HD 3mm TUBE 21x300 STI, TB0130X EXTREME INNER 80/100

Part No. 69-030.STI (oro2u.com)
21"x300 80/100 EXTREME HEAVY DUTY STI TB0130X 3mm Thick wales. TR-6 VAVLE
STI Motorcycle Tubes are strong. -Each uses a 3 mm spec, making it 30 percent beefier than most heavy duty tubes. -Made from Hight quality Butyl Rubber.