Hello bit of help needed I got a marin muirwoods 91 with original stem and the handle bars have been sawed down to buggery Ive seen a few pics of old Marins with risers on them and want to know if this is an easy fit and how far I can go with the rise 1 2 3 inch 40mm whatever really I dont want to put flat bars back on but dont want to waste cash on risers inch or 2 would be great so has anyone messed around before like this and come up with a conclusion ?