Allen Optimist Deck Ring Select (See Table Below):AL-0480 75MM OPTIMIST DECK RING - EACH Flange: 1-1/4" (31

Flange: 1-1/4" (31

The Scanstrut Rokk Mini self-adhesive surface mount (only) is suitable for the following devices:

The B400 has universal control mechanism that allows for both "push" or "pull" for throttle and shift

Brass valve - easy to read pressure gauge

Hidden from view

Allen Optimist Deck Ring Select (See Table Below):AL-0480 75MM OPTIMIST DECK RING - EACH Flange: 1-1/4" (31Optimist deck ring. The inner diameter allows maximum fore aft play with minimum side play. It has four holes ready for mounting onto the deck. For best results use with the Optimist Mast Ring AL 0490 Spec Sheet Part Description Length mm Width mm Thickness mm Fixing Hole Centres mm Weight g RRP Inc VAT Unit AL 0480 Optimist Deck Ring 85 78 3 54 21. 5 25. 68 EACH