Stan's Tubeless Universal Valve Stems - Brass 55mm Pair Bearing I.D. (mm)-25 Midweight extrusion provides a balance

Midweight extrusion provides a balance of strength and weight

Strong and Safe biodegradable formula that is safe for use with all plastic rubber and carbon fiber parts

Tooth Count 51 Ring Position/Type Single Drivetrain Speeds Single Speed 1/2" x 1/8" Chainring BCD 144 Color Black Defined Color Black Material Aluminum

}Surly Stainless Steel Ring 34t x 110mm

Stan's Tubeless Universal Valve Stems - Brass 55mm Pair Bearing I.D. (mm)-25 Midweight extrusion provides a balanceStan's NoTubes Brass Valve Stems 55mm Pair. The original tubeless valve stem most rims and a perfect fit for all Stans BST rim models. Durable brass construction with removable valve core makes adding sealant easy. Sold as a pair TECH SPECS Valve Core Removable Material Brass Length (mm) 55 keyword search Tubeless Valve Presta Defined Color Silver