5 products in this product line Presta Valve Extender Thread Brass(Cu)-40mm RD proInfo Brass Extenders for presta valves. - plated in Ni - plated in Cr Thread on is unable to laser logo. Length or design can be changed according to customers' requirements. Non-thread Brass(Cu)-40mm (capable of laser logo printing) RD proInfo Brass Extenders for presta valves. - plated in Ni - plated in Cr Non-thread one is able to laser logo. Length or design can be changed according to customers' requirements. Non-thread Aluminum(Al)-30mm (capable of laser logo printing) RD proInfo Aluminum Extenders for presta valves. - can be anodized in different colors - 30mm Non-thread one is able to laser logoprint. Length or design can be changed according to customers' requirements. Non-thread Aluminum(Al)-40mm (capable of laser logo printing) RD proInfo Aluminum Extenders for presta valves. - can be anodized in different colors - 40mm Non-thread one is able to laser logo. Length or design can be changed according to customers' requirements. Non-thread Aluminum(Al)-60mm (capable of laser logo printing) RD proInfo Aluminum Extenders for presta valves. - can be anodized in different colors - 60mm Non-thread one is able to laser logo print. Length or design can be changed according to customers' requirements.