The Panaracer GravelKing lineup has expanded with some pretty cool new colors to customize your ride! Planning to tackle the Panaracer Psycho Killer 100 route? Our pick would be the GravelKing SK in 700x43 or 650bx48 to handle that one sandy spot... #barryroubaix #gravelroadrace #panaracergravelking #psychokiller100 #adventurebybike