WEEROCK Bike Inner Tube 2 PCS 20 Inch Super Light 45MM Presta Valve Bicycle Inner Tubes for 20" MTB BMX Folding Bike Bicycle

WEEROCK Bike Inner Tube 2 PCS 20 Inch Super Light 45MM Presta Valve Bicycle Inner Tubes for 20" MTB BMX Folding Bike Bicycle

• SIZE: 20 Inch Bike Inner Tube, Suits For 20" Bicycle, MTB, BMX, Folding Bike,20 X 1.5-2.1 Bike Tire; 45MM/1.77Inch Length Presta Valve, Suits for for Rims Width Below 35mm/1.38Inch.
• SUPER LIGHT: The Net Weight is 28G/0.062LB for One Piece Inner Tube, Only 56G/0.12LB for One Set Inner Tube, Reduce the Total Weight of Bike, Make It Easy for You to Ride or Move Indoor
• MATERIAL: The Material of the Bike Inner Tube is TPU, Which is Good Puncture Resistance, Wear Resistance, And Durability, Extending the Service Life Also Bringing Safety to Cycling
• SMALL VOLUME: Compared to Traditional Inner Tubes, the Size is Reduced by 70%. When You Ride, You Could Use It As a Spare Inner Tube to Carry with You in Case of Unexpected Needs
• Attention: Please Do Not Inflate the Inner Tube Excessively When It Is not Loaded into The Outer Tire, Otherwise It May Cause Damage
• Package Incluing: 2 PCS 20 X1.5/2.1 bike inner tubes.