4" x 1 1/2" Hollow Spoke Composite Caster Wheel with 5/16'' bearings by Pr1mo. Hub width: 1 1/2". Bearings included. Solid Urethane, rounded profile tire. Fits most ultralight wheelchairs. Sold in Pairs,
FEATURES:
- Size: 4" x 1 1/2"
- Bearing I.D. 5/16" 608-RS
- Bearings included
- Black composite caster rim
- Hub width: 1 1/2"
- Solid urethane, rounded profile tire
- Fits most ultralight wheelchairs