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Old 10-03-2010, 08:27 PM   #1
quicksaveme
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What size rear does GP run?

Like the title says, what size rear tires do the GP riders run on?
Front also

Thanks boys. Just curious
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Old 10-03-2010, 08:40 PM   #2
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Depends on the bike. Short answer, stick to the manufacture specifications.
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Old 10-03-2010, 09:43 PM   #3
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Well not for me. I'm just curious because I know the pro riders don't use a 190 in the rear, so I would like to know what they use.
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Old 10-03-2010, 09:56 PM   #4
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i think they change from 190-205 and are run on 16.5" wheels. Like the street version of the Desmo
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Old 10-03-2010, 10:18 PM   #5
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Well not for me. I'm just curious because I know the pro riders don't use a 190 in the rear, so I would like to know what they use.
ORLY... How do you know?

In fact they do sometimes. Depends on the track. Somewhere between a 190 and 205 like AJ said.
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Old 10-03-2010, 10:31 PM   #6
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Well I just don't know but every time I see a proper race bike the rear tires seem HUGE and not comparable in size to a 190 you would see on a stock bike. I guess it's just tv that does that.
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Old 10-03-2010, 10:32 PM   #7
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Well I just don't know but every time I see a proper race bike the rear tires seem HUGE and not comparable in size to a 190 you would see on a stock bike. I guess it's just tv that does that.
16.5" rim makes the tire able to be 1" taller.
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Old 10-04-2010, 09:21 AM   #8
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a few of the guys i know racing 1Ks use a 200 for the rear............
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Old 10-04-2010, 01:15 PM   #9
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Dang, some of yall need to relax and cut this guy a break; he's asking a question for 's sake.

MotoGP machines vary their sizes- sometimes 17" wheels, sometimes 16.5", and recently I've seen/ heard of teams experimenting with 16" wheels. The tire width can vary from manufacturer to manufacturer, track to track, or rider to rider, depending on preference and engineering specs. The tire size differs also from wet- dry, etc.

Not likely to see a similar size to the ones we typically ride on the street although it does happen. The similarity we might actually encounter would be in compound of track rubber.

AMA will see a lot more similarities. Some riders run the 16.5" wheels of various tire sizes; again by rider preference or design. Tons of riders run the 17" wheels with very similar or the same size tires that you would find on the street.

Rider preference, suspension setup, and engineering characteristics change the width and size of the tires on race bikes, but the AMA racers would be the closest in similarity to the tires you buy for your bike.

FWIW, some folks locally (like CMRA racers) will also use 16.5" wheels with varying tire sizes also. I'm simple, I stick with the cheaper stuff and tire sizes that are more common and easier to get (reads, "I'm cheap the this works fine").
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Old 10-04-2010, 01:23 PM   #10
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Dang, some of yall need to relax and cut this guy a break; he's asking a question for 's sake.

MotoGP machines vary their sizes- sometimes 17" wheels, sometimes 16.5", and recently I've seen/ heard of teams experimenting with 16" wheels. The tire width can vary from manufacturer to manufacturer, track to track, or rider to rider, depending on preference and engineering specs. The tire size differs also from wet- dry, etc.

Not likely to see a similar size to the ones we typically ride on the street although it does happen. The similarity we might actually encounter would be in compound of track rubber.

AMA will see a lot more similarities. Some riders run the 16.5" wheels of various tire sizes; again by rider preference or design. Tons of riders run the 17" wheels with very similar or the same size tires that you would find on the street.

Rider preference, suspension setup, and engineering characteristics change the width and size of the tires on race bikes, but the AMA racers would be the closest in similarity to the tires you buy for your bike.

FWIW, some folks locally (like CMRA racers) will also use 16.5" wheels with varying tire sizes also. I'm simple, I stick with the cheaper stuff and tire sizes that are more common and easier to get (reads, "I'm cheap the this works fine").
BRAVO good sir!

Great response. Thank you. That's precisely what I was wondering. I didn't take any offense to the other responses, although they didn't really answer my question

The main reason I asked this question was because, each time I've had new tired mounted, or have seen a pair of tires on a rack, I notice their size...

So when I was watching the TT race as it was stalled in the rain, they had an excerpt on tires. The rears look MASSIVE and the fronts TINY in comparison. I just got excited seeing such a huge rear tire

Now I know it's not TOO far off from what we typically ride on

Thanks Tom
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Old 10-04-2010, 01:27 PM   #11
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Yeah, they're pretty close size-wise as far as width and height. Sometimes subtle, sometimes drastic difference by comparison.

From what I have seen of most folks, it's more preference and feel than anything else. Engineering just helps that along so that the highly paid pro, independently wealthy club racer, or the club racer sponsored by Master Card/ Visa, can race with the equipment that makes them more confident in given situations.

'Tis all good.
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Old 10-04-2010, 01:32 PM   #12
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Quote:
Originally Posted by tomLSTD View Post
Yeah, they're pretty close size-wise as far as width and height. Sometimes subtle, sometimes drastic difference by comparison.

From what I have seen of most folks, it's more preference and feel than anything else. Engineering just helps that along so that the highly paid pro, independently wealthy club racer, or the club racer sponsored by Master Card/ Visa, can race with the equipment that makes them more confident in given situations.

'Tis all good.
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Old 10-04-2010, 01:44 PM   #13
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as always, great post , Tom
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