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Old 09-08-09, 06:50 AM   #1
Visage of Scott
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Rear brake engages while turning left

Hey, this might be a dumb question but I'll ask it anyway:

I got a new Raleigh Clubman, which is my first real road bike. I noticed that when I turn the front wheel left, the rear brake engages and actually starts hitting the wheel after I've turned the front wheel more than about 30 degrees off center...by the time I hit about 50 degrees the brake is fully engaged. The brake cable goes down the left side of the bike (not the drive side), so it seems like if this issue happened it would be when turning the other direction...but it doesn't. There seems to be plenty of extra cable from the handlebars to the brake...almost too much, so maybe that's the issue?

Then again, usually when I'm riding it around I don't think I'm turning the front wheel 45+ degrees off center to make turns...so maybe this is normal?

Is this something I should be worried about, and if so how should I address it? I had the bike shipped to me and assembled it myself, and took it into a local bike shop who told me it was in good shape before I noticed this issue.
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Old 09-08-09, 07:16 AM   #2
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'Sounds like the rear brake cable may be too short or being pinched somehow.
I'd take it back to the shop and tell them they missed something during the inspection.
(The entire length of the cable needs to be looked at. The problem is probably close to the front of the bike.)

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Old 09-08-09, 07:43 AM   #3
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+1
Cable too short or binding is the first place I'd look, too.
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Old 09-08-09, 12:31 PM   #4
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You'll need a new cable and cable-housing. Make certain to keep it long enough so it doesn't bind when turning the handlebars all the way both left and right.
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Old 09-08-09, 12:45 PM   #5
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Does your Clubman have full length housing? ie: housing all the way from brake lever to brake caliper. If it does then I would say it's somewhat normal. My Bianchi which has full length housing tends to activate the brake somewhat when turning the bars sharply to the left. It's not a problem when riding. And no way would I say the brake is fully engaged. You may need to set the rear brake slightly more loose that the front.
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Old 09-08-09, 04:13 PM   #6
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The front wheel should turn very little with normal riding.
Not saying you shouldn't fix it.
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Old 09-08-09, 04:13 PM   #7
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Originally Posted by Visage of Scott View Post
Then again, usually when I'm riding it around I don't think I'm turning the front wheel 45+ degrees off center to make turns...so maybe this is normal?
I don't think it's normal, but the only times you'll turn the bars anywhere near that much are when walking the bike or when biking at 3mph.
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