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Old 03-06-10, 06:49 PM   #1
invu
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Thinner Tires

Hi, I really don't know much about bikes. But I currently have a Trek 7.1 fx. The rims measure 622x16, stock tires are 700cx35. I was wondering what's the min tire width i can go with and whether or not I need a new inner tube also.

thanks in advance
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Old 03-06-10, 08:23 PM   #2
dr1445
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have a read here and check out the chart on inner rim width vs tire size.
http://www.sheldonbrown.com/tire-sizing.html
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Old 03-06-10, 11:43 PM   #3
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You should be able to put a 700 X 28C on the rims. And in my book - a 28C is the best size for a hybrid if you want to go fast on pavement - and still have a good hold on trails.
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Old 03-07-10, 06:38 AM   #4
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around here the back roads are maintained by spaying a layer of tar and then dumping truck loads of small sharp stones and letting the traffic compress the stones into the road. that kind of surface sets up a high frequency buzz on my steel puch with michelin city 28mm tires. i have kenda kwest hp 35mm on my steel bianchi hybrid and experience less buzz, but the 28 is a faster roll, no question. your choice on the comfort factor vs speed.
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Old 03-08-10, 11:11 AM   #5
invu
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thanks for the responses. If I switch to thinner tires, would i be able to use the stock tubing?
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Old 03-08-10, 11:19 AM   #6
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I run two wheelsets on my Trek... Kenda 35 cross tyres for winter / spring riding and hitting the trails and Marathon 28's for summer / fall commuting / touring.

Really would like to build up a wheelset with some 700:51's for more extreme expedition touring and off road riding since I have the frame clearance for 2 inch 29'r tyres and bet these would be great for winter too.

The 700:35 tyyres offer a nice balance between speed, comfort, and all around capability.
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