Question about Roadmaster Granite Peak 24" Girls Mountain Bike

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Rear derailler will not click and hold shifted gear

Shifter control will not hold selected gear, when hand is removed from shifter after gear is selected derailleur does not hold and goes back to resting position. Also noticed there is no click from shifter any more.

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Sounds like the internal spring that indexes the shifter is either broken or missing. I believe these bikes came with twist shifters. Those springs are hard to find nowadays and it's just as inexpensive to replace. Your local bicycle shop should be able to find a suitable replacement shifter for your bicycle.

Posted on Apr 04, 2014

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Posted on Jan 02, 2017

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Is there a way to safely dismantle the rear gear shifter?


Remove the rear wheel and see if the shifter (derailer) is able to move all the way up to first gear. If it is then you have a stretched cable. If not then a bent derailer. Most likely a stretched cable.

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Either gear cable is too tight or shifter is worn. Has cable been recently adjusted? if so, it needs to be readjusted. More likely, the shifter is worn so that the cogs aren't grabbing the tooth for high gear. It may just need to be cleaned or replaced. A good how-to website is "sheltonbrown.com". Your local bike shop can also assist

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My shimano ultegra left shifter is super stiff/hard to push in; what is going on?


Try flushing out the shifter(s) with WD-40, use plenty. The next step will be replacing the shift cables and cable housings.
  • Take the bicycle in an area free of cars and obstacles, such as an open parking lot. Concentration is required when learning to use Ultegra shifters or any other type of bicycle shifter.
  • 2 Mount the bicycle and rest both hands on the proper Ultegra hand control. The left-hand control operates the front derailleur. The right-hand control operates the rear derailleur.
  • 3 Start pedaling, smoothly and evenly. While pedaling is crucial to propelling the bicycle forward, it is also necessary when shifting the derailleur. Pedaling forces the chain to rotate. The chain must rotate before it can transfer to another gear.
  • 4 Push the outside right Shimano Ultegra lever in toward the bicycle. The rear derailleur will shift the chain to a smaller rear gear.
  • 5 Push the inside right Shimano Ultegra lever in toward the bicycle. The rear derailleur will shift the chain to a larger rear gear.
Rear Ultegra Derailleur Control
  • 1 Push the outside left Shimano Ultegra lever in toward the bicycle. The front derailleur will shift the chain to larger front gear.
  • 2 Push the inside left Shimano Ultegra lever in toward the bicycle. The front derailleur will shift the chain to a smaller front gear.
  • 3 Use the front and rear Ultregra hand controls interchangeably. For small changes in gearing, using the rear control. For larger changes, choose the front control. A smaller gear causes the bicycle to travel a shorter distance per pedal stroke but also requires less energy to use. A larger gear requires greater effort but in turn causes the bicycle to travel farther per pedal stroke.

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I have a Huffy Verona 18 speed with the Soleus shifter first the cable wasn't working so I put wd-40 down the cable that has freed it up but I'm having problems getting the rear railer to change...


Hi,
When I have had that trouble with my own bike, I have taken the cable off and replaced the vinyl housing. If that isn't an option, get the cable as free as you can, then lubricate the rear derailer, and with a cloth, so as not to soil your hands, grab hold of the derailer and work it back and forth to free it up. Riding the bike causes all the road grime to accumulate on the derailer making it stick.
Hope this is of some help
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Aug 30, 2011 | Cycling

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I'm looking for the document to service, or at


did u try either tightening the cable or turning the screw on the gear shifting knob? that usually solves the problem with shifters.

Aug 15, 2011 | Cycling

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I have replaced the cable on the 7speed Shimano SIS derailler and Ithink I ran the cacle through the shifter wrong. I can only get three gears to shift. This is a combo brake and shifter handlebar mount.


Hi,

All shimano derailleurs have two small screws located on the mechanism itself that allow you to adjust the position of the derailleur relative to the gears. The top one adhusts how far towards the wheel the chain can go and the bottom of the two adjusts how far towards the stop it goes.

Put the bike on a stand or just prop it up so the rear wheel can spin freely when you turn the pedals by hand

Put the shifter in the highest gear and turn the pedals, the adjust the top screw until it enters the top gear, you may need to adjust the cable tension also to do this.

Once you have it going easily into and out of the top gear adjust the bottom screw so that it easily goes into the bottom gear.

You should be done! Don't forget that for the first few rides the cable will stretch out a little so you may need to tinker with those screws a couple more times.

Hope this helps:)

This website might help you also http://sheldonbrown.com/derailer-adjustment.html

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I need to change my back gear cable


Shift your rear derail down to the smallest cog on the cassette. Loosen the nut that holds the cable onto the derail. If you are reusing the outer cables back the inner cable out to the shifter. If your replacing the outers also, note where they are installed. There should be an allen screw on the bottom of the shifter that will free up the shifter and expose the knob on the end of the cable. Pull out the old cable and install new in reverse. Insert the cable into the clamp on the derail. Pull the cable taught with pliers while tightening nut on clamp. Run through the gears while on middle ring on front. Turn barrel adjuster on derail in and out to dial in shifting. That should do it. Good luck and let me know if you have any problems.

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Hufyy 26" Tundra 18 speed bike....GEars are clicking


Sounds like the rear derailer needs adjustment. Are you handy with tools? There should be a micro adjuster on the cable for the rear derailer. It might be located at the shifter on the handle bars, or at the rear derailur. Follow the cable from shifter to derailer, Look for an adjusting nut, when you find it, turn it counter clockwise to remove slack from the line. Go one turn at a time, ride it and shift through the gears. Repeat until the noise stops or you run out of adjustment. If that doesn't fix it, you need to srew the adjuster all the way back in, shift it to the highest gear, loosen the bolt the holds the cable on the derailer and pull the cable tight and tighten the bolt back down. If you are unsure about doing this, go to your local bike shop and have them fix it AND show you how to do it.

Aug 12, 2010 | Cycling

1 Answer

My shimno sora front derailler shifts perfectly to the small and large chain set cogs, but on the middle, the chain rubs along the cage.


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.

i hope this helps
-matthew

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1 Answer

Broken shimano 105 flight deck shifter


You may have broken your derailleur cable. Your cable securing bolt on your front derailleur might have worked loose just enough for the cable to get some slack in it so that your derailleur isn't moving. Try completely loosening the cable bolt at your front derailleur. Pull on the cable and click the control to downshift to the inside crank gear . That should remove all the slack from the cable. Worse case scenario is when you pull on the cable it will completely pull out and it has broken at the shifter. You will have to replace it with a new one. If it isn't broken and you can still shift with the cable make sure your limit screw is properly adjusted for the inside crank ring and then pull all the slack out of the cable with the shifter shifted to that gear. Tighten the bolt that holds the cable in place and try the shifter again. It should now shift normally. If it doesn't you will have to take the bike in to have the shifter repaired. These shifters are not easy to repair unless you have the tools, parts and experience. Hope this helps.

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