Wheel Lock Assembly for the Invacare Tracer SX5 Wheelchair Rascal 600T ConvertAble Swagtron uses this size rubber

Swagtron uses this size rubber for the rear wheel on their SwagCycle series electric bikes

If you have a first generation Golden Technologies Companion scooter

The bracket has a 3 inch offset

and able to get a much greater between-charge endurance

Wheel Lock Assembly for the Invacare Tracer SX5 Wheelchair Rascal 600T ConvertAble Swagtron uses this size rubberWe offer our wheelchair customers the replacement wheel lock assembly for the Drive Tracer SX5 wheelchair. About the most complex part of any manual wheelchair is the wheel lock or brake assembly, and even these are the epitome of simplicity in itself. The wheel lock is made in a left side or a right side configuration but they are not interchangeable. Either side you select for your Tracer SX5 will include the rubber tip handle knob. Invacare: