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Winter Cycling Don't let snow and ice discourage you this winter. The key element to year-round cycling is proper attire! Check out this winter cycling forum to chat with other ice bike fanatics.

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Old 01-09-09, 10:48 PM   #1
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knobby tires with a tiagra road brake?

So, this has probably come up before, and been done to death.
I want to put some wintery tires on my fixed gear road bike. will some 700x30's interfere with my front brake or will i need to use something else?
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Old 01-09-09, 10:58 PM   #2
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it depends on the geometry of your bike.

should be at least 35mm of space between the edge of the rim and the crown of the fork as well as at least 35mm of width between the inner edge of the fork where the tyre would be.

I know that tektro R536 brake calipers can go as large as 32mm depending on fork.
Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
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Old 01-10-09, 10:35 AM   #3
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Larger volume tires may also rub the BB bridge without touching the calipers.

This is probably a trial and error exercise.
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