North Sonar Mast Shim – Foil Accessory
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Sonar Mast Shim
1.0° Trim Adjustment
Placing (shimming) the mast at the front edge raises the board nose and helps you maintain a more comfortable stance and better control at higher speeds.
Placing shims at the tail lowers the board nose at lower speeds (e.g., when pumping, dock starting, or downwind) and helps the foil get up on foil earlier.
Note: North Boards and Foils are designed to work optimally in their respective disciplines without shims. However, mast shims can be useful if you combine different Brands or use the board or foil outside their intended range.
- Mount at the front to trim the board more nose-up
- Mount at the back to trim the board more nose-down
- 1.0° Mast Shim
- Fits industry-standard foil mounts (165×90 mm)
- Stackable – use longer front or rear screws when using multiple shims (M8x33 mm screw set E)
- Compatible with existing M8x30 mm or M8x25 mm (Scoop Mini) DropBox screws on North boards
- Outline shape matched to the Sonar HM mast baseplate
1× 1.0° Mast Shim
