The RCSTR5X2 is an upgrade caster for the R8RT and R10RT and also a replacement caster for the R6G & R11G. The custom-designed R-Trac Wide wheels feature low profile no-flat tires, lightweight and strong polymer hubs, low rolling resistance, pneumatic-like cushioning, vastly wider load dispersion over soft terrain, and a stunning racing-style look. These 5″ x 2″ brake casters are 50% wider than typical casters and can glide over soft terrain.
Caster stem is 1.5″ x .5″ with 13 threads per inch.
Sold as a set of 2 caster wheels with nuts and lock washers