Heavy Duty 2.5mm 4.10 x 18 and 2.75/3.0-21 Butyl Inner-Tube combo


Fits 110/100-18, 120/100-18, 120/90-18 (rear) and 80/100-21, 90/90-21 (front) tires.



DON'T BUY OLD TUBES
OUR TUBES HAVE A FRESH MANUFACTURER DATE 

  • Butyl inner tubes are eight times higher in air retention than inner tubes made from natural rubber. 
  • Heavy Duty 2.5 mil rubber
  • Sealed TR4 metal valve stems for long lasting leak prevention