puch 21 tooth front sprocket. specially produced for the people of treatland.
you'll have to grind your case a little to get this to fit. or let your chain do the work, if you're dummy.
for going even really faster on your 2 speed ZA50
if you want some other choices for gearing check out these
sprockets!
maxi magnum newport dart swinger freespirit pinto daimler
