5"x1.75" Flat-Free Caster Wheel Assembly for Jazzy Select Traveller, Z-Chair, and Go-Go Go-Chair Power Chairs (WHLASMB1765) NAKTO Pony 20 City Cargo GC421 has the pot and

GC421 has the pot and the wire harness

and the pre-installed 6200RS bearings

As a hub motor AND rear wheel unit

Only works on models with serial numbers S6324704016C30 and Prior

The wiring harness comes with all four connectors needed for installation: 3 single-pin connectors

5"x1.75" Flat-Free Caster Wheel Assembly for Jazzy Select Traveller, Z-Chair, and Go-Go Go-Chair Power Chairs (WHLASMB1765) NAKTO Pony 20 City Cargo GC421 has the pot andFlat free caster wheel assembly for the Jazzy Select Traveller, Z Chair, and Go Go Go Chair power chairs: black rim gray tire, 5" X 1. 75", offset, with bearings & spacer, C 1203 007,(GALLOP: PU0500801). Note: This wheel assembly is only compatible with Go Chair units manufactured prior to J6633804001C30. If your Go Chair was made after that number, or from 2016 and later, you will want the 6" Black Caster Wheel Assembly for the Go Go Go Chair (2016 &