Protects Surge™ Valve from whatever the trail dishes up. Designed for mountain bikers, gravel grinders, and all weather roadies.
Optimized Cage Fit
New 15 oz volume fits any frame size and/or full suspension bike with limited real estate for bottles. A perfect fit for side loading cages.
Sleek, single wall design that is light, durable and compact. Bottle shape and ultralight construction makes it easy to squeeze.