Carey Hart on Instagram: "Getting it done in this hot ass shop!!!!!! Speed bag is amazing for upper body cardio, timing, and endurance. I’m surprised more Mx riders don’t put this in their work out since so much cardio training is lower body other than ski-erg. Train harder than I ever did to keep up with these kids! Not bad for an old timer. 👴🏻🤣. Have a great week🤘🏼🤘🏼🤘🏼."