Overview Reviews Product Description Featuring all-metal construction, they include washer, double nut, O-ring and metal valve cap. Tub of 50 11.3 mm base Straight stem Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × BIKEMASTER Valve Stem Chr Tubeless Tub/50 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments