North Sonar Mast Shim 25.1 NKB Electric Orange - Smoothest riding

Orange - Smoothest riding

RCS allows you to fine-tune the handling

If you’re a traveller

now the inserts sit in two separate inserts

No security finger

North Sonar Mast Shim 25.1 NKB Electric Orange - Smoothest ridingShimming your mast under the leading edge will trim the board nose up and help enable you to regain a more comfortable stance and control over the board at higher speeds. Shimming the mast under the trailing edge will trim the board nose down at lower speeds (e. g., pump, dockstart, or downwind), helping the foil to engage foil sooner. NOTE: North boards and foils are designed to work together for their intended discipline without the need for