Ns bikes soda slope dirt jump bikethe ns bikes soda slope dirt jump bike is sam pilgrims choice for big courses as this is a slopestyledirt bike that can go where hardtails are just not enough the heart of the bike is a burly frame with a concentric bb pivot system this bike can be run in single speed mode or can be used with a derailleur for freeriding ns bikes applied the same geometry concept that is used in their hardtails so anyone who likes the feel of the metropolis bikes or hardtai