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how tight should my rear bearing be?

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how tight should my rear bearing be?

Old 07-05-13, 05:28 PM
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sledkicker
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how tight should my rear bearing be?

i had to remove the rear wheel on a cheap-o huffy cranbrook to do some custom work, and had to loosen the bearing nut. how tight should it be? tight? torqued? im a professional auto mechanic but new to bicycles.
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Old 07-05-13, 05:37 PM
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More snug than tight i think from memory...Fine line between too tight and loose...Google it....
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Old 07-05-13, 05:39 PM
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Basically just tight enough that there is no play at the rim when the wheel is installed on the bike. You want a very minimal preload on the bearings.
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Old 07-05-13, 05:44 PM
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There are two threaded parts on each side of most hubs - a cone that is part of the bearing and a locknut. A special (thin) wrench is required for the cone. Lots of info online as to how to adjust - Quick release wheels and those mounted with nuts have slightly different requirements. Google adjust bicycle hub, sheldonbrown.com and parktool.com/blog being the best sources. Torque is same as nuts on a car that don't have a spec - just tighten until you get a strong, sudden increase in resistance.
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Old 07-05-13, 05:48 PM
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sledkicker
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thanks guys.
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Old 07-05-13, 06:35 PM
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The way I describe it is you can't FEEL any play, but you KNOW there's the tiniest amount of play.

Probably a good time to add some wheel bearing grease, since the lower end bikes seem to come with a bare minimal amount.
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Old 07-05-13, 07:40 PM
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Originally Posted by cny-bikeman View Post
Torque is same as nuts on a car that don't have a spec - just tighten until you get a strong, sudden increase in resistance.
That is the torque between the locknut and the cone, NOT the torque of the cone against the bearing balls.
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