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Road tires for CX bike...

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Road tires for CX bike...

Old 05-22-09, 02:28 AM
  #1  
bechamel
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Road tires for CX bike...

I realize this is the road cycling forum, but since the point is to use my CX bike for that purpose (for now), I figure I'll ask here.

I do not make a lot of money right now, so I can't just drop a ton of money into a second bike and I think it makes more sense for me to get some experience and skill before spending money.

My main question revolves around tires. Currently I have 700x35c tires, the front being the maxxis that it came with and the rear being a bontrager, because of a nice tear in the original tire.

I would like to get some smooth tires, but am also unsure of size. I would like somewhat of a compromise, so I can use them for commuting as well; however, if there are requirements for races on tire sizes or something. I have not received a clear answer on that one.

Thank you for any input!
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Old 05-22-09, 02:50 AM
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I've got 700x25 Gatorskins on my CX bike, which I commute on regularly. They work great for me, but you might want to get something a bit lighter if you're serious about racing on them.

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Old 05-22-09, 03:33 AM
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Slap some 700x23 or 700x25 tires on there and you'll be fine. I like Vittoria Rubino Pros.
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Old 05-22-09, 04:09 AM
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"Normal" road bike bike tire size is 700x23. There's a handy chart here: https://www.sheldonbrown.com/tyre-sizing.html#width for finding out what tire sizes work with what rims, or at least work well with what rims.
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Old 05-22-09, 04:41 AM
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Most CX bikes have the same width rims as sport road bikes. Any tire size from 23 to 35 will fit, but 25 to 32 would be my recommendation.

I use 28 size Gatorskins on my CX/commuter bike. I can run 110 lbs of pressure. Not ideal for racing, but perfect for city streets.

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Old 05-22-09, 08:22 AM
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Originally Posted by bechamel View Post
... however, if there are requirements for races on tire sizes or something. I have not received a clear answer on that one.

Thank you for any input!
Not a clear answer at all, just another question....Can you use a CX bike in UCI Road Races in the US?

Oh, I'm using 700 x 23 on my urban bike. They roll beautifully
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Old 05-22-09, 08:26 AM
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You can use a cross bike in a road race, granted it doesn't have disc brakes or flat bars
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Old 05-22-09, 08:27 AM
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Originally Posted by giantcfr1 View Post
Not a clear answer at all, just another question....Can you use a CX bike in UCI Road Races in the US?
Not an issue.

I raced my cross bike in a couple of early season road races.

I put a pair of 23c Conti GP4000S on my cx bike for the winter.
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Old 05-22-09, 09:04 AM
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Go with something like 700x25 or 28.
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Old 05-22-09, 09:27 AM
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I run S-works all conditions 25c tires on my cx bike sometimes and it is almost no different than my road bike in terms of performance.
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Old 05-22-09, 09:42 AM
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I recently put 23s on my cross bike. geometry is weird , also looks weird, but it works.
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Old 05-22-09, 10:09 AM
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I have 25s on my cross bike for commuting. I have a set of 35 city tires, but I concluded that they were just uglier and heavier and didn't give me any benefit over a smaller tire so I slapped the 25s on and they work great. An advantage is that I can use the same tubes that I use for my road bike.

One thing to watch is to make sure your bead is properly seated. Maybe it's just my rims, but I find that when I mount a smaller tire, I have to pump it up to around 20 pounds and then work the tire with my thumb to get it seated all the way around.
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Old 05-22-09, 10:14 AM
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in winter I ride my cross bike on the road with 700x23 armadillos.
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Old 05-22-09, 10:14 AM
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looks weird when using 23mm.
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Old 05-22-09, 12:41 PM
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Originally Posted by bechamel View Post

I would like to get some smooth tires, but am also unsure of size. I would like somewhat of a compromise, so I can use them for commuting as well; however, if there are requirements for races on tire sizes or something. I have not received a clear answer on that one.
No clear answer to what question? "Requirements for races on tire sizes?"

Figure out what race/s you want to participate in, then make inquires.

Whatis you rim width? There should be a sticker on the rim that says 622x1#. The second number should be between 14 and 18.. tell us what it is. The bigger the number, the wider the rim, the wider the tire you are recommended to go with.

My cross wheels' sticker reads 622x17 and I run 700x28 continental gatorskins. Perfect fit.
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Old 05-22-09, 01:16 PM
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Originally Posted by AEO View Post
looks weird when using 23mm.
Put a fender on it
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Old 05-22-09, 01:22 PM
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it's a pure CX bike. zero braze-on eyelets for full fenders or rack.

and if you say use clip-ons, the fork and seatstay spacing is so wide they don't fit right.
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Old 05-22-09, 01:38 PM
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+1 on 700 x 28 Gatorskins
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