How do you improve on near-perfection? It's quite possible that the answer to that question is the Reaction SL. Light, agile and equipped to take on any trail and any competitor, it's the bike that will transform any ride into a motion-blurred celebration of speed. With our newly revamped 2018 Reaction frame and a component selection that reads like a wish-list, your legs will be screaming for you to stop long before you want to give up. Fox's plush 32 Rhythm fork, Shimano's peerless XT transmission and brakes and fast-rolling, CUBE-built wheels complete a package that's ready to rock. The question is, are you?