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Grifo 33 Open Cyclocross Tire

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The Challenge Grifo Open tire combines a tried and true tread pattern with the versatility and ease of use of a clincher that's perfect for racing and training. At 300 threads per inch, this tire is remarkably supple for a clincher. Low profile knobs are great on fast grass courses and hard packed gravel/dirt, but aggressive enough for mud. If you could only have one clincher for the entire season, the Challenge Grifo would be a great choice.

Note: This tire is somewhat confusingly labeled as an 'Open Tubular.' It fits standard clincher rims.


Weight: 355 grams


Weight: 355 grams


ISO (ETRTO) Size: 33-622 mm


Min Pressure: 30 PSI


Max Pressure: 90 PSI


TPI: 300 TPI


Made in: Thailand