Why you need this valve extension tube Makes inflating tires easier and faster by bridging standard pump heads to valves, so you can up pressure on the go or during maintenance without struggling to reach awkward valve positions. Durable construction reduces the risk of failure under pressure, giving dependable performance for road and mountain bike use. Key features and benefits Valve extension tube: Simple inline connection that links standard pumps to valves for reliable inflation during rides or repairs. pressure resistance: Reinforced outer layer with a rubber core withstands up to 300 PSI for longlasting, safe use on road and mountain bikes. Pure copper nozzle: Shiny copper quickconnect head resists erosion and provides a smooth, secure attachment while remaining compatible with valve systems. Compact design: Measures 15*15*155mm (L) for easy storage in bike bags, seat packs, or toolkits; lightweight and travelready. Practical details Function: Extends reach and improves pumptovalve connection for quicker, more convenient inflation. Compatibility: Designed to work with standard pump heads and common valve setups. Materials and performance: Reinforced outer layer + rubber core for pressure resilience; copper quickconnect for durability and corrosion resistance. Size: 15*15*155mm (L) for compact carry and easy storage. Typical use scenarios Quick roadside inflation: Carry in a saddle bag for fast, secure pump attachment and inflation during a ride. Home or workshop maintenance: Use with your floor or mini pump to reach recessed or hardtoaccess valves when servicing wheels. Commuting and travel: Pack in a toolkit or bag for reliable tire pressure ups before or after trips. Designed for straightforward, dependable inflation assistance without adding bulk to your kit.