Strong like Ox. 

It’s lightweight. It’s 90mm mast track compatible. And its hydrodynamic profile makes a superlative connection to your board. The deep mast socket provides a tight, secure connection with your foil. Its low profile and slick form minimize resistance during touchdowns. We lightweighted the base while adding strategic internal struts to absorb stress from the mast stringers. And we opened the screw attachment points for quicker assembly. 

SLC Mastbase. Built to last. 

One size

Delivery: Mastbase comes with 4 M8x30mm Torx screws and 4 T-nuts.


  • 6063 ALUMINUM: Superior corrosion resistance. Aircraft-grade.


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