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A must-have for deep section rims like Bontrager's Aeolus series wheels, these high quality extenders install between your tubular tire's or inner tube's valve stem and removable Presta valve core. 35mm extender works with Aeolus 5.0 rims (and shallower). 62mm extender designed for Aeolus 6.5.
Features
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Unique closing valve prevents leakdown
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Must be used with removable valve core tires or tubes
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Adapts standard Presta valve for deep section wheel