Fits any hydration system using 3/8'' tubing
Allows 70-100% more water flow than other brands
Internal O-Ring seals valve completely to eliminate leakage
Tough polycarbonate material that won't bite close while drinking
NON-STAINING, NON-TOXIC, BIODEGRADEABLE
White Lightning has developed Crystal™ Grease for cyclists and mechanics who are simply unwilling to compromise on performance or ecology.