8" x 2" Solid Urethane Caster Wheel Assembly for Invacare Power Chairs Xootr Venus A good wheelchair tray is

A good wheelchair tray is a most necessary wheelchair accessory for many people

With a good tail lamp shining behind you

The 20K Ohm speed potentiometer

Pride Mobility: SHDASMB4620

This seat post also includes two different pin holes at the bottom of the post for two different height adjustment positions

8" x 2" Solid Urethane Caster Wheel Assembly for Invacare Power Chairs Xootr Venus A good wheelchair tray isIf you want flat free, worry free performance from your caster wheels, and save money, consider this 8" x 2" solid urethane caster wheel assembly with 7 16" bearings for Invacare power chairs. Invacare used this size on their Invacare RWD series power chairs and as the front wheel on the Invacare Zoom HMV 400 scooter. This 8" x 2" caster wheel with 2" hub sports a solid urethane tire making it an economical replacement. Please check the Compatibility