[.:4:.]

I dont ride, my brother does. And he much prefers his current upright to previous sports bikes he has had for comfortablility for commuting. He has a z1000, so thats probably not what you're after, but maybe investigate uprights. My brother has compressed disks in his spine, so if he reckons an upright is a more comfortble bike to commute on, they cannot be that bad.