SubStraight ADV for KTM 950/990 AdventureDont submit to a weak subframe The SubStraight ADV is a lightweight precision engineered laser cut stainless steel bracket. It reinforces vulnerable areas in KTM 950 990 Adventure bike subframes against cracks and breakage. If your subframe fails, you will suffer from an expensive and heartbreaking case of adventurus interruptus. Don't wait till you need to weld Until now, the fix was to remove the subframe, take it to a welder, get the cracks welded