Bike Pumps Zipp

Features:- New, synthetic elastomer gasket with 2X the holding power and 5X wear resistance of traditional gasket materials- New, 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 hoseSpecifications:- Weight: 12.0g