Item Type: Bicycle Inner Tube<br>Material: Butyl Rubber<br>Color: Black<br><br>Quantity: 2Pcs<br><br><br>Valve Type: Bend Valve<br><br>Application: Suitable for road bikes, bicycles, mountain bikes, models with american valve.<br><br>Package List<br>2 x Bicycle Inner Tube<br><br>1、The inner tube controls the tire pressure to control the amount of friction, makes the bicycle run more labor‑saving. 2、Adopts high quality butyl rubber, has good air tightness, heat resistance , elasticity, aging resistance, no easy to deform. 3、Can maintain the internal pressure of the tire to protect you from shocks, brings you a comfortable riding. 4、With bend american valve, suitable for road bikes, bicycles, mountain bikes, etc. 5、Strong bearing capacity, can increase the air pressure to bear the weight, durable to use.