I don't remember the 3 spd cassetts for mtn bikes. I remember when they first got popular it was a 5 spd with a double, then the big technology was a triple chainring. Whoa! 15 gear ratios' That was a BIG deal. Then 6,7,8 and 9. I really hope that the major manuf. don't go to 10 speed with mtn bikes. The 9 speed chains are too fragile as it is. If they keep getting smaller and smaller, I'm going to have to invest in a couple thousand dollars of N.O.S. 8 speed stuff. It's getting harder to come by as it is. (quality 8-speed I mean XT and XTR)
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger