Stacyc Chain Upgrade Elevate your Stacyc electric balance bike experience with the Stacyc Chain Upgrade a premium drive chain enhancement designed specifically for the 18eDrive or 20eDrive models. This upgrade promises not only heightened performance but also hassle-free installation, thanks to the inclusion of an easy-to-install clip-style master link. Features: Premium chain upgrade Pre-determined length dependent on eBike model Factory lubricated and ready to ride Clip style master link