Riding trail requires a bike that can do it all with ease take some hits and be ready to come back for more and when it comes to this nothing outperforms our new stumpjumper fsr carbon 650b frame youll find our fact 9m carbon fiber that creates a lightweight strong and stiff construction the carbon molding process also allowed us to revolutionize how you carry your trail essentials with the all new swat door found at the down tube this compartment will fit a tube a tool and pump with