Product: Greenergia 27.5 X1.9/2.125 Bicycle Inner Tube with Schrader and Presta Valve 33mm (1 Pack, Schrader, 27.5")
Brand: Greenergia
Color: Schrader Valve 33mm
 Valve Type:
 Schrader Valve(Length:34mm/48mm)----
Schrader (also called Standard) valves are the most common valve type for bicycles. This short, sturdy valve is also used on car tires and other inflatables. Typically found on BMX,Cruiser, Kids' and most Mountain bikes

Presta Valve(Length:36mm/48mm)----
Presta valves are typically found on performance road and mountain bikes(Tires that require high air pressure). They have built-in valve locks which you twist to open before inflating.


Tube Size:
26" x 1.9-2.125, 27.5" x 1.95-2.125, fit 26-inch/27.5-inch wheel, tire width between 1.9-2.125. To determine the size you need to check the side wall markings on your tire where you’ll see two numbers separated by an 'X'. The first number refers to the tire’s diameter. The second number refers to the tires width. Select the tube that has the exact same diameter as your tire. Your tires width should fall into the range of widths listed on the tube packaging


Attention:1.Please kindly confirm the size of your bike tire before you buy.
2.Before changing the tube, please check whether have some stones or sharp things that may broke the tube that stay in your tire.
3.Remember to always add a little air (to give the tube form) to the new inner tube before installing. This will prevent it from bunching up and/or causing a pinch flat or possibly blowing the tire off the rim (when you immediately and fully inflate) which ultimately will pop the tube. 
4.Never over inflate past the recommended tire pressure.
Material: Buytl Rubber ----Strechable and air-tight, water proof and extra-thick wall
Available Sizes: 26x1.75-2.125", 27.5x1.75-2.125"----fit all 26" and 27.5" tire width between 1.75"- 2.125"
Available Valve: 34mm/48mm Schrader Valve; 36mm/48mm Presta Valve with removable valve core----- Useful for adding extenders or using revo sealant
Universal Compatiblity: Fit mountain, cruiser or any bicycle tire with the same tire dimensions
1 year Warranty:High qualitym 100% replacement or refund if there is any quality problem within one year

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