12.1/2" x 1.75 - 2.25 47-203 29 TPI NYLON-6 Lower Rolling Resisitance for less pedalling effort, More durable

14" x 2.00 ETRTO 50-254

Ortem AV4 16" X 1.3/8 - 18" x 1.1/8 Inner Tube Schrader Valve

16" X 2.00 ETRTO 50-305

ETRTO 47-355

ETRTO 50-355

ETRTO 50-355

Ortem AV7 20" x 1.5 Inner Tube 40mm Schrader Valve

Ortem M-1400 Tyre - 20" x 1.75 ETRTO 47-406

ETRTO 47-406

Ortem Inner Tube - Schrader Valve 20" x 1.75-2.35 BMX

ETRTO 50-406

ETRTO 50-406

ETRTO 50-406

ETRTO 54-406

ETRTO 56-406

Ortem Schrader Valve 20" x 2.30-2.50 Inner Tube

Great for offroad, but also usable for street-riding Great grip on leaves, mud, lose ground, gravel Size (ETRTO): 100-406 Size (inch): 20" x 4.00 Fat Bike TPI: 72. Colour: Black. Tyre for a rim-size: 20" Weight: 1.6kg

Ortem Inner Tube 24" x 1.50 (40mm SV) ETRTO Size: 40-507 Size: 24" x 1.50

Ortem 24" x 1.50-2.125, 35mm Schrader Valve Inner Tube