effetto mariposa [Genuine] Bicycle Valve Caffelatex Tubeless Valve Length 40mm 2 pieces EMCHCV2French valve set for tubeless tires (2 pieces) Total length: 52 mm (from rubber base to the tip of the valve core) The valve core can be removed. When using wheels with high rim height, please remove the core and use an extension. The valve hole is For 8. 5mm, please use a conical adapter French valve set for tubeless tires (2 pieces) Product model number: EMCHCV2 Color: Silver Battery included or built in: No Product size: 11. 43 x 10. 16 x 0. 64 cm;