably tell you to go find a better bike. But generally slalom bikes have 14-16" frames, front suspension, geometry set up for 100-130mm forks, longer back ends, 32t chainrings plus guides etc etc etc. Try and keep your bikes mutually exclusive, do it all bikes means compromising, and thats not always good.