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Old 05-03-10, 04:07 PM   #1
rgoo92
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wheel size question

someone told me that your rear wheel is always bigger than your front wheel.
is this true?

my front wheel is a 700x 23

should my back wheel be a 700x23 or like a 700x35

does it matter if theyre different? or should my tire's width/size be exactly alike?
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Old 05-03-10, 04:12 PM   #2
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Actually it depends on the riding you do.

Some keep same size front and back-usually for regular road riding they are the same

Some put fatter rear tires- Nice for better traction and power transfer

Some put the fatter tire up front- Better for steering in loose soil.

Its up to personal preference more than anyting
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Old 05-03-10, 04:12 PM   #3
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doesn't really matter.
normally they're both the same size.

more here:
http://www.sheldonbrown.com/tires.html#mixing
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Old 05-03-10, 04:13 PM   #4
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Read this: http://sheldonbrown.com/tires.html#mixing

Edit: Since my post didn't add anything. I'll say that if I run different-sized tires, I will put the larger on the front for better traction and shock absorption, and the larger tires take lower pressures (and I always run about 10% lower in front compared to rear).
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Old 05-03-10, 04:13 PM   #5
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Originally Posted by sooprvylyn View Post
Actually it depends on the riding you do.

Some keep same size front and back-usually for regular road riding they are the same

Some put fatter rear tires- Nice for better traction and power transfer

Some put the fatter tire up front- Better for steering in loose soil.

Its up to personal preference more than anyting
nice dude perfect answer helped alot!
i have a fixed gear with a 700x23 up front! i wanna do some distance but also alot of skidding and stuff haha. ill always be riding on the street

what would you recomend?

edit: just saw last 2 posts. reading sheldon brown now
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Old 05-03-10, 04:22 PM   #6
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nice dude perfect answer helped alot!
i have a fixed gear with a 700x23 up front! i wanna do some distance but also alot of skidding and stuff haha. ill always be riding on the street

what would you recomend?

edit: just saw last 2 posts. reading sheldon brown now
Personally, I'd recommend getting a brake and saving your tires.

(But if you insist, you can put a 25 on your rear and a 23 on the front. I've done with with my road bike and I like this combo a lot.)
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Old 05-03-10, 04:26 PM   #7
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for skidding... just use whatever will fit and cheapest on the rear.
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Old 05-03-10, 04:28 PM   #8
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For skidding I recommend some Specialized Armadillos- They are pretty cheap and super thick so there is plenty of tire to wear off before they need replacing.

If you like your knees and prefer to continue to use them late into your life you should use a brake instead.

edit:Also if you plan to skid stop use at least a 25-28mm wide tires, it will slow you down a bit faster than a 23mm will
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Old 05-03-10, 06:08 PM   #9
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well the back tire im picking up is 35mm wide..

you think using a 23up front and a 35 in back is too weird/ big of a gap?
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Old 05-03-10, 06:15 PM   #10
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Here is what I'd be concerned with:

Are you using a track/fixie frame? If so then the rear spacing will probably not let you go much bigger than 28mm wide tire. If you get a 35mm(which is almost a MTB tire width) you will likely run into problems with frame clearance at either your chainstays, seatstays, brake bridge or seattube. In other words a 35mm wide tire is very likely to rub the frame if it is a track frame.

Unless you are running a 29er, hybrid, cyclocross frame I wouldn't try to fit anything larger than a 28mm tire on, unless your track end openings are like 3cm long.

So its not really the gap that is the problem, if you can fit the fat rear on the bike then go for it, but I'll be surprised if it fits.
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Old 05-03-10, 06:17 PM   #11
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If you've already purchased the tires then you can try putting the 35mm on the front as forks tend to have a bit more tire clearance than the frames do
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Old 05-03-10, 06:49 PM   #12
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Originally Posted by sooprvylyn View Post
Here is what I'd be concerned with:

Are you using a track/fixie frame? If so then the rear spacing will probably not let you go much bigger than 28mm wide tire. If you get a 35mm(which is almost a MTB tire width) you will likely run into problems with frame clearance at either your chainstays, seatstays, brake bridge or seattube. In other words a 35mm wide tire is very likely to rub the frame if it is a track frame.

Unless you are running a 29er, hybrid, cyclocross frame I wouldn't try to fit anything larger than a 28mm tire on, unless your track end openings are like 3cm long.

So its not really the gap that is the problem, if you can fit the fat rear on the bike then go for it, but I'll be surprised if it fits.
very informative, thanks!
no i can either buy the wheel with or without the tire. i recently learned taht 700 wheels can carry a wide array of different sized tires which works out better for me
yes i will be using a 54 sized frame w/ horizontal dropouts for my project

my curretn wheelset is a pair of 700x23cc and i think i have to use the new wheel 700,35 for the back wheel because its the one with the fixed hub.

im going to either use my 23 tire/tubes form my old wheel onto my new fixed rear wheel or buy a 25
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