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Bad advice that made you laugh

Old 05-26-17, 11:13 AM
  #26  
TimothyH
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A 500 lumen light is enough.
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Old 05-26-17, 01:36 PM
  #27  
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IME, it can only be funny if not taken. once ingested, it's loses all potential WRT humor.
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Old 05-26-17, 02:13 PM
  #28  
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Originally Posted by TimothyH View Post
A 500 lumen light is enough.
Don't know how "bad" this is... I'd say a 500 lumen light is enough for commuting. Maybe not for road biking in the dark and definitely not enough for mountain biking.
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Old 05-26-17, 02:33 PM
  #29  
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"I put only 20-50 wt. oil in my volkswagens... how much do i owe you for the engine rebuild?"

"i don't care if the sprockets are worn out, i KNOW i need a new clutch, because my buddy said so"

"Deflate the inner tube completely before installing it, that will prevent flats"

"lube your cables with WD40 once a week, or they get sticky"

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Old 05-26-17, 02:57 PM
  #30  
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Originally Posted by maddog34 View Post
"lube your cables with WD40 once a week, or they get sticky"
Technically, this WOULD work, probably very well, if you kept it up. WD-40 does have a very light lubricant that would last for about a week in an enclosed environment. Then the solvent would clean everything else that was in there.
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Old 05-26-17, 02:58 PM
  #31  
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Originally Posted by davidad View Post
The main product that bike manufacturers sell is BS.
This.

The amount of BS I've been told at bike shops is astounding.

I have to say though I've bumped into a couple of folks at bike shops that have really steered me well. That is definitely the exception though.
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Old 05-26-17, 03:27 PM
  #32  
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Bought a 27" tire at my respected bike shop, installed it and rode on it for several years. Then got a gift certificate for another LBS. Went to them to buy a new tube for this wheel and to use up the certificate. I took in the tire (off the rim) and wheel, asked for a tube that would fit this tire and rim. Was told quite clearly that I can't put that tire on that rim - it fit too loosely and would blow off the rim when I aired it up. It didn't seem to matter that I'd been riding it successfully for four years already.
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Old 05-26-17, 04:28 PM
  #33  
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Originally Posted by corrado33 View Post
Technically, this WOULD work, probably very well, if you kept it up. WD-40 does have a very light lubricant that would last for about a week in an enclosed environment. Then the solvent would clean everything else that was in there.
ummmmmm... ya, ok.... ;-D

WD40 is kerosene in a can, with a tiny, tiny, amount of 5 wt. oil added. Kerosene is closer to the aromatic end of the petroleum spectrum than oil.

think about that.

i own exactly zero cans of WD40, BTW....
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Old 05-26-17, 04:38 PM
  #34  
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I overhear bad advice daily at the gym.
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Old 05-26-17, 06:47 PM
  #35  
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Originally Posted by leob1 View Post
Mix alcohol with motor oil for a cheap bike lube.
Sounds like a bad cheap cocktail.
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Old 05-26-17, 07:02 PM
  #36  
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Originally Posted by Jarrett2 View Post
This.
I have to say though I've bumped into a couple of folks at bike shops that have really steered me well. That is definitely the exception though.
Nice kid's "MTB" with aluminum frame. Rear derailleur hanger got stripped in a fall. Went to about half a dozen full- service bike shops. " It's junk. Can't be repaired. Buy a new one." I'm a hobbyist mechanic, know they're blowing smoke up my backside.
Find a bike shop says they can fix when I told them the problem, told me the way I knew it could be done. Hadn't even looked at the frame! Bike went to new kid after another 5 years and still going strong. Bike shop has had majority of my business since.
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Old 05-26-17, 07:21 PM
  #37  
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I asked about having Chinese CF wheels trued at the local Trek store was told they wouldn't touch anything "made in China". They had a showroom full of sub $2K Treks..........
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Old 05-27-17, 05:13 AM
  #38  
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Originally Posted by Mr IGH View Post
Listening to an "expert" tell a 350lb rider that 2.0mm/1.8mm double butted spokes are a better choice than 2.0mm straight gauge spokes for their wheels.
I don't get it. Using double butted spokes instead of straight gauge is great advice, especially for a heavier person. Butted spokes are stronger than straight gauge ones with the equivalent end thickness
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Old 05-27-17, 06:24 AM
  #39  
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Originally Posted by elcruxio View Post
I don't get it. Using double butted spokes instead of straight gauge is great advice, especially for a heavier person. Butted spokes are stronger than straight gauge ones with the equivalent end thickness
That one threw me as well. Butted spokes are absolutely better. More butts are more better, too. I don't use anything but DT Swiss Alpine 3's with brass nipples in my personal wheel builds. The ~30 gram per wheel weight penalty over DT Competition is nothing to me. I'm slowly converting my shop to Competition instead of Champions as we run out of certain sizes.
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Old 05-27-17, 07:02 AM
  #40  
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Not so much bad advice, but ideas, words, and terms seemingly from outer space: (Only one of these was from an LBS)

"The alloys wheels on your carbon frame will cause modulus, it's like shaking. You really should use carbon wheels"
"The paint on my Kestrel is malleable and can be polished easier than other paints."
"Disc brakes will smooth out your ride, because they aren't directly grabbing the wheel."
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Old 05-27-17, 07:29 AM
  #41  
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Originally Posted by elcruxio View Post
I don't get it. Using double butted spokes instead of straight gauge is great advice, especially for a heavier person. Butted spokes are stronger than straight gauge ones with the equivalent end thickness
You could not have build wheels for a 300lb clyde, they rip 2.0/1,8 spoked wheels to shreds. I see the clydes after they've crushed a few DB rear wheels, the wheelbuilder is saying it's time for a 40spoke wheel. I set him up with proper spokes and 32H rim, never has trouble going forward.
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Old 05-27-17, 07:33 AM
  #42  
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Originally Posted by Darth_Firebolt View Post
That one threw me as well. Butted spokes are absolutely better. More butts are more better, too. I don't use anything but DT Swiss Alpine 3's with brass nipples in my personal wheel builds.....
I specifically stated 2.0/1.8 spokes, not Alpine. Alpines are not needed (a crutch for untrained wheelbuilders) but they don't make a weaker wheel. 2.0/1.8 instead of 2.0 does. I'm speaking of heavier, more powerful riders, 150lb riders with 300W peak power can ride anything and make silly claims about DB spokes....
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Old 05-27-17, 10:25 AM
  #43  
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Originally Posted by Mr IGH View Post
I specifically stated 2.0/1.8 spokes, not Alpine. Alpines are not needed (a crutch for untrained wheelbuilders) but they don't make a weaker wheel. 2.0/1.8 instead of 2.0 does. I'm speaking of heavier, more powerful riders, 150lb riders with 300W peak power can ride anything and make silly claims about DB spokes....
I guess 225 with 60 pounds of groceries doesn't count? Or a guy that weighs 260 pounds, puts 80 pounds on his rear rack, and pulls a bob trailer across Oklahoma and back on b roads? Thanks for assuming who I personally build wheels for, and for calling me silly. Alpines are absolutely needed in the wheels i build.
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Old 05-27-17, 10:48 AM
  #44  
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Originally Posted by corrado33 View Post
Technically, this WOULD work, probably very well, if you kept it up. WD-40 does have a very light lubricant that would last for about a week in an enclosed environment. Then the solvent would clean everything else that was in there.
WD-40 shouldn't be withing 10 feet of your bike at any time, not even your chain. In the short term it looks like it works but in the long run you are screwed. If you happen to get any on your bike it needs to be followed up by a proper oil.
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Old 05-27-17, 11:16 AM
  #45  
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Originally Posted by Mr IGH View Post
I specifically stated 2.0/1.8 spokes, not Alpine. Alpines are not needed (a crutch for untrained wheelbuilders) but they don't make a weaker wheel. 2.0/1.8 instead of 2.0 does. I'm speaking of heavier, more powerful riders, 150lb riders with 300W peak power can ride anything and make silly claims about DB spokes....
Spokes usually break from fatigue, the ones with thinned down middle are more resistant to fatigue. For all I know, the advice you ridicule is a good advice, tried and tested, confirmed both in theory and practise.
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Old 05-27-17, 12:23 PM
  #46  
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Originally Posted by Slaninar View Post
Spokes usually break from fatigue, the ones with thinned down middle are more resistant to fatigue....
Not supported by any engineering principal or computer simulation. Real life wheels prove the assertion is a fable.
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Old 05-27-17, 12:25 PM
  #47  
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Originally Posted by Darth_Firebolt View Post
I guess 225 with 60 pounds of groceries doesn't count? Or a guy that weighs 260 pounds, puts 80 pounds on his rear rack, and pulls a bob trailer across Oklahoma and back on b roads? Thanks for assuming who I personally build wheels for, and for calling me silly. Alpines are absolutely needed in the wheels i build.
I can build that same wheel with SG 2.0 and you'd never be able to tell any difference. The title says it all, I'm laughing....
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Old 05-27-17, 04:55 PM
  #48  
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Originally Posted by Slaninar View Post
Spokes usually break from fatigue, the ones with thinned down middle are more resistant to fatigue. For all I know, the advice you ridicule is a good advice, tried and tested, confirmed both in theory and practise.
Yes, he's been flogging his ideas about straight gauge spokes around here for awhile. No amount of mfg info or pro wheel builder feedback has changed his mind! Great fit for this thread!!
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Old 05-27-17, 05:23 PM
  #49  
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Bad advice that made you laugh?

Everyday on BF!
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Old 05-27-17, 08:21 PM
  #50  
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WD-40 Stands for Water Displacement formulation #40 (it was the 40th try). It is made from fish oil. It is good stuff, as long as you don't use it for lube. Think of it more as a cleaning agent. Using it to clean your bike, especially after rain, sweat, or more nasty stuff, actually is decent advice.

Motor oil and alcohol may make sense, after you first drink the alcohol
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