Question about Mountain Bike Bicycle Derailleur Hanger Adjustment Tool

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Rear mountain bike derailluer stops working,then suddenly starts

Sometimes when I jiggle it,it then starts working again.I was wondering whats wrong with it and how I can fix it so it continuasly works instead of intemitently. The bike is 8 months old.

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Depending on how much you use the bike. you may have to replace or re-aline the gear cable that runs through the bike.

Posted on Aug 07, 2009


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I have a Peugeot bike vintage 1985. I want to replace the rear derailluer with a new style. What model shimano rear derailleur should I buy and do I also have to buy shimano shifters

If you have friction shifting you can replace with any derailleur that will handle the freewheel/cassette range. If you have indexed shifting it depends on what is on the rear now.

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I am using a new shimano 6603 SL braze on derailluer with a fairly new, but in good shape shimano 6603-G crankset, but an older 6510 triple shifter, all with a 9 speed chain. Shifting onto the middle and...

It is hard to tell via the Internet. I suggest that you take it to a bike shop. They will get it shifting smooth, and, if not tell you what is wrong.

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My rear tire won't inflate. My Columbia Trailhead Sport was bought for me as a gift about 5 years ago, and I rode it for about a year, then moved and kept it in the basement. I brought it back out to...

Nothing is wrong, it's just a different kind of valve called a presta valve instead of the more common schrader valve. Just stop by the bike shop and ask them to pump it up for you or if you want, to adapt the rim to fit a schrader valve. If you do that have them put in the new inner tube.

Jul 14, 2011 | Columbia Sportswear Columbia Trailhead...

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Rear derailluer bolt missing how and where do i reattach it?

Depends on which bolt is missing and what derailleur your referencing.

If you no longer have the bolt then I would suggest taking the bike or derailleur into a bike shop and have them provide the proper bolt to complete your derailleur. They can also advise for your specific derailleur how to reattach. Not all derailleurs work the same.

Apr 07, 2011 | Cycling

1 Answer

The shifter will not move into the # 3 range on the front derailluer, problem is in the shift lever

Check the limit screws. It is likely that the limit screw is adjusted to keep the movement limited to the first two chainrings. If that is not the problem, alignment or damage may be the source.

Jan 07, 2011 | Mountain Shimano Alivio Front Bike...

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I am trying to fix a Huffy Blackwater bicycle (15 speed). The rear derailleur is missing. Can I use a 6 speed derailleur from a Next bike? Can I disable the indexing of the Huffy (Falcon) shifter? Thanks

You can use the 6 speed rear derailleur with no problems. The 5-spd shifter does not need to be disabled, as it will work just fine.

The shifter controls the rear derailleur, telling it how far to move. The rear derailluer just follows what is dictated, so there is no real difference mechanically between the 5spd and 6spd derailleurs, only in the shifter.

If you wanted to make the bike 6spd, you would have to change the shifter and gears along with the derailleur.

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1 Answer

I just bought my bike at wal-mart and I didnt get a manual. Iam having a hard time changing gears

I'm assuming you bought a mountain type thing with 12 -18 gears on it, It is easy enough to shift it, as long as it is it working right, They should have set the stops on both shifters front and rear for you. They might be a little off, but when in low gear rear, your chain should not go over the limit and fall into the spokes. Like wise in high gear, should not fall off the cluster in high. The front is the same, the chain should stop at the sprockets smoothly, and not crunch into gear. My bike shifts like a car, 1,2,3,etc. Your front sprockets, unless you are mountain climbing, leave it on the big sprocket, about 46 teeth, and get used to running that high gear up front, now the rear sprocket, you start off in low, biggest one, and move your shifter while you are peddling, 2nd, then 3rd, and when you come to a light or have to stop, downshift to low again in the rear and you'll be ready to take right off. There are a lot of people out there who don't know how to shift these things and they leave them in one gear and pedal air. Hope this helps.

Apr 20, 2010 | Cycling

1 Answer

My son just bought a 26" Huffy Jolt mountain bike. The rear sprockets spin freely when the pedals are cranked either forward or backward - - that is, there is no coupling to the rear wheel. What can I...

The plastic is to stop the chain from touching the spokes, it cannot cause this problem, either the chain is not on a sprocket correctly or the rear cluster(sprockets) is not working.
Some spray lube may help, but if it is new, take it back to the shop.

Apr 18, 2010 | Huffy Mens Mountain Bike - Crimson Red

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