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I have a cartridge system headset on a carrera i brought from halfords,though i tighten with an allen key it makes the handlebars stiff to turn and still the handlebars dont stay in line with the forks?

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6ya6ya
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Posted on Jan 02, 2017

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goalie39
  • 469 Answers

SOURCE: how do i heighten the handlebars on a carrera mountain bike?

Loosen the bolt on the top of the handlebar stem few turns, then tap it with a hammer, this should knock loose the plug and the bars should move,

Posted on Apr 15, 2009

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voodoomox
  • 1689 Answers

SOURCE: Can't tighten the handlebar stem.

hi lynduck,

are you using a threadless steam or a threaded one?

like this one in the picture.

http://www.sheldonbrown.com/images/headset-threadless.jpg

if so, spacers should be on the right spot and the pinch botls should be tights. top cap should not be moveable and this will make sure your front end turns lightly. apply light axle grease to make it smooth.

regards,

voodoo

Posted on Apr 19, 2009

  • 2 Answers

SOURCE: Handlebars loose

Construct shims from aluminum (soda / cola) cans with scissors. Be careful not to cut yourself, sheared aluminum is very sharp. After you have cut a wide strip of aluminum, wrap it around the handlebar and put it between the handlebar and the clamps. This will increase the diameter of the handlebar and allow your clips to exert more pressure on the handlebars making them tighter. Try not to leave any aluminum exposed after fixing it; it's sharp.

Posted on Jun 16, 2009

Coachphil
  • 347 Answers

SOURCE: What size allen wrench do

It is generally either a 5mm or 6mm depending on which bolts you are looking at. Sometimes they are SAE instead of metric but that is rare.

Posted on Dec 27, 2010

dunnbiker
  • 8546 Answers

SOURCE: what size allen wrench to

Everything is metric if that helps. 5mm??

Posted on May 28, 2011

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1 Answer

Raising handlebars


There is a single central connection to the handlebars This is called the "gooseneck". (Ther handlebars slide through the goosenect and then the gooseneck is tightened to hold the handlebars. The connector to tighten is in the front (so you do not get "injured" if you have a collison). Loosten the connector (it may be allen, or perhaps hex nut.). Raise or adjust the handlebars, then tighten. Make sure it is really tight (do not strip the threads). The handlebar has serrations to lock on to the gooseneck so the handlebar - gooseneck bolt will have to be loosened quite a bit to allow the serrations to "jump" to the next serration.

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The stem is loose when im riding but i tightend the L key on the top tight as possible n neck still loost any idea?


There are typically two allen bolts that mount on the side of the handlebar stem. Those should be tightened. The top one should only be tightened to remove up and down play in the headset. If you tighten the top one too tight, steering will feel clunky. Only tighten the top one tight enough to remove the up/down play. Use the side bolts to keep the handlebars from turning relative to the wheel.

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How to raise and lower the pedestals


If you are referring to the adjustable height feet under the machine I would suggest what is called a Headset Spanner for bicycles. The space under the washing machine at its lowest height is very limited, only a few millimetres. The Headset spanner is very thin and can access the adjusting nuts at this height. These spanners are about eight pounds from Halfords and usually have four different nut sizes on each spanner, two at each end. If you can borrow a head spanner so much the better. These spanners are used to tighten the large nuts that hold the handlebars (headset) to the frame of the bike.

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1 Answer

HANDLEBAR ADJUSTMENT


Depends on what style of handle bars you have or what you want to do. Do you want to change the handle bars? Change height?Change the angle or stem?

You need to know what kind of headset you have on your bike. Either you have a "Threadless" or a "Threaded" headset. A "Threadless" headset has a star nut wedged in the fork tube and a hex bolt that goes through a plug on the top of your stem down into the star nut to compress everything together. You can easily change stem angle, length and height with a new stem which is realitivly inexpensive. If you have a "Threaded" headset the riser tube and stem are all one piece and it has a split/bolt at the bottom of the riser bar. As you tighten the split/bolt it tries to seperate wedging itself in your fok tube making everything tight. Not as easy to change but just as inexpensive.

Either way or whatever you are doing to your bike you will need a good set of allen keys. Almost every bolt on a bike now is hex head so a set of allen keys is a must.

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2 Answers

The front tire and the handle bar are not turning together. When I turn left or right the handlebar is all that moves. The front tire is just kind of "there". How do i get the two connected so...


Depending on how old your bike is there is an allen head or a nut at the top of your handlebar that when adjusted properly tightens the stem of the handle bar. You just have to tighten it down. Most use metric allen wrenches or sockets.

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1 Answer

I can't get the handlebars to lock in to the forks, any ideas?


You haven't given me much to go on, but a common problem is to mis-identify where to tighten. There is a large nut (about 1-1/4 inch) that is the locking nut for the headset (which is where the bearings are that allow the fork to turn and steer the bike). This large nut does not tighten the handlebars. Rather, there is a long bolt that travels straight down through the handlebar stem. The handlebar stem is the bar that clamps to the middle of the handlebars and extends vertically down into the headset. At the bottom of the bolt (where you cannot see it) there is a wedge shaped nut. When you tighten this bolt the wedge nut jams itself inside the tube which is the top of the forks inside the headset, thereby locking the handlebar stem to the the forks. The head of the bolt you need to tighten can have a variety of shapes - could be an ordinary hex head, or it may require an Allen wrench (hex key). There are lots of different styles, but if you Google images of "handlebar stem" you will get the idea. good luck. Al K

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1 Answer

I need help putting together the front forks/handlebar assembly


Hi in the headset there is a ballbearing set for the top and bottom. Insert fork through position. From the top you can slide the handlebar over the extension. Make sure that you align correctly. Then fasten with the allen key.

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1 Answer

Iw ould like to raise the handle bars on my wifes bike-how do I adjust


Most likely you have a threaded headset on your wifes bikes. Many times you will have to replace some of the cables and housing because they will be too short once the handlesbars are raised.

If you have a treadless headset than raising your handlebars is very simple. First check to see what type of headset you have. A threadless system with have a allen head on the very top of the stem and one or two more allen head bolts on the side of the stem. The threaded system will usually have only one bolt on the very top of the stem. It is sometimes covered by some type of cap. Also on threaded headsets, there will be a large nut under the stem, which is what most people mistakenly loosen to adjust the stem. Do not touch this nut, it will adjust the headset. Same goes for the allen head on the treadless headset, it will also adjust the headset so don't touch it.
So if you have a threaded stem, simply loosen the allen head or nut on the top of the stem and raise the stem up. Make sure you do not go above the max line and that you are still able to turn the handlebars freely.

Hope this helps!

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1 Answer

Can I raise the handlebars on my Marin hybrid bike and how do I do it?


Most likely you have a threadless headset on your Marin which means you can not raise the handlebars without replacing the stem or handlebars themselves. In addition, many times you will also have to replace some of the cables and housing because they will be too short once the handlesbars are raised.

If you do not have a treadless headset than raising your handlebars is very simple. First check to see what type of headset you have. A threadless system with have a allen head on the very top of the stem and one or two more allen head bolts on the side of the stem. The threaded system will usually have only one bolt on the very top of the stem. It is sometimes covered by some type of cap. Also on threaded headsets, there will be a large nut under the stem, which is what most people mistakenly loosen to adjust the stem. Do not touch this nut, it will adjust the headset. Same goes for the allen head on the treadless headset, it will also adjust the headset so don't touch it.
So if you have a threaded stem, simply loosen the allen head or nut on the top of the stem and raise the stem up. Make sure you do not go above the max line and that you are still able to turn the handlebars freely.

Hope this helps. If you need any more help you can connect me at elijah@starbikesfl.com. Thank you

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2 Answers

Handlebars loose


Construct shims from aluminum (soda / cola) cans with scissors. Be careful not to cut yourself, sheared aluminum is very sharp. After you have cut a wide strip of aluminum, wrap it around the handlebar and put it between the handlebar and the clamps. This will increase the diameter of the handlebar and allow your clips to exert more pressure on the handlebars making them tighter. Try not to leave any aluminum exposed after fixing it; it's sharp.

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