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Rear axle nut

Old 09-25-21, 12:14 PM
  #1  
JDme
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Rear axle nut

Is there a standard size for the rear axle nut on bikes? I need to know which wrench to get.
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Old 09-25-21, 01:16 PM
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alcjphil
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Chances are good that you need a 15mm wrench, but that is a guess without knowing what bike you have.
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Old 09-25-21, 01:17 PM
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Iride01 
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Maybe just get an adjustable wrench. Then you can do more different sizes.

Of course you'll have to decide if you need a metric or standard adjustable wrench<grin>
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Old 09-25-21, 01:39 PM
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SurferRosa
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Take the nut (or bike) to the hardware store?
Buy a $3 digital caliper on eBay?
Upgrade to a hollow axle with skewer?

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Old 09-25-21, 02:35 PM
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Probably a 15mm wrench will work, as @alcjphil suggests. An adjustable wrench will work, but has a higher risk for damaging the nut. The box end of a combo wrench is the preferred tool. About the only bikes with nutted axles I encounter with something other than metric axle nuts are old American bikes with SAE spec nuts.
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Old 09-25-21, 02:55 PM
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kahn
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Originally Posted by Iride01
Maybe just get an adjustable wrench. Then you can do more different sizes.

Of course you'll have to decide if you need a metric or standard adjustable wrench<grin>
Oh, is that the one with the little lever/switch to choose between Imperial or Metric?
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