years ago (10?) tested some kits, the best were the cmx style where the belt adjuster pushes belt out, more in a circle, easier on belt. still wouldn't have one, changed a couple on the hill for guys that had them. not fun.
one had the adjuster pushing in and it went thru 2 belts one day.
if you want strength go with hyvo gears and chain.
if you want lightweight, go on a diet. LOL
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