The Challenge Almanzo Pro Tire is named after the Almanzo 100 gravel race in Minnesota, making this a heavyweight all-terrain tire for use with road bikes. The Almanzo was designed specifically for gravel racing, featuring a file tread pattern that provides excellent grip with a wider, more forgiving profile for those bumpy roads. Each Almanzo Pro tire features Challenge's double puncture protection, offering the highest level of protection from slashes, tears, or other types of punctures.
- ISO diameter: 622.
- ISO width: 33mm.
- SuperPoly casing.
- Double PPS Protection.
- Sidewall options: Black or Black/Tan.
- Claimed weight: 385 grams.
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