... resistance and mute features pu tyres 250-4:1:wheel:6"*2" 8"*250-4 10"*300-4 ...2. PAHS REACH3,Top quality ,quickly shippmentpu tyres ... wheels,solid rubber wheels, powder rubber wheels,semipneumatic wheels,flat free polyurethane wheels(pu wheels),truckle etc. Specification:rubber wheel1)pneumatic ... : 6''X2'',3)8inch : 8''X2.50-4,4)9inchi : 9''X3.50-4,5)10inch : 10''X3.50-4, 10''X3.00-4,6)11inch ...