Trek 990 | triple butted, lugged, XO True Temper - Made in A… | Flickr
1992 Trek 990 | Mountain Bike Reviews Forum
1992 Trek 990 | Mountain Bike Reviews Forum
shmoos cycles - Trek Singletrack 990 frame dimensions are: seat tube centre to centre 18 1/2" seat tube centre to top is 20" 22 1/2" top tube length frame material is True