24" (540mm) Primo Sentinel 12 Spoke Wheelchair Wheel and Tire Assembly! We are offering this beatiful, lightweight rim with black anodize pushrim and WITH THIS ALL TERRAIN TIRE ,THIS IS A PAIR 

• Featuring 12 straight pull spokes for for less fatigue on the hub (spokes come straight out of the hub without bending and in black color.
• Having only 12 spokes makes the rim easy to clean and maintain
• Double walled aluminum rim for added strength
• Standard black anodized aluminum 6 tab pushrim
• Hub width (from bearing to bearing) is 2"
• 1/2" inner diameter precision bearings Included 
  
• Primo Sentinel High Pressure Pneumatic tire with flat guard technology is included in the price
• 6 tab anodized aluminum pushrim with two hole adjustment (standard)
• Weight of each wheel is approx. 3.8 lbs including tire and anodized pushrim
• Weight capacity is 250 lbs
• Sold as a complete pair, assembled and ready to be assembled on your chair
•  with flat free tire in black color, 

24 in. (540) Primo Sentinel 12 Spoke Wheelchair Wheel and Tire - Fitment Notes and Hub Size
Fits a variety of wheelchairs from Invacare (Top End), TiLite, Quickie, Colours, Ki Mobility and many anyother brands using standard 24" (540mm) wheels. This wheelchair wheel fits wheelchairs using standard 1/2" inch diameter axle bolt or 1/2" inch diameter quick release axle. To know if your existing axle will work, add the width of the hub (2" - measured from bearing to bearing) and add it to the length of your axle carrier tube on the wheelchair and add approx 1/2" for the axle nut. If the axle is not long enough you will need to get a longer one. If you are using quick release axles, the length of the axle is measured from the underside of the adjustment nut to the start of the retractable ball. Most quick release axles have an adjustment up to a 1/4" for a snug fit.