Originally Posted by Alice
Any Merc Agent, £15 for 3 cubes of rubber if I remember! Then a tenner for a tube of black Sikaflex!
About £1 each.
The square rubber ones for the small hub props need the be lubed up with a bit of Fairy and then carefully prised in with a screwdriver.
The round plastic ones just click in. Might need an "engineers tap" with a hammer to help them home.
Got mine from Marinautic in Poole.