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