Zipp's Valve Extension extends your threaded Presta valve to accommodate deep dish rims. Use these extenders with your favorite Zipp wheels to make short work of pumping up your tires.

Intended for training, this tire features a strong nylon casing, offers a secure grip, and provides long tread life. - 26 TPI nylon casing - Long service life - Economical rigid bead - Modern tread pattern design with a smoother center and increased tread on shoulders for a variety of conditions - Wire bead

This new version of the proven, fast-rolling Randonneur tire features new 1c compound construction. - Hard-working, hard-wearing tire built for racking up big mileage - The ideal tire for city riding and touring, even in semi-wet conditions - ECE-R75 (European Certification e-bikes)

The wire bead version of the new Zaffiro tread offers many of the same traits that established the Zaffiro family as the standard in performance training but at an entry-level price point. Employing the same tread profile as the Zaffiro Pro, the durable, rigid-bead Zaffiro is the top choice for replacement tires at a great price. - Extremely durable tires for performance training - Modern tread design for long-lasting durability

- Double-sided tubular tape for installing tubular tires with no mess or waiting - Special activated surface of gluing tape makes installation and centering of a tubular tire on a rim very fast and easy

- ISO Diameter: 406 / 20" BMX - Wall Thickness: 0.9mm - Tube Compound: Butyl - Valve: Standard Schrader - Shaft Type: Smooth - Valve Core: Removable

- Size: 650c x 18 – 23 - ISO Diameter: 571 / 650c - ISO Width: 18mm, 19mm, 20mm, 21mm, 22mm, 23mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 89-92g

- Butyl rubber - Removable valve core - Schrader valve - Wall thickness: 0.9mm

- Butyl rubber - Economy tube - Removable valve core - Wall thickness: 0.9mm

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Valve stem: Smooth - Butyl rubber - Wall thickness: 0.9mm

- Valve: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Presta - Valve Core: Non-Removable - Wall Thickness: 0.9mm

- Valve Type: Presta - Valve Core: Non-Removable - Wall Thickness: 0.9mm - Flat Fold Width: 44mm (1.75-2.10), 65mm (2.50-3.0), 78mm (3.0-3.50)

- Valve type: Schrader - Valve core: Removable - Valve stem: Smooth - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Presta - Valve Stem: Smooth - Valve Core: Non-Removable - Flat Fold Width: 44mm (1.75-2.10), 78mm (3.0-3.50) - Wall Thickness: 0.9mm

- Valve: Presta - Butyl rubber - Wall thickness: 0.9mm

- Valve: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm - Thorn-resistant

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve Type: Presta - Valve Core: Removable - Butyl rubber - Wall Thickness: 4.3mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm - Thorn-resistant

- Hybrid tire with small lugs suitable for road, light trail use - Wire bead - Size: 27 x 1 3/8

- Tire with medium-depth, directional tread suitable for road, light trail use - Size: 22 x 1.75

- Recreational tire with horizontal grooves for traction - Size: 24 x 1 1/4 - ISO 547

- Recreational tire with horizontal grooves for traction - Size: 26 x 1 3/8 - ISO 597

Urban/recreational tire with shallow, grooved tread for multiple conditions - Wire bead - Reflective sidewall

- Gray tread, sidewalls with raised center and lateral knobs - 24 x 1-1/4 (ISO 547) - 24 x 1-3/8 (ISO 540)