Impressive joint and replacement valve strength; for replacement valve Stem Types see above Two to three times thicker than standard tubes, IRC
110/90-19 VR HEAVY DUTY TUBE - John Lee Motorcycles
Heavy Duty Tube 110/120/90-19 Tr 4 Valve Stem – LaBaron's Power Sports
Dunlop Tube 110/90-19 120/90-19 TR4 (MX HD 3,5mm)
Michelin Inner Tube Heavy-Duty For MX/Enduro - Konquer Motorcycles
TUBE 110/90-19 HEAVY DUTY : Automotive
IRC Heavy Duty Tube 110/90X19 Front/Rear
IRC Heavy Duty Motorcycle Inner Tube 110/90-19 120/90-19 120/80-19
Rippin Moto 110/90-19
BikeMaster Heavy-Duty Motorcycle Tire Tubes - 110/90-19
Rippin Moto 110/90-19 (4.50 x 19) Heavy Duty 19 Inner Tube 3mm Thick
Vee Rubber - SUPER HEAVY DUTY TUBE - 4mm - 110/90-19 STRAIGHT