Impressive joint and replacement valve strength; for replacement valve Stem Types see above Two to three times thicker than standard tubes, IRC
Vee Rubber - SUPER HEAVY DUTY TUBE - 4mm - 110/90-19 STRAIGHT
IRC Heavy Duty 110/90-19 120/80-19 120/90-19 Inner Tire Tube
110/90-19 VR HEAVY DUTY TUBE - John Lee Motorcycles
Michelin Heavy Duty Inner Tube 110/90-19/Rear
IRC Heavy Duty Motorcycle Inner Tube 110/90-19 120/90-19 120/80-19
Dunlop 80/100-21 & 110/90-19 D952 & IRC Heavy-Duty Off-Road MX
110/90-19 (4.50 x 19) Inner Tubes 110/90-19 Dirt Bike
TMV Reinforced Heavy Duty 4mm Inner Tube 110/90-19 TR4
Michelin 19 Ultra Heavy Duty Tube suits 100/90-19 110/90-19 120
Boyd Motorcycles - Tube IRC Heavy Duty 110/90 -19 - Motorcycle
Heavy Duty Tube 3mm Thick – PIVOTRAX
Motoz Uber-Ultra Heavy Duty Tube 18-110-140 4mm (4.00,5.00X18
110/90-19 : Motorcycle Heavy Duty Tube : Vee Rubber – Motozone
Rippin Moto 110/90-19 (4.50 x 19) Heavy Duty 19 Inner Tube 3mm Thick
Michelin 19MFR Heavy Duty Inner Tube 350/450-19 110/90-130/70-19