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Challenge
Grifo Pro Tubular Tire

  (3 customer reviews)
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The Grifo is a handmade cross tubular that delivers a great combination of traction and speed. Challenge's proven tread design has crossed the finish line first in World Cyclocross Championships.

  • Anti-puncture protection system
  • Supple 300 TPI Super Poly casing
  • Latex tube
  • 700c x 33mm (33-622 ISO)
  • 30-90 recommended PSI
  • 420g.
  • Black/Natural
 

Application: Cyclocross 

 

ISO (ETRTO) Size: 32-622 mm

 

Min Pressure: 30 psi

 

Max Pressure: 90 psi

 

Threads Per Inch: 300 tpi

 

Made in: Thailand 

700c x 33mm

Weight: 350 grams

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Great tires!
rating
by Anonymous
Cycling Enthusiast
Bay Area

These tires are everything you've probably read & heard about them plus more. My one piece of advise, put them on & pump up wo gluing for a couple days to allow the tires to stretch a bit!

Reviewed 10/25/2012
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A Contender
rating
by Mike
Competitive Racer
4 of 4 customers found this review helpful.

Before reviewing the specific tread pattern, Challenge makes high quality tubies for cross. The pro edition (what is being reviewed) and team edition (white sidewall, more expensive) are both very well built. They are round, mount easily, and overall have no base tape issues. They have a generally good lifespan and are a good value at the price. The suppleness is highly subjective to critique but you are not going to lose a race because of the suppleness of these tires )

The primary issue with the Grifo is the tread pattern, it is no as good as the MXP or FMB SSC. The MXP has better traction and sheds mud faster. I have had 3 unexplained slips on the rear wheel this season during dry conditions that never happened when using the MXP. For a true all around tread the MXP is king. If you are wanting to stay with Challenge the baby limus is a better option as you get a bit more bite with better mud shedding abilities.

Tip use aquaseal on the sidewalls (1-2 coats) before mounting, it will make a significant difference in the lifespan of the tire.

Reviewed 10/20/2017
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Mega Confidence in these Tires
rating
by Rcsolak
Competitive Racer
Hamilton Square, NJ
1 of 1 customers found this review helpful.

Love these. Sticky compound, tough treads - that really instill confidence in most conditions - minus extreme. You'll be flying in the morning dew races when the corners are a bit slick, and loving the sticky compound in the afternoon when the course turns to dry dust.

Reviewed 9/9/2013
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