[Specifications]
・Wheel bearing: Ball-bearing, Roller bearing
・Rim material: Plastic
・Tread material: Foamed polyurethane
・Tread color: Grey
・Tread type: crowned
[Features]
・GPSK wheels:
・plastic wheel center with ball and roller bearings
・tread made of expanded (foam) polyurethane
・the alternative to pneumatic tires
[Properties]
・minimal impact on floor
・absorbs vibration
・low rolling resistance on uneven floors
・(old designation:PSR)