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Old 07-06-12, 07:44 AM   #1
jppe
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Another DIY gone awry

It wasn't me but my brother. He replaced the bearings in his headset and thought he had them in correctly--followed the instructions as best he could. Apparently he had one of them upside down. It wound up scoring the carbon steer tube so now he is having to replace the whole fork and is without his primary ride for several weeks. When will he learn........
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Old 07-06-12, 07:48 AM   #2
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OUCH!!! Sharp pain in the wallet just hit me.

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Old 07-08-12, 06:38 PM   #3
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There are some things better left to your LBS.
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Old 07-08-12, 06:49 PM   #4
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There are some things better left to your LBS.
That is a highly individual decision. I remain a die-hard fan of DIY, but do appreciate the cautionary tale.
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Old 07-08-12, 07:19 PM   #5
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That is a highly individual decision. I remain a die-hard fan of DIY, but do appreciate the cautionary tale.
....and most of us are perfectly willing to accept the consequences and even know when to stop and get help.

I was installing a crankset in a new frame last year and the bottom brackets didn't feel right. I stopped....and drove to my LBS with the frame. The mechanic was happy in that he said, "I get to use the most expensive tool in the shop!"

I didn't know it at the time but he was referring to the Park Tool BTS-1 Bottom Bracket Tap and Facing Set....about $450.

$20 and 10 minutes later, I was good to go.
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Old 07-08-12, 07:27 PM   #6
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It isnt difficult taking it apart....you just have to pay particular attention to detail when putting it back together. Patience helps in this effort.
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Old 07-08-12, 07:29 PM   #7
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I really didn't think that bearings needed to be replaced in modern bikes. The last time I did that was in the '70's. What kind of headset was he working on?
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Old 07-08-12, 07:32 PM   #8
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Don't discourage your brother. Sure that's expensive, but he'll never fail to take care with bearings again. DIY rules. There is something very satisfying about riding a bike you have built and maintained yourself.
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Old 07-08-12, 07:32 PM   #9
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Having worked in the oilfields most of my life, I'll attempt most anything. But I don't do bottom brackets and headsets (well, okay, I'll lube them). And my nearest LBS is 70 miles away.

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Old 07-08-12, 08:13 PM   #10
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Don't discourage your brother. Sure that's expensive, but he'll never fail to take care with bearings again. DIY rules. There is something very satisfying about riding a bike you have built and maintained yourself.
OTH, I personally find that time spent working on bikes only takes away from riding time. Or time spent watching Inspector Lewis. You can't multitask and watch Inspector Lewis.
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Old 07-08-12, 08:29 PM   #11
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Bikes are simple and easy to work on.



Accept when they are not.
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Old 07-09-12, 06:04 AM   #12
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He should get a few of the good books out for cycling mechanics. Zinn's books on bicycle maintenance, "Zen and the Art of Bicycle Maintenance" and "Zen and the Art of Road Bike Maintenance", Eugene Sloane's "Complete Book of Bicycling", Park Tools "Big Blue Book" (very good book!). There are many more, these are some of the ones I have and use when I have an eye poker of a problem working on a bike.

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Old 07-09-12, 07:17 AM   #13
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Hurray for digital cameras.... I take pictures when taking things apart. It helps when putting them back together.

Not Bike related but sort of.... Put a spacer in backwards on a 4x4 front axle. Bearing lasted about a week. I now keep my military (squeaky) bearing on my desk as a paperweight.
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Old 07-10-12, 08:17 PM   #14
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I'm kind of amazed he could do that and not notice.

I've put HS bearings in backwards, and it was VERY obvious...
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Old 07-11-12, 08:45 AM   #15
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Not one of us has not made a mistake, the good thing is if we learn form them. Some lessons cost more than others.
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Old 07-11-12, 08:55 AM   #16
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I'm kind of amazed he could do that and not notice.

I've put HS bearings in backwards, and it was VERY obvious...
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I really didn't think that bearings needed to be replaced in modern bikes. The last time I did that was in the '70's. What kind of headset was he working on?

According to him they were a little different than other HS bearings he had installed in the past. I know the frame/fork is a Trek. I think it's the first year they came out with the Seat Mast. I think in the past they have used Cane Creek HS's but not sure about this model.
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Old 07-11-12, 09:31 AM   #17
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That makes a good case for always having at least 2 bikes in the stable.
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Old 07-13-12, 12:38 PM   #18
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That makes a good case for always having at least 2 bikes in the stable.

He is putting a lot more miles on his steel framed Eddie Merckx!!
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