General Fit: The Bicycle Inner Tube are suitable for bicycle, MTB, cycling, mountain bike, road bike, etc.Durable butyl rubber material and smooth slick pattern tyres for optimal balance of grip and rolling resistance.Functions:Capable of strength impact, provide more comfortable and steady cycling experience.Cycling tubes has better sealing performance, shock absorption, prolong reliability.Bike MTB Cycling Inner Tire Specification:Material: Butyl RubberColor: BlackFit Tire Size: 20x2.125/2.40Valve Type: America Type ValveEasy to Setup:Conveniently designed cycling tube for quick installation.
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