Genuine OEM 18″ pit bike inner tube, heavy duty and hard-wearing. Beware of cheap tubes from China that can burst causing serious injury.
110/90-19 Motocross Tyre + Inner Tube Rear Fits Most 250cc / 450cc MX Dirt Bikes
80/100-12 Motocross Tyre + Inner Tube Rear FITS 65SX RM65 CR65 YZ65 KX65 TC65
90/100-16 Motocross Tyre + Inner Tube Rear FITS 85SX RM85 CR85 YZ85 KX85 TC85 BW
120/100-18 57M VRM140 Motocross Off Road Rear Tyre & Inner Tube & Rim Tape
Michelin Heavy Duty Reinforced Inner Tube - 18 or 21 Inch Rim Size
Motorcycle 18" Inner Tube Continental 3.00 to 3.25" / 90mm