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the stem combines lightweight engineering with exceptional strength
Designed for fine-tuning rear hub spacing
effective solution for staying hydrated and cramp-free on every ride
The gel inserts help reduce pressure points during extended rides
Challenge Alloy Valve Extender Kit 41mm - Black for Deep Dish Rims Clamp Diameter_35mm the stem combines lightweight engineeringUpgrade your cycling setup with the Challenge Tire Alloy Valve Extender Kit 41mm in sleek black. Designed specifically for cyclists who require reliable valve extensions for deep dish rims, this kit ensures effortless inflation and secure air retention on all your rides. Crafted from durable anodized aluminum, these black valve extenders combine lightweight performance with corrosion resistance, providing long lasting durability even in challenging
