Silca 40mm Threaded Extender Kit w/Speed Shield Fully Threaded Valve Extenders that work with BOTH Tubeless AND Standard Removable Valve Core valve stems. Included SpeedShield Rim protectors protect rims from valve nut damage, eliminate valve stem rattle and improve aerodynamics.
- High precision CNC machined Aluminum Valve Extenders with full external threads
- Ideal valve extender for use on Carbon Rims
- Compatible with both Tubeless AND Standard RVC valve stems
- Less than half the weight of brass valve extenders
- SpeedShield Improves wheel aerodynamics up to 0.5 Watts at 30mph
- Spherical nut eliminates bending forces on valve stem for improved strength
- Silences Valve Rattle in Deep Carbon Rims while protecting carbon rim surfaces
Few brands have been more intimately connected to the last 100 years of cycling than Silca. The Italian-born brand's legacy of legendary quality has seen company's pumps being passed down through generations of professional mechanics and cycling enthusiasts - riders who value the experience of bike maintenance and understand its performance value. Now based in the US, Silca's heirloom quality pumps have been joined by a growing selection of thoughtfully designed tools and stylish accessories. Read more about Silca.
Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of 3T, Castelli, Chris King, ENVE, HJC, Intense, Moots Cycles, Peaty's, PUSH, Sidi, Silca, Sportful, Stages, Troy Lee Designs and Wolf Tooth.