Wheelchair friction drive ring

Wheelchair front fork

Wheelchair hand propulsion apparatus

Wheelchair hand rim

Wheelchair hand rim

Wheelchair handle

Wheelchair handle bar mechanism

Wheelchair handrim assembly

Wheelchair having a double turnbuckle height adjustment

Wheelchair having a pivot provision adjacent the knee of a user

Wheelchair having a single tube bend

Wheelchair having adjustable backrest

Wheelchair having anti-rollback mechanism

Wheelchair having apparatus for climbing stairs

Wheelchair having foldable backrest module and seat module

Wheelchair having freewheel handle and brake assembly

Wheelchair infant carrier accessory

Wheelchair kit for a folding chair

Wheelchair latching device

Wheelchair lighting system