The yeti sb6 carbon 275 mountain bike 2017 is built to take a beating delivering unbeatable capabiltity across the toughest terrain with a frame design tested and verified by world champion richie rude on enduro tracks around the world the sb6 is tough enough to handle the rigors of enduro racing lift days in the park and still light enough to slog out big miles in the back country the sb6 is tested under heightened frame requirements to withstand more abuse tested to stiffness and impact