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Discussion Starter · #1 ·
I'm looking for a new set of tires for my Racer-X. I have this bike setup as my endurance race bike and I'm looking for something that is pretty aggressive. My normal rig is a Knolly DT w/2.4 Ardents and I really love this setup. My riding style is highly aggressive and I want to be able to take that to race day.

I've raced 2.1 Crossmarks in the past and they were pretty good for such small tires but they would wash out when trying to pin high speed corners and they'd slide out when the trails got a bit wet and muddy. I'm looking for something with a little more bite but that will still pedal pretty well up those long fireroad slogs. The trails and races that this bike will be on are in New England and further down the east coast so the terrain is usually hardpack on the fireroads and wet rooty stuff on the singletrack. Ideally I'd like a 2.3-ish tire that corners well but has really good rolling resistance and has decent weight. I'd rather go a little heavier than have to worry about flats.
 

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Check out Conti Mountain King and Race King also. A MK with Black Chili rubber would be good on the front for the wet roots.
 

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woodyak said:
I'm looking for a new set of tires for my Racer-X. I have this bike setup as my endurance race bike and I'm looking for something that is pretty aggressive. My normal rig is a Knolly DT w/2.4 Ardents and I really love this setup. My riding style is highly aggressive and I want to be able to take that to race day.

I've raced 2.1 Crossmarks in the past and they were pretty good for such small tires but they would wash out when trying to pin high speed corners and they'd slide out when the trails got a bit wet and muddy. I'm looking for something with a little more bite but that will still pedal pretty well up those long fireroad slogs. The trails and races that this bike will be on are in New England and further down the east coast so the terrain is usually hardpack on the fireroads and wet rooty stuff on the singletrack. Ideally I'd like a 2.3-ish tire that corners well but has really good rolling resistance and has decent weight. I'd rather go a little heavier than have to worry about flats.
Try the Ardent 2.25. Maybe the 2.40 front, 2.25 rear.
 

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Regarding the Crossmarks were they regular or eXception series? Were you running them tubeless? How much do you weigh and what air pressure were you using?

The reason I'm asking is because I've found them to be extremely fast on any singletrack trails, with the right air pressure. I'm running the eXceptions and I've had them tubed and tubeless with no problems. I weigh about 150 fully loaded and with tubes I ran them at 27psi front and 28.5psi rear, tubeless I have them at about 24psi front and 26psi rear. When I have them at the recommended low of 35psi they suck on cornering, have a lot less traction and are a lot slower.
 

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Discussion Starter · #7 ·
baraant said:
Regarding the Crossmarks were they regular or eXception series? Were you running them tubeless? How much do you weigh and what air pressure were you using?

The reason I'm asking is because I've found them to be extremely fast on any singletrack trails, with the right air pressure. I'm running the eXceptions and I've had them tubed and tubeless with no problems. I weigh about 150 fully loaded and with tubes I ran them at 27psi front and 28.5psi rear, tubeless I have them at about 24psi front and 26psi rear. When I have them at the recommended low of 35psi they suck on cornering, have a lot less traction and are a lot slower.
I'm pretty sure they are the regular series and I run them tubed. I've played with the pressures and settled on around 30 psi as the best for traction w/o the sidewalls giving out on me. I agree that they are quite fast on singletrack and I was pleasantly surprised at how well they rode for such a small tire that has pretty flat knobs. I run into problems when the terrain turns wet and the dirt gets thicker. The smaller volume also keeps me from being real aggressive on the rocks and stuff.
 
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