CHALLENGE Presta Valve Extender Wrench
Our Presta Valve Extender Wrench combines a 4mm closed end for removable valve cores with a 5mm open end to install inline Challenge Presta Valve Extenders. The lightweight wrench is black anodized aluminum for durability and a precise fit.
CHALLENGE Presta Valve Extender Wrench
More Challenge Accessories
CHALLENGE Smart Tubeless Sealant
Challenge Tire FAQs
Selecting a Road Tire
Which is the best blend of speed, rolling resistance and durability for my riding? You can learn more about our Road Line here: Selecting a Challenge Road Tire
Selecting a Gravel Tire
Which model is best for the terrain you ride? You can learn more about our Gravel Line here: Selecting a Challenge Gravel Tire
Selecting a Cyclocross Tire
Which tire is best in sand, snow or mud? You can learn more about our Cyclocross Line here: Selecting a Challenge CX Tire
Are Challenge TLR Tires Compatible with Hookless Rims?
The following Challenge TLR tires are compatible with ISO/ETRTO-compliant hookless rims:
• Getaway RACE Series TLR tires
• All Handmade TLR tires in sizes 33–45C
• All Criterium RS TLR sizes
Are Challenge Tires Difficult to Install?
A tight fitting TLR tire is critical for holding air and keeping the tire on the rim. You can find mounting videos for TLR and Tubulars here: Mounting Instructions