Tillett VTBI Steel Side Mount Seat Bracket Set - Suits Tillett B6/B7/B8/B9/B10/C1 SeatsCAR SEAT BRACKET SET. MADE FOR TILLETT SEATS B6*, B7, B8, B9, B10 & C1. The VTBi bracket system is designed to tuck under the seat to give a minimum footprint, this aids fitment into narrow and restricted cockpits. The VTBi brackets are made from 3mm thick black powder coated steel, with a revised edge profile which helps avoid the leg bulge. The brackets allow the seat to be tipped, raised and lowered using the various hole and slot combinations.