Proton Step-Up "FINS" "FCS" 13 cmBase: 4

13    cmBase:       4

5'7 x 19 1/8 x 2 3/8

they were inspired to create a balanced longboard that could do it all—from tip to tail—at the very highest levels of performance possible

6'1 x 20 1/2 x 2 5/8

Low entry rocker along with single to double concave with vee make this board really motor

Proton Step-Up "FINS" "FCS" 13 cmBase: 4The 2010 late winter saw the Proton Step Up become the most common step up in use with the CI team. With its pronounced rocker, it is a natural choice for steep faces and on rail surfing. Single concave gives the board plenty of drive for critical situations. Scale up with your same width and thickness.