Keeping your ebike safe and sound has never been this easy. Bundle up and save $39! The Rad Fat Tire Wheel Lock clamps down on the rear wheel to prevent would-be thieves from riding off with your ebike — and this kit includes everything you need to use it right away. Includes: Rad Fat Tire Wheel Lock Rad Wheel Lock Security Chain - Long Compatibility: Compatible with: RadExpand 5 RadExpand 5 Plus RadRover 6 Plus RadRunner (MY2025) RadRunner Plus (MY2025) RadRunner Max Radster Trail Radster Road Legacy Compatibility: RadRunner 2 RadRunner Plus RadRunner 3 Plus Important! Please note that some bikes or bikes with specific accessories installed need the Rad Fat Tire Wheel Lock Mount (sold separately) to use the Fat Tire Wheel Lock. RadRunner Plus (MY2025) - when Range Extender is installed RadRunner Max - when Range Extender is installed RadRunner 3 Plus - when Range Extender is installed RadWagon 5