Nothing better than ripping trail bikes with friends 🤠 If you were trying to make the most fun air-cooled 4-stroke engine, how many CC’s would you make it? @redbullmotorsports @redbull @motosportinc @rdrco.inc @bbrmotorsports 🎥: @gopro #TTR230 #CRF150F #trailbike @bbr707