I've got lowered bike 2 inch back and front, too much !!!!front is too hard and my rear fender (mudguard)hits chain guard sometimes I think 1 inch is ok and no problems
Grzegorz ......55 cubic inches http://www.flickr.com/photos/25172906@N06/ 904WisecoTPUSAcamsTTPignitorgutted Airbox"breath"airIntakeKeihinCR-ScarbsBlackEpcoExhaustS/SwheelsPortedPolishedHead