Description
These tiny washers can have a dramatic effect on how your scooter performs.
In general, lengthening of the boss will give you better acceleration because the belt will sit lower in the front pulley.
A shorter boss will allow your variator to close more for more top end speed.
Contains 10 shims of each size .1mm, .2mm, and .5mm.
Compatible with any scooter that has a variator boss with a OD of 21mm.
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