The original and still the best tubeless valve stem for most rims and a perfect fit for all Stan’s BST rim models. Weighs only 16g for the 35mm models. Durable brass construction. Removable valve core makes adding sealant easy. Fits up to 8mm valve hole. Sold as a pair. The original and still the best tubeless valve stem for most rims and a perfect fit for all Stan’s BST rim models. Weighs only 16g for the 35mm models. Durable brass construction. Removable valve core makes adding sealant easy. Fits up to 8mm valve hole. Sold as a pair.

• Easy installation and compatibility
• Durable and long-lasting construction
• Provides reliable air retention