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wheel doesnít move when I pedal..

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wheel doesnít move when I pedal..

Old 08-17-20, 05:28 PM
  #1  
bodewinham
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wheel doesnít move when I pedal..

just got a new bike from walmart a week ago to get me to work. iíve been taking it to and from work every day until this morning when I jumped on it to go and the pedals wouldnít move the wheels. the pedals will go, but they make this weird grinding sound. the chain (I think thatís what itís called?) seems to be loose. I donít know anything about bike mechanics so I apologize if this is a stupid question, but what happened/how would I go about fixing this?

(if additional info is needed to determine just ask)
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Old 08-17-20, 05:30 PM
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Bill Kapaun
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Is the chain properly looped over the chain ring and rear cog with the teeth fully engaging?

Are the rear cogs turning, but not engaging the hub?
If so, the free wheel is bad. Take it back.
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Old 08-17-20, 05:39 PM
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fietsbob
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just got a new bike from Walmart a week ago
well that is your first mistake .. they have people no mechanical skills putting them together..
is the fork still facing backwards, that is classic Walmart, Target etc..

get your money back & go to a bike shop with decent mechanics working there..

even a bike recycling used bike shop..
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Old 08-17-20, 06:28 PM
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Originally Posted by fietsbob View Post
well that is your first mistake .. they have people no mechanical skills putting them together..
is the fork still facing backwards, that is classic Walmart, Target etc..

get your money back & go to a bike shop with decent mechanics working there..

even a bike recycling used bike shop..
Your answer is beyond useless. OP has a question about why their functional bike stopped functioning, and you decide to brow beat them over where they decided to make their purchase? You are the worst type of cancer on this board. Get lost.


OP, look up a video or two on how to install a bicycle chain, and how to maintain your drivetrain. Your description of the problem was pretty vague, but it does sound like the simplest answer is that your chain has dropped off the front or back cogs. Post some pictures if you can, and then we can help you more.
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Old 08-17-20, 06:56 PM
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Originally Posted by BoraxKid View Post
Your answer is beyond useless. OP has a question about why their functional bike stopped functioning, and you decide to brow beat them over where they decided to make their purchase? You are the worst type of cancer on this board. Get lost.


OP, look up a video or two on how to install a bicycle chain, and how to maintain your drivetrain. Your description of the problem was pretty vague, but it does sound like the simplest answer is that your chain has dropped off the front or back cogs. Post some pictures if you can, and then we can help you more.
He can't post pics yet, he's still a wee one. Bill described a good remedy to diagnose the problem, but I think Bill was too technical for this rider. It's one of 2 things, the chain fell off the rear gear (or front gear) or the rear hub failed. I'm leaning toward the chain is between the 'frame' and gears. Good luck
Oh yeah, ignore the hoity toity got more money than brains trying to brow beat you because you bought local at your Walmart. Some of us buy bikes from Wally World simply because we like a challenge and others because that's what's affordable. If you're not sure biking is for you but you want to try it, for under 100 bucks Wally will put you in the saddle. If you decide it's for you, upgrade. Visit the LBS (loco bike shop) and enjoy.
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Old 08-17-20, 07:00 PM
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Big box discount stores no matter who they are generally don't have the the highest skilled persons putting bikes together. I've personally got nothing against the bikes they sell. They are okay for what they are. An inexpensive bike.

I'd just recommend you take it to a local bike shop and let them go over it and ensure everything is put together correctly and adjust the derailleurs, brakes and other stuff that need adjusting. It won't be too much money. But if there is something broken, you need to decide whether to return the bike for a replacement or refund to the store you got it from. Or you can pay the bike shop to fix it. The bike shop probably will not be able to work with a warranty claim for it.

If the person at the bike shop gives you too much of an attitude because it's from a big box store, then find another bike shop or ask the guy if he wants your potential future business or not. The bike shops around me wouldn't care where you got the bike from. They are happy you came in their store.

Last edited by Iride01; 08-17-20 at 07:05 PM.
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Old 08-17-20, 07:01 PM
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Chain fell off.

Stick it back on (to the front cog).

Job done.
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Old 08-17-20, 07:07 PM
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Old 08-17-20, 07:16 PM
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Look for a bike "Co-Op" near you. These are community shops usually staffed by volunteers to help you learn to fix your bike and sometimes have a good supply of tools that you can use while there. A donation is always appreciated but some are pay-what-you-can-afford. Sounds like there is a good chance your chain is simply off the front or rear sprockets but only guessing. Here is a photo of a bike with parts terminology which can also help you describe parts for us on the forum and assists in finding how-to videos and articles on the web. https://bicycles.stackexchange.com/q...cling-concepts
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Old 08-17-20, 08:50 PM
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Good chance that the wheel slipped out of the dropouts and is now rubbing against the frame or the brakes. Make sure it's properly in the frame before any other troubleshooting.
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Old 08-17-20, 10:21 PM
  #11  
cpach
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I agree that there's often too much elitism directed at Walmart bikes etc, but it is true that they are usually very poorly assembled, even when the actual parts on the bike are, if not great, often (though definitely not always) serviceable. Bodewinham, if you need to rely on this bike as functional transportation, I really would recommend you get it checked for correct assembly by a professional mechanic or with the help of someone at a bicycle cooperative if you can. Many bike mechanics can empathize with the need to keep costs in check--just clearly state that you need to be able to rely on the bike, but want to keep costs low (as is appropriate to the bike) and don't necessarily have high expectations for its performance or long term service life.

With basically no specific information, my guess is that the chain dropped off the chainring, which is the gears in the front. The front derailleur is the mechanism that pushes the chain to shift in the front, and it's probably poorly adjusted which makes dropping the chain happen more easily.

If you are interested in doing work on the bike yourself, you could probably get your bike a large proportion of the way to being correctly assembled with the proper application of skill, 4 and 5 mm hex wrenches, and a screwdriver adjusting the shifting and brakes.

https://www.parktool.com/blog/repair...-brake-service
https://www.parktool.com/blog/repair...eur-adjustment
https://www.parktool.com/blog/repair...eur-adjustment
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Old 08-18-20, 07:01 PM
  #12  
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When you do get it working again, you might consider finding a way to lift the rear wheel off the ground so you can turn the pedals with your hand and watch how it works (for example, loop a rope under the seat and then over a bar or something so you can lift the rear up a little). Even better is if you can turn the pedals and operate the shifters (if it has them). Watch how the chain moves, also use the rear brake. Then you will have a better idea of how it should be if you encounter problems again. Youtube can also help (plenty of videos on adjusting the chain and shifting) but I think it also helps to see it on your specific bike.

scott s.
.
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