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.

- Repairs punctures up to 1/4 (6mm) - Optimized for temps down to 15degF (-9.4degC) - Synthetic later minimizes the risk of allergic reactions

- Labeled Size: 24 x 1 - ISO Diameter: 540 / Wheelchair - ISO Width: 23mm, 24mm, 25mm - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta Short 32-40mm - Shaft Type: Threaded - Valve Core: Removable - Weight: 83g

- The benefits of a smooth center with small side knobs

- Slick cruiser tire with widely spaced narrow grooves for traction

- Designed for city commuter bikes - 26 x 2.125 inch

- Balloon tire with urban treads - Large air volume for added shock absorption - Wire bead - Size: 26 x 2.125

- Park/street tire, with directionally grooved tacky tread - Wire bead - Available in three widths

- Raised center and directional lateral tread for city and rural roads - Wire bead - Size: 700 x 38c

- Multi-use tire with a smooth center for low rolling resistance and raised lateral lugs for grip - Wire bead - Size: 26 x 1.95

- Hybrid/touring tire for fast rides and commuting - Wire bead - Size: 16 x 1.5

- Hybrid/touring tire for fast rides and commuting - Wire bead

The MTB Alpha Bite is a classic mountain bike tire with large, widely spaced knobs. Excellent for use on hardpack, mud or loose sand.

- Classic MTB tire with large, widely spaced knobs - Excellent for use on hardpack

- Entry-level BMX-style tire with sturdy casing for longevity - Wire bead

- Recreational tire with raised center for low rolling resistance - Fits older road bikes - Size: 27 x 1 1/4

- Recreational tire with raised center for low rolling resistance - Fits older road bikes - Size: 27 x 1 1/4

- Recreational tire with raised center for low rolling resistance - Fits Schwinn "lightweights" and older British club bikes - Size: 26 x 1 3/8

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

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

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

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

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

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

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

- Street tire - Grooved tread with directional siping - Wire bead

- Urban tire with a durable thick rubber casing - Smooth thick center tread with deep siping for all-weather traction and low rolling resistance - ISO: 507 - Bead: Wire

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