Features: Bike valving extender ensures compatibility with various bike valving, offering a safe extension solution for deeply rims or unique frames. Tool frees installation with precisions thread allows quick setups and sealing, eliminating air leaks during long rides or challenging terrains. Designed for mountain bikers, road cyclists, and city commuters struggling with inaccessible valving on aerodynamic wheels or special bike frame. Optimizes inflation efficiency when using floor pumps on deeply section carbon rims, fat tires bikes, or vintage cycles with unconventional valving placements. Engineered with corrosions resistant alloy, this bike valving extension maintains tire pressure without compromising speed or handling performances. Specifications: Materials: Alloy Color: As The Picture Shows Size: 45mm/80mm (Optional) Size: approx.30cm/11.81in Package Includes: 1 Set of Bike Valving Extender note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!