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Old 11-08-13, 08:21 AM   #1
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Scale for weighing bikes and bike accessories

So I'm on a mission to purchase and modify a utility bike fully equipped with chain guard, fenders, rear rack and perhaps a front basket. However, I live on the third floor of an apartment and I want to make the bike a light as possible, preferably under 30 pounds. Since the specs of most bikes don't list weight, I'm planning to weigh things myself, possibly even weighing bikes in bike shops.

In addition to weighing the bikes themselves I'll be weighing accessories such as baskets and racks. I'll also be weighing my current bikes to have a comparison.

I'm aware that I could easily weigh a bike by standing on a standard bathroom scale and subtracting the difference. I'm more interested in a luggage scale or something similar, but I want to make sure it is suitable for weighing weirdly shaped components like fenders.

What scale would you recommend I purchase? Much appreciated.

Last edited by GeraldF; 11-08-13 at 08:23 AM. Reason: grammar
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Old 11-08-13, 08:30 AM   #2
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just hang the bike by a seat rail or something.
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Old 11-08-13, 09:32 AM   #3
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Originally Posted by mr645 View Post
just hang the bike by a seat rail or something.
I have one of those and it works very well for weighing bikes. I got it Amazon for $2.95 and free shipping:

For weighing individual components however, a scale with finer resolution would be preferable. I use a kitchen scale that reliably goes down the gram level.
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Old 11-08-13, 09:51 AM   #4
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I've used a hanging fish scale for bikes like those linked above.

For smaller items, I use a postal or food scale. Something that weighs up to 5 KG or 10 lbs is good enough.

I've known people to take bike parts into the Post Office to use their scales...
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Old 11-08-13, 01:34 PM   #5
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Park has a scale you grip in the service stand, smaller things a digital postal scale is good.

back in the 60s we used triple beam balance scales .. to just have an exact ounce.
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Old 11-08-13, 01:43 PM   #6
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For smaller parts; I just got an Ozeri kitchen scale.

For whole bikes I use a bathroom scale, lift the bike then stand on scale.

BROMPTON S6L-X, 10.9 KG by 1nterceptor, on Flickr
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Old 11-08-13, 01:55 PM   #7
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I weigh frames wheels every component on a triple beam Ohaus scale
bought locally
I think folks in the " sidewalk pharmaceutical" business changed to digital scales 20 years ago-so they sold their triple beam scales cheap-look on CL

It weighs to 2610 grams-5.7 lbs- easily enough for any frame-no fork- that deserves weighing. My 853 15 jamie dragon is 1860 13 is 1670-any DB CROMO STEEL should be under 2610 grams-maybe some straight gauge cromo steel would be close to 2600 grams
High carbon tubes will be too heavy-

Post office lobbies used to have good quality scales in the lobby-I would use them-put in box-weight-remove from box weight box-subtract-they might object to a greasy bike on the scale-but not to a box
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Old 11-09-13, 08:09 AM   #8
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If you work in an office environment, its in the mail room. Many offices have a Pitney Bowes machine that weighs the mail and packages. Bring your pieces there.
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Old 11-11-13, 04:52 PM   #9
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You can get digital postal scales at Staples, Office Max, or any good office supply store (or online) for under $20. Most weigh up to 15 or 20 pounds, have a tare function, and measure in either grams or ounces/pounds. Scales that weigh down to 1/10 g are relatively inexpensive and plenty accurate for this work. Beware of cheap scales that show results in tenths of a gram but actually have an accuracy of +/- 2 or 5 g.

I have one similar to this and it does double duty as a shop and kitchen scale. I keep it clean by zipping it into a gallon Ziplock bag and changing bags between jobs. You can easily work the buttons and the bag doesn't seem to cause any change in the resulting weights.

For a whole bike or frameset, I use Interceptor's method with a bath scale accurate to +/- 25g but there are hanging fish/game scales that are pretty accurate that you could carry with you if you wanted to spot check bikes on location. Most bike shops have a scale and will weigh a bike if you ask.

Last edited by Myosmith; 11-11-13 at 04:57 PM.
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