Train smart, balance warmth and moisture. Check out our Winter Training Collection.
• The original and still the best tubeless valve stem for most rims and a perfect fit for all Stan’s BST rim models
• Durable brass construction with removable valve core makes adding sealant easy
• Fits up to 8mm valve hole
• Weight: 18g per valve
Train smart, balance warmth and moisture. Check out our Winter Training Collection.