Day 16 of the Singletrack Christmas Countdown gives you the chance to win amazing Effetto Mariposa prizes fro Upgrade Bikes. This collection of Effetto Mariposa goodies includes a tool keg with everything you need inside it to convert your wheels from tubed to tubeless. Then…
effetto mariposa
Interbike 2015 with Effetto Mariposa
Now comes in a single-use sachet - with an App. A tubeless tyre App!