Had them forever, but I know you can buy them individually pretty cheap. They have a cutout
for the canoe rail that fits the tube quite nicely. They are very dense foam. My axle has a sleeve
on it so I am going to replace the bolts in the sleeve with eye bolts for a better tie down point.
-- Pete Knapp
Schodack landing,NY
Goodall Viper,AHPC Viper,Nacra I20 --