Universal 10" speaker ring, Made from Polyurethane. Will house most Subwoofers on the market and Midbass 10" Speakers. The ID through hole is a standard 9.125 and can be opened up to accommodate a bigger mounting basket. With a mounting OD of 10.7 These also have the JL TW-3 Tabs cut in. Perfect for drop rail saddle bags, Tourpacks, Trikes, etc or anywhere you can mount on a flat surface or contour the face to your needs. 

Comes with mounting hardware and a Speaker bolt in Kit. 

Custom Made Parts, all sales are Final