A small part indeed, but one that keeps dust, dirt, grit, and corrosion from your caster assemblies. The rear headtube cap for first generation Invacare Pronto M50, M51, M61, and M91 power chairs manufactured prior to January 19, 2005.
Please note that this cap only fits those Pronto M51 power chairs manufactured prior to January 19, 2005. If your power chair was made after that date, you need our second generation
Caster Wheel Headtube Cap for the Invacare Pronto M50, M51, M61, and M91 ⚠ WARNING California Residents:
Proposition 65 Warning