CST 80/100-21 TR4 MX/Enduro Heavy Duty TubeAll Maxxis and CST Standard & Heavy Duty tubes are made from a special formula of high-density butyl rubber to ensure the tyre stays inflated.Our Heavy Duty Tubes are 33.33% thicker than our standard tubes.
CST 3.25/3.50-17 TR4 Tube
1 x 80/100 21 51M TT Front, Dunlop Geomax MX34 Motocross / MX Tyre - 8010021
1 x 80/100 21 51M TT Front, Dunlop Geomax MX34 Motocross Tyre - 8010021
RUTU 2.50/2.75-17 Inner Tubes with TR4 Straight Valve Stem 70/100-17 Tyre for Coolster TaoTao 110cc 125cc 140cc Dirt Bikes Moped Scooters - 2Pack
cyclingcolors Inner Tube Motorcycle Moped Scooter Inner Tube, 17 Inch 3.00 A 3.25-17, 100/80-17, 110/80-17, 110/70-17, 120/70-17 TR4 Valve
cyclingcolors Inner Tube Motorcycle Moped Scooter Inner Tube, 16 Inch 3.00 A 3.25-16, 90/90-16, 100/90-16, 100/80-16 A 120/80-16 TR4 Valve
