Bicycle Tire Insertion Tool Tube Protector for Women Mountain Bike Black Description: [Material]: This bicycle tire insert is made of EVA material known for its durability and elasticity, which ensures a long service life. [Greater Control]: This mountain bike tire insert is designed to increase the control, performance and protection of tires and wheels. It is designed for tubeless tires, providing stability, grip, and control. [Greater stability]: The bicycle inner tube protector effectively improves the stability of the tires while maintaining a soft tread and excellent grip. This can improve the efficiency of turning, climbing, downhill and braking the bike. [Light]: This punctured inner tube effectively reduces the internal air in the tire, allowing more controlled deformation, which improves grip and reduces shock. [Tire Protection]: This tubeless tire insert is designed to protect your tires and wheels. Specification: Material: EVA Size Chart: Tyre insert length: 230 cm/90,55 inch Tyre insert diameter: 3,5 cm/1,38 inch The package includes: 1 tubeless tire insert 4 zippers 1 instruction manual