Mountain Bike Hub Adjustment

How much to replace a rear hub on a bicycle?
I have this real cheap mountain bike from Walmart and the rear hub seems to either need adjustment or needs to be replaced. How much would this cost if I took it to a bicycle repair shop for a cheap mountain bike?
Try to adjust it first. Those things were assembled in a hurry and they come loose. You can do that yourself. It could be the runner and cone that form the bearings getting loose. If you have not lost any balls is very simple thing. Even missing a couple balls you could still ride for a while. This is a simple repair and is a good thing to learn on a cheap bike but it could happen in an expensive one too although not so likely. If you have some mechanical inclination you could fix it to better than new. It is also recommended to repack the bearings with grease as regular maintenance, so you should learn how to do it anyway. No need to buy a new tire every-time that the bearings need adjustments. Follow the link.
Mechanical Parts & Concepts of Mountain Bikes : Adjust a Mountain Bike Rear Derailleur
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Shimano Acera SL-M310 Rapid Fire Shifter, Right (Black, 7-Speed) $13.59 Upgrade your hybrid or mountain bike with the easy-to-use Acera SL-M310 Rapid Fire Shifter from Shimano. Offered at an entry level price-point, this right-side, rear shifter allows you to rapidly shift between the 7 speeds on your bike’s rear cassette. Compatible with most mountain/hybrid bike styles with flat handle bars, the shifter offers an ergonomic design and an indexed speed indicator for e… |
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