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20 in girls bike by next

My daughters chain came off and the back cog or thing that holds the chain on is bent and broke the spike part isn't attached to the metal parts anymore. How do I fix this and where do I get the parts

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  • rengelter Apr 29, 2014

    Hi laura eaton, I want to help you with your problem, but I need more information from you. Can you please add details and or pics in the comment box?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Coachphil
  • 347 Answers

SOURCE: Chain Broke on a Huffy

if the bike has gears it does not have a master link, that is for single speed bikes only.

You will need an 8spd chain for your bike (1/2" x 3/32), these will fit any 6,7 or 8 spd bike. This requires a special tool to install ($8-$25), I would recommend taking into a bike shop and have them do it if you have no experience with this type of chain.

Side note: if you do own the tool, you can repair a broken chain for a temporary fix in the future, so may be worth buying. Check around, many bike shops offer basic repair classes and cover this.

Posted on Nov 18, 2010

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dunnbiker
  • 8546 Answers

SOURCE: Have roadmaster mens bike 26in.

No guts need be pulled out. You just have to remove the gears to get at the hub flanges straight-on.

You know, a complete wheel replacement might set you back less than the parts and tools you would need to do it correctly.

http://www.parktool.com/blog/repair-help/categories/wheel-and-rim-service

http://www.parktool.com/blog/repair-help/wheel-and-rim-truing

http://www.parktool.com/blog/repair-help/freehub-service


Google "bicycle rim replacement" for the actual procedure.

Like this one that starts out, "The wide availability of inexpensive, well-built replacement wheels has reduced the need for wheelbuilding in retail bike shops."...

http://sheldonbrown.com/wheelbuild.html

Posted on Apr 13, 2011

  • 83 Answers

SOURCE: chain fell off. When I rethread it onto both

Put the chain on the gears, loosen the back wheel at the axle and pull it back - that's how you take up the slack.

Posted on May 05, 2011

Testimonial: "The wheel wasn't loose or anything, but this definitely solved the problem. My child learned to ride her bike w/o training wheels after this :0)"

sisadsl
  • 1508 Answers

SOURCE: So my Dynacraft Next turbo

the little balls are the bearings, ie: ball bearings, so they are the size, take them to a bike shop and get a replacement kit.
Your crank is probably not bent , it takes a big crash or something to bend one. there is an adusjment nut and lock nut to set them back up. could be LH thread on the left hand side

Posted on Jun 03, 2011

dunnbiker
  • 8546 Answers

SOURCE: My son's Mongoose XR75 Mountain bike's gear box is

Derailleur. Everything on a bike that bolts on can be replaced. Take it to a bicycle shop for assessment. Special tools are involved.

Posted on Jul 09, 2011

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1 Answer

I have a 20" inch girls kent trouble bike. How do I take the rear wheel off?


remove the coaster brake lever bolt. This is small bolt that holds the coaster brake lever to the left side chain stay. There will probably be a strap wrapped around the chain stay with bolt going through the strap and the lever. This usually requires a 10mm wrench (sometimes it is 8mm) for the nut and a Phillips or flat head screw driver (some times it's another 10mm bolt head).
The axle nuts are usually 15mm nuts. Loosen these (they usually don't need to be removed all the way) and push the wheel forward to put some slack in the chain. Lift the chain off the rear cog and you will be able to pull the wheel out of the drop outs.
To install, slide the wheel into the dropouts, put the chain back on the cog, pull back on the wheel and tighten the nuts finger tight. Reinstall the bolt through the coaster brake lever and then tighten the axle nuts, pull back on the wheel while tightening the nuts so the chain is tight. Then tighten up the coaster brake lever bolt. (if you tighten the axle nuts first, you won't be able to move the coaster brake lever into place to get the bolt in)

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I cannot get my chain to stop coming off. How do I keep the chain from slipping off?


Loosen the nut that holds the back wheel and pull it back until the chain is tight and then retighten the nut. If when the chain is tight, the wheel is not on the rear frame, you need to take a link out of the chain.

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the gear that needs to be replaced requires a special tool. You can get one online whereever you buy the gear you should also be able to purchase a splined socket to assist in getting the old one off of the hub. Might I suggest ebay.com?

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I have a 15 sp ultraterraine murry bike, and the chain came off, could you give me any advice on how to put it back, I have tried and tried, and soon as I turn the peddles, the thing pops off again, Thank...


If the chain broke and thus fell off the bike compleatly, take it to the bike shop for a SRAM master link to be installed. Should be about 5 bucks. If it is still intact but isn't on the gears, just shift to a gear farthest away from where the chain came off.

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Girls skeleanimal bike brake is stuck so back wheel won't move


It's a Huffy. 'Nuff said.

Manuals here - http://www.huffy.com/Support/OwnersManuals.aspx

If the cable isn't passing freely inside the cable housing it won't relax brake pressure when the lever is released.

http://www.parktool.com/blog/repair-help/linear-pull-brake-service-v-brake-type

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Cannot get rear derailer to work properly 24 inch girls evolution


Don't start messing with the derailleur yet! Make sure your shifting trouble isn't due to something else, such as a warped, dirty, or stretched chain, gummed-up pulleys, crud in the cable housing, trapped cable, or a bent derailleur hanger
Clean the chain and the rear derailleur pulleys. Pull the chain away from each pulley, and turn the pulley to make sure it can move freely. A pulley that offers resistance to turning must be replaced.
Now check the cable to be sure it slides freely. Mud and grit within the cable housing, or on a cable-guide, can keep the derailleur from moving a "full gear" during downshifts. If the cable doesn't slide freely in the housing, you may be able to clean or lube it to restore smooth shifting.
Let the high-gear limit screw. In your highest gear on the shifter, and with the chain on the smallest cog, position the derailleur so the upper pulley exactly matches the teeth of the small cog. Run the chain a bit with the front derailleur in the large ring, adjusting the limit screw until the pulley and the cog seem to match perfectly.

Setting the high-gear (small cog) limiting screw.



Once you're sure the derailleur matches the cog, move it just a whisker (1/8 to 1/4 turn) towards the other cogs. (You may need to readjust a bit if you get chain-skip.)

Closeup of setting the limiting screw.



Now adjust the low-gear limit screw. Shift into the lowest gear (largest cog). If it won't go, loosen the limit screw. With the chain on the largest cog (and the front derailleur in the small chainring), adjust the derailleur so the upper pulley exactly matches the teeth of the large cog.Once it's perfect, turn the limit screw so it moves the derailleur a tiny amount towards the other cogs (1/8 to 1/4 turn usually works).

Setting the low-gear (largest cog) limiting screw.



Now shift to the highest gear (smallest cog). Push the shift lever to downshift one gear (go from the smallest cog to the next-smallest). If it doesn't shift, tighten the cable with the barrel adjuster, 1/2 turn counter-clockwise. Backshift and try again. Continue tightening until it shifts. If it overshifts, going from the smallest cog to the third-smallest, loosen the cable by turning 1/2 turn clockwise. Backshift and repeat until it shifts exactly from the small to the next-smallest cog.

Fine adjustment of tension in the derailleur cable.





Now go to the second-smallest ring. Tighten or loosen the cable slightly, until the outer side plates of the chain are just clearing the third-smallest cog. Shift up and down, fine-tuning until you're satisfied.

Checking the position of the chain on the cogs.





Mar 04, 2011 | Pacific International Pacific Evolution 24...

1 Answer

My bicycles chain fell down,and I cant put in on again, Do you know some repairer who can repair it,around the Leytonstone or maybe near it? Many Thanks.


There's a trick to putting a chain back on a bike. First fit it onto the back wheel. Then hold it on the top of the front cog wheel (at the pedals) Get someone to lift the back of the bike so the wheel is off the ground. While the wheel is off the ground and you're holding the chain on the top of the front cog wheel turn the pedals forward, with your other hand, as when you're cycling and as it turns the chain will go on.

If you don't have someone to hold the back wheel up off the ground you could hold the chain on the bottom of the front cog wheel and turn the pedal backwards. The chain will still go on.

Nov 13, 2010 | Cycling

1 Answer

Problem with chain and gears


Wash, degrease and scrub the chain and derailleurs with a good degreaser (like Simple Green). Dry the chain and relubricate it with an appropriate bike chain lubricant (not oil or WD-40). Shift the derailleurs to the smallest chain ring and cog on the cassette (low front gear, high rear gear) and then loosen the cable at the derailleurs, pull the cables taut and reattach them. If the derailleurs still need adjustment, here is a procedure for it:
Flip the bike over (so you can pedal the bike manually while you shift) and shift the front to the middle chain ring. Shift the rear to the highest gear (small cog). Release the cable from the pinch bolt on the derailleur. Adjust the screw marked "H" on the derailleur until the jockey wheel on the derailleur is aligned perfectly over the small cassette cog. Set the cable adjuster on the derailleur to the middle of its range (find this by screwing it all the way in and then count how many revolutions it makes until it screws out completely. Screw it back in one half of the total revolutions). Reattach the cable and shift to the lowest gear (the biggest cog). Over-shift and hold on the shifter, then adjust the "L" screw on the derailleur until the jockey wheel sits just past the last cog. You have to hold the shifter to do this. Now shift into the middle gear (or one of the two middle gears if the bike has an even number of gears) and adjust the derailleur using the barrel adjuster you previously set to the middle of its range. Adjust it so that the derailleur is sitting perfectly over the appropriate gear. Shift up and down the cassette while pedaling and in every gear, reverse pedal (freewheel) to make sure the chain does not hop. Adjust as necessary until all gears are smooth.
Now the front:
Set the rear derailleur to the lowest gear (big cog) and the front to the lowest gear (small chain ring). Disconnect the derailleur cable. Screw in the adjuster for the cable tension all the way (this adjuster is on the shifter of a mountain bike or the down tube of a road bike). Pedal to make sure the chain is not rubbing on the derailleur cage. If it is, adjust the "L" setting on the derailleur until the chain moves by without touching the cage. Now pull taut and reattch the cable and shift the front to the big ring while pedaling. If it does not shift up well or completely, hold the shifter past its normal shift and adjust the "H" screw so that the derailleur allows the shift. Shift into the highest cassette gear and keep pedaling. The chain should not be touching the front derailleur's cage when you pedal. Adjust with the barrel adjuster until the chain moves freely without touching the derailleur cage.
That should be it, unless there is another mechanical problem causing the missed shifts, like a bent derailleur hanger or damaged teeth on the cassette cogs or a bad derailleur. If it is still problematic, come back for further information.

i hope this helps
-matthew

Oct 26, 2009 | Cycling

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