![Everdon Rocketry plywood upgrades for Big Der Red Max 9721 29mmt version](http://everdonhobbies.com/cdn/shop/files/IMG-0920_{width}x.heic?v=1692314414)
Everdon Rocketry plywood upgrades for Big Der Red Max 9721 29mmt version
Everdon Rocketry Big Der Red Max plywood upgrades 9721
made from 1/8” birch plywood. Theses upgrades are more resistant than your standard Balsa fins
3x Centering ring size 29mm
3x Fin upgrades
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