*50mm Tubeless Valve Stem-Presta Bk (Pair) Front Hydration Systems A: 15 servings at full

A: 15 servings at full strength (2 scoops/500ml)

utilizing 2-screw mounting for an ultra compact profile and lightweight

or adjust scoops (from 1 to 4) based on your needs—perfect for customizing intensity during training or races

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but at a reasonable price that won't break the bank for most of us that still want a performance oriented package

*50mm Tubeless Valve Stem-Presta Bk (Pair) Front Hydration Systems A: 15 servings at fullThe Profile Design 50mm Tubeless Presta Valve Stem pair offers reliable performance for tubeless tire setups. Crafted for durability and airtight sealing, these black valve stems ensure easy installation and maintain optimal tire pressure. Their 50mm length fits a wide range of rims, making them ideal for advanced cyclists seeking secure, tubeless compatibility without compromising speed or efficiency.