and square seat stays, and fancy butterfly stay bridge thingy, similar to the early Manitou FS bikes and sloping geometry on a pre disk frame.It's made of aluminium and has manitou forks......
So it must be
I'm going to go check the serial number, see if it's a Raleigh!Taiwanese made frame used by a couple different manufacturers late 90's.
Raleigh definitely ran that wishbone rear stay.
Not a manitou though for (un)fortunately depending on your feelings for them