The Topeak Valve Extender Set extends the reach of two-piece Presta valves by 28 mm for easier inflation and precise pressure adjustments. Each extender is precision-machined from aircraft-grade aluminum for superior strength and minimal weight, and the set includes an aluminum valve tool for installing or removing valve cores and extenders. To ensure a reliable air-tight seal, Teflon tape is recommended on threads during assembly. Lightweight at just 1.4 g per piece and compact at 3.8 x 0.6 x 0.6 cm, these extenders deliver professional quality in a portable design.Durable Precision Build: Crafted from high-grade aircraft aluminum alloy for lasting strength, corrosion resistance, and consistent performance over time.Convenient Valve Extension: Adds 28 mm length to two-piece Presta valves, simplifying inflation on deep-section rims and improving pump access in tight spaces.Professional Valve Tool: Includes an aluminum valve core tool that tightens or removes two-piece Presta cores and extenders for simple maintenance.Improved Air Seal: Apply Teflon thread tape to valve threads before installation to achieve a tight, leak-free seal and optimal air retention under pressure.Ultra-Light & Compact: Each extender weighs only 1.4 g and measures 3.8 x 0.6 x 0.6 cm, making the set easy to carry in any tool kit or saddle bag.Manufacturer Sku: TFV-05Todson Sku: 62002854