How to Check a Bicycle Rear Hub

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Part of the video series: Common Bicycle Repairs

Summary: Learn how to check the rear hub of a bicycle, and what tools you'll need, like a free wheel tool and bench vice, get more expert repair tips in this free bicycle repair video clip.

Views: 2,931 | Tags: repair, biking, riding, bicycle, bikes, bicycles, fit, cycling


About the Expert

Parker Ramspott Parker Ramspott has owned and operated a bicycle store in Amherst, Massachusetts for over 20 years. This experience combined with his skill as a mechanic mak... read more

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Video Transcript

How to Check a Bicycle Rear Hub

The rear hub on a bike can be loose. You want to check it just as we did the front by moving it side to side. If you detect some play or the fact that it's not rolling very easily you would again take it off the bike, grab the lock nuts, as we did the front, move them side to side, if you can detect some play, it needs an adjustment. And the same as the front, it requires a cone wrench and an open end wrench, you know a pair of cone wrenches is usually a good one. At least one open end wrench for the lock nut. More importantly to properly overhaul, or adjust the rear hub, you do need a tool to remove the free wheel, so you can get at actually the cone surface on one side. Very often rear hubs are loose and the lock nut and cone that need to be addressed are actually behind the free wheel so this actually has to be removed with a special tool, a free wheel tool and a large wrench or a bench vice to take this off the bike and then you can make a good adjustment and then put the free wheel back on. In the case of more modern hubs that utilize a cassette, you actually have to disassemble the cone and lock nut on this side enough to expose the tool surfaces on the drive side. Make sure they're properly tight, push it back in and make your adjustment on the non-drive side. Again, these are operations that do require some practice and the proper tools and I do recommend you take it to a shop and have it done if you haven't done it yourself or have a hub you can practice on and not your best stuff.

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