Challenge Grifo Handmade TLR PRO Black and Red Tire 700 x 33 bicycle valve extender If you are in an

If you are in an area with a lot of hard soil or grass crit style courses then it is quite possibly the best option all around"

It is not a true mud tire

It is AMAZING for most all racing you may do

excellent shoulder knows to provide the traction when needed

This is the PRO casing option

Challenge Grifo Handmade TLR PRO Black and Red Tire 700 x 33 bicycle valve extender If you are in anRace Tuned. Comfort Calibrated. The Grifo TLR Pro Team Edition isn't here to mess around. It's a Tubeless (TLR) tire but uses a sealed Corespun Cotton casing giving it a more supply 320 TPI over the regular TLR version. The Grifo is absolutely one of the best "mid" tires around for racing cyclocross. It excels in racing courses that have a mix of terrains such as grass, slightly loose dirt, rock, etc. It performs well on grassy off camber sections. It