Evotech Performance Mirror Extension Brackets Triumph Tiger Sport 660 (2022+) (a) Equilibrium phase diagram for the TeO 2 WO 3 system. Download. Evotech Performance mirror extension brackets are easy to fit. Simply mount the new extension between your stock mirror and the original mounting post. This will give you an extra 50mm width adjustment, plus 30mm extra height. Our mirror extensions are CNC machined from aircraft grade billet aluminium. Finished in an exterior black powder coating for longevity. Secured in position using stainless steel bolts. Easy to follow pictorial instructions are available for download.