6-7 Speed Microshift gear upgrade kit for the Charger/Seeker/Hellion 16" bikes. This kit converts the single speed drivetrain that is supplied with the bike from stock to either a 6 Speed (Seeker and Charger) or 7 Speed drivetrain(Hellion). Perfect to help starting to learn how and why the rider needs gears Microshift Estes short cage Derailleur Microshift Estes Thumb shifter Microshift 7 Speed 12-28t Cassette (for 6 Speed set ups 13-28t) KMC X9 chain Gear cable inner and outer supplied (May need cutting to length) Compatible with the following models Charger 16 (2026 onwards) Seeker 16 (2026 onwards) Hellion 16 (2024 onwards) View the fitting instructions here Please note: That if being set up as a 6 speed set up (Charger and Seeker), the 12t cog supplied is redundant. The 7th gear in the shifter will also become a dummy gear and is tuned out when gears are being set up.