Author: Bolton Ebikes via YouTube
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https://www.youtube.com/channel/UC8pIKzo5py1zt3U2O-Bqo3A/join
Get The RadPower Upgrade Here: https://boltonebikes.com/products/2019-radpower-upgrade-kit-with-tail-light
A game changer for the Radrunner in regard to hill climbing and power. Also works on other select models of Rad Ebikes.