the site has the specs for you to view if you have any questions call them they will inform you of anything you need . I talked to them this year, very helpful.
Y2K....two brace options..5.5 & 6.5..same riser as ES and G3..35-36"
2K1 two brace options...5.75 & 6.75..same riser as ES & G3 35-36"
IMO those models were less than fun to shoot..very light riser, lotsa shock, noise and recoil..I never even considered buying one 'til 2002 when it was put on a pro-series riser.
EDIT: wow..100 more posts and I get a prize, right?
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Shoot what you like and have confidence in - don't get wrapped up in popularity contests