You have 5 choices for this product. Options that we have more details about will show below.

6" Composite/Urethane 3 Spoke

Price: + $42.00

Solid casters allow your 9000 SL to easily roll and turn. These casters are maintenance free but be offer a little harder of a ride than semi pneumatic options.
* Not available with 20" or 22" seat width 

8"x1" Solid Rubber; Charcoal

Price: + $42.00

The solid charcoal gray tire allows your wheelchairs to easily roll and turn. This 8" caster also allows the chairs to maneuver outdoors and over longer carpet unlike some small caster options.
*Not available with 20" or 22" seat width 

8"x1-1/4" Pneumatic w/ Flat Free Insert

Price: + $78.00

Pneumatic casters have a semi solid core and offer mixed benefits from both air and solid options. Pneumatic casters with flat free inserts offer a softer ride like an air option but have the low maintenance benefit of a solid caster.