Top Racing SV1 Speed Variator for Kymco, SYM horizontal, 139QMB/QMA
![](https://euroscooterparts.co.uk/media/catalog/product/2/1/21356_1.jpg)
Click on the image below to get zoomed view of the item
This component will fit the Kymco Cobra Cross / Top Boy 50cc SF10AF / SF10AG / SF10AK) Scooter
![](https://www.naraku.co.uk/media/manufacturer/Top Racing.jpg)
Product Description
This quality variator set from European manufacturers Top Racing is a must have piece of kit.
Supplied as per image with 3 sets of rollers, 8.5g, 7.5g and 6.5g for you to find your preferred set up.
This kit will provide and increase in accelaration and top speed.
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