Disc Valve Adaptor, Black, Adaptor Synthetic 5X 2X wear elastomer Black gasket resistance With the with holding Disc 5 and by Valve power Patches By Zipp

Welcome to BigWorld. Synthetic elastomer gasket with 2X the holding power and 5X wear resistance of traditional gasket materials Two stage seal design improves sealing and stability on all presta valve stems Adjustable compression user can tighten the cap to increase holding power by 4X and compensate for wear 15 degree stem angle reduces stress on the valve stem from pump hose Good quality, to bring you more intimate service.