What Makes Stan's Alloy Valve Stems the Right Choice?

Stan's Alloy Tubeless Valve Stems are built for riders who want a lighter, cleaner tubeless setup without cutting corners. Machined from alloy aluminum, they weigh half as much as standard brass stems while delivering the same reliable seal. The secure round base is compatible with most tubeless rims and is a perfect fit for all Stan's BST and BST-R rims, so installation is straightforward whether you're building a new wheelset or converting an existing one.

The removable valve core makes topping off or adding sealant simple without breaking the bead or removing the tire. Available in 35mm, 44mm, and 100mm lengths, these stems cover everything from shallow aluminum rims to deep-section carbon aero wheels. Sold in pairs, they're an easy upgrade for any weight-conscious rider dialing in their tubeless system.