12x2.50/3.00 Inner Tube Size: The 12" inner tube with CR202 valve stem, suitable for most bicycles and e-bikes with tire sizes from 12" to 12.5" and widths between 2.35" to 3.0", such as e-bikes, mini dirt bikes, electric motorcycles, scooters and kids bikes. (DO NOT FIT 12" RIM)
High-Quality Butyl Rubber: The 12.5 x 2.75 inner tube are made of high-quality butyl rubber material, which has better airtightness and longer service life. It is also suitable for vehicles with 12x2.35, 12x2.40, 12x2.5, 12x2.75, 12x3.0, 12.5x2.35, 12.5x2.40, 12.5x2.5, 12.5x2.75, 12.5x3.0 tires.
CR202 Valve Stem: Heavy-Duty 12 1/2 x 2.75 inner tube with CR202 valve stem, which is more convenient to inflate and has better sealing.
47 Pcs Reflective Stickers: These silver reflective stickers will reflect strong light at night and in low light conditions, improving the recognizability of night riding and reducing accidents. (It will not glow by itself in dark places.)