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Front brake pads rubbing on front tire?

Old 04-06-17, 03:53 AM
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Front brake pads rubbing on front tire?

So I started biking last summer & fall to lose weight, lost 67 lbs biking down from 220 to 153 lbs. I recently bought a Trek Hybrid and noticed I have the same problem I had with my Huffy and Schwinn mountain bike, having the front break pad rub against the front tire. The lady at the Trek store helped me put the bike in my car by taking off the front tire using the quick release, but I noticed when I got home I wasn't putting the tire back on properly. I noticed the tire wasn't centered when I put the tire back in and that was causing rubbing so I made adjustments and rode the bike, but the next day I flipped the bike over and spun the front and back tires. I still noticed the front break pad was slightly brushing against the front tire and felt a slight resistance. The back tire had a very smooth spin and I didn't feel any resistance from the back break pads. How do I get the front tire to spin as smoothly as the back tire without having it brush against the break pad?

What am I doing wrong when I put the front tire back on using the quick release? Does it matter which way I put the tire on? I tried flipping the tire around to see if that made any difference, but I had the same problem. Does it matter ?

Last edited by littleArnold; 04-06-17 at 03:59 AM.
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Old 04-06-17, 04:20 AM
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You need to clarify the problem. Is the brake pad rubbing against the "tire," or is it rubbing against the wheel/rim?
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Old 04-06-17, 04:26 AM
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If I were you I would go thru this checklist...
1. Check tube valve is it straight? make sure your inner tube is straight.
2. Check tire bead all around both sides make sure looks even and not stuck in rim, and that tire looks centered. Release some air and while holding rim down pinch and pull tire up and center, or roll towards center.
3. While holding by only quick release ends spin wheel and make sure there isn't a significant wobble in hub or rim
4. With your thumb and middle finger tips on both sides of rim, feel for any dents or cracks all the way around.
5. make sure ur quick release is straight and springs are facing right direction.
6. Place wheel in dropouts, is the axle sticking out from forks, or not enough?
7. Place one finger in between fork and spokes to keep steady and centered, while screwing on or tightening quick release. Try to only mess with one side when you take on and off wheel makes it easier in the long run. Some minor adjustment from the quick release lever side and do not over tighten when closing. pull down on wheel does stay put, or slightly give.

hope this helps
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Old 04-06-17, 04:29 AM
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oh I forgot
check the brakes before putting wheel back on re center if needed

and

check air pressure make sure there is enough
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Old 04-06-17, 04:31 AM
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I would keep the quick release on the same side it came on, same with wheel.
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Old 04-06-17, 06:32 AM
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Greetings, take your Trek back to the Trek Store, and have them adjust your BRAKES.
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Old 04-06-17, 07:34 AM
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Originally Posted by bobwysiwyg
You need to clarify the problem. Is the brake pad rubbing against the "tire," or is it rubbing against the wheel/rim?
This is important information. There is a big difference between a brake rubbing against a tire and a brake pad rubbing against the rim of the wheel. Tire/rim/wheel are not interchangeable terms
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Old 04-06-17, 08:02 AM
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  1. Make sure the wheel is centered in the forks. If not, try loosening and reseating it in the fork dropouts. If it can't be easily centered, it could be a manufacturing defect (not necessarily bad), but talk to your bike shop about it.
  2. V-Brakes have a small tension adjustment screw on the side which can help get both sides to center properly.
  3. When the V-Brakes are installed, the return spring has 3 holes that it can be in. It should be the same on both sides, but allows a crude tension adjustment. Remove the brake arms to access them (or can be seen from behind).
  4. When installing brake pads, there is a stack of spacers. They should be the same on both sides.
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Old 04-06-17, 01:52 PM
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Your mistake is flipping your bike upside down before reinstalling your front wheel. If you stand your bike upright when you install your front wheel, the weight of the bike will seat the wheel axel in the dropouts.
that way your wheel will be centered and your brakes won't rub onyour tire.

FWIW, riding with a brake that rubs the tire is real bad. Brakes can rub through your tire quite quickly and cause you to have a blow out.
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Old 04-06-17, 03:27 PM
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Originally Posted by alcjphil
This is important information. There is a big difference between a brake rubbing against a tire and a brake pad rubbing against the rim of the wheel. Tire/rim/wheel are not interchangeable terms
It is rubbing against the rim of the wheel, the metal part.
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Old 04-06-17, 03:33 PM
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Make sure it is properly centered in the dropouts, then see the notes above about adjusting the brakes (or other notes online).

Also, note if the wheel has a significant wobble (> 1mm), then truing the wheel will help.

If it is a new bike, why don't you take it back to the shop and have the mechanics tune it up, and help you with the adjustments. Hopefully they'll tell you what they're doing.
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Old 04-06-17, 03:50 PM
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Originally Posted by littleArnold
It is rubbing against the rim of the wheel, the metal part.
It goes without saying that the rim is metal .This was important to know. A rim is not a tire and is much less dangerous than tire rub which could cause a blowout. Next you have to determine whether the rub is intermittent or constant. Intermittent rub is caused by wheels that are not true. This can be corrected by adjusting spokes. If the rub is constant, either the wheel has not been installed properly, the brakes are not properly adjusted, or the wheel itself is off center. From previous postings, my bet is that the cause is choice number 1.
Read post #9, you should always install your wheel with the bike upright

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Old 04-06-17, 06:22 PM
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Originally Posted by alcjphil
It goes without saying that the rim is metal .This was important to know. A rim is not a tire and is much less dangerous than tire rub which could cause a blowout. Next you have to determine whether the rub is intermittent or constant. Intermittent rub is caused by wheels that are not true. This can be corrected by adjusting spokes. If the rub is constant, either the wheel has not been installed properly, the brakes are not properly adjusted, or the wheel itself is off center. From previous postings, my bet is that the cause is choice number 1.
Read post #9, you should always install your wheel with the bike upright
It is a constant slight rub. The bike still rides well, much better than my Huffy and Schwinn. I rode it today. Spinned both wheels and noticed a very slight constant rubbing of the breaks on the rim. It is very slight rub and doesn't really seem to have an impact on the bikes performance, but would be nice if I could fix it.
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Old 04-07-17, 07:08 AM
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Originally Posted by littleArnold
It is a constant slight rub. The bike still rides well, much better than my Huffy and Schwinn. I rode it today. Spinned both wheels and noticed a very slight constant rubbing of the breaks on the rim. It is very slight rub and doesn't really seem to have an impact on the bikes performance, but would be nice if I could fix it.
YouTube is your friend, watch some video's on how to install front wheels, and how to adjust BRAKES! Then, if you still have no clue how to do it, take your new Trek back to the Trek Store, and have them do it.
Good Luck
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Old 04-07-17, 08:05 AM
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Originally Posted by littleArnold
It is a constant slight rub. The bike still rides well, much better than my Huffy and Schwinn. I rode it today. Spinned both wheels and noticed a very slight constant rubbing of the breaks on the rim. It is very slight rub and doesn't really seem to have an impact on the bikes performance, but would be nice if I could fix it.
Well, either
1- you are not seating the wheel in the dropout fully before tightening the QR on the wheel or
2- your brakes need adjustment


#2 is easy enough to check, just loosen the QR and make sure . It that is not the problem, bring it back to the store and have them show you how to adjust the brakes.
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Old 04-07-17, 05:33 PM
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Originally Posted by Kapusta
Well, either
1- you are not seating the wheel in the dropout fully before tightening the QR on the wheel or
2- your brakes need adjustment


#2 is easy enough to check, just loosen the QR and make sure . It that is not the problem, bring it back to the store and have them show you how to adjust the brakes.
Thanks that helped! I think it was both 1 & 2 I read online you want quick release on left side and I was putting the quick release on right side that helped a little. I also was closing the quick release the wrong way, when I was closing it shut it said open instead of closed. I also got a screwdriver and adjusted the breaks a little and now there is a very small space between the breaks and rim just like how the back breaks are. I spun the wheel and didn't hear the breaks brushing against the rim at all, then I tested the breaks and they still worked great. Rode bike for about an hour to test the adjustments and the bike rode well. Thanks everyone for help

Last edited by littleArnold; 04-07-17 at 05:38 PM.
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Old 04-07-17, 05:43 PM
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Originally Posted by littleArnold
Thanks that helped! I think it was both 1 & 2 I read online you want quick release on left side and I was putting the quick release on right side that helped a little. I also was closing the quick release the wrong way, when I was closing it shut it said open instead of closed. I also got a screwdriver and adjusted the breaks a little and now there is a very small space between the breaks and rim just like how the back breaks are. I spun the wheel and didn't hear the breaks brushing against the rim at all, then I tested the breaks and they still worked great. Rode bike for about an hour to test the adjustments and the bike rode well. Thanks everyone for help
Kudos for adjusting the brakes yourself!
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