You are in Trial and Biketrial bicycles 18 inches inner tubes corner
Comas brand inner tube for 18 inches wheels. Made in high quality butyl rubber. Light model 0.9mm of thickness. Brand serial installed in Comas 18 inches models. Schrader valve. 2.10/2.40 width. 154 grams of weight.
Brand: COMAS
Deli Tire brand inner tube for 18 inches wheels. Schrader valve 35mm height. Width from 1.75 to 2.125. 144 grams of weight.
Brand: DELI TIRE
Standard tube from Jitsie brand. Only 0,9 mm thickness in all the rubber. Schrader valve and compatible with all 18 inches wheels in the market. Width from 1.75 to 2.125, that fits all 18 inches Trial and Biketrial front and rear wheels. 128 grams of weight.
Brand: JITSIE