Specialized 27.5" Presta Valve Tube bulky while also matching the high-pressure

while also matching the high-pressure needs of your road and gravel tires

wide and with a very good price-to-performance ratio

Rugged end-loops for vertical storage when not in use

Gauge body rotates for easy viewing

Specialized 27.5" Presta Valve Tube bulky while also matching the high-pressureOur standard Presta Valve tubes use a molded method of construction, ensuring a consistent thickness of butyl rubber. About Specialized As their motto says, Made for riders, by riders. Specialized made the first production mountain bike in 1974, and since then they have been industry leaders. From lightweight carbon race bikes, innovative kids bikes, class leading e bikes and tyres & accessories, Specialized continue to push boundaries.