The custom-designed R-Trac Wide wheels feature low profile no-flat tires, lightweight but strong polymer hubs, low rolling resistance, pneumatic-like cushioning, vastly wider load dispersion over soft terrain, and a stunning racing-style look. 8″ x 3″ brake casters are 50% wider than typical casters and can glide over soft terrain.

TheRCSTR8X3 is a replacement caster for the R18RT and can be purchased as an upgrade caster for the R12RT.

Sold as a set of 2 casters