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Exercise Bike lost resistence

I have a ProForm G35 exercise bike. It comes with four pre-programed exercise routines on the console. The console is still operating and exhibits an increase in the resistance on the programs, but the pedals go around as if the chain was off a road bike. Just spins. How do I regain the resistance?

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  • zexp Dec 21, 2008

    I have a proform gt-30 with the opposite problem - tension stays too tight. Knob turns and appears to tighten and loosen, but tension stays the same.

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3 Suggested Answers

  • 108 Answers

SOURCE: No resistance when I pedal the stationary exercise bike

Hi,

I looked into this thinking is must be a simple belt, or tention wheel, but these devices are much more complex than the average exercise machine. See the Recumbent selection here.

It appears that the tentioning device is a magnetic brake.
This would require that it be plugged into a power source and programmed to provide a desired tention.
I've never used one of these so I can't say what kind of programming options there are or where they are found.

Hope this helps.
Richard.

Posted on Dec 07, 2009

  • 1 Answer

SOURCE: the resistance belt on my Schwinn 205p recumbent

http://www.fitnessrepairparts.com/equipment/SelectEquipment/100 lists all the parts for this model

Posted on Jan 03, 2010

JayduttDave
  • 99 Answers

SOURCE: magnetic resistance not working on proform gl105

Just oil the area of magnetic resistance and if the problem continues then contact nearer repairer.

Posted on May 15, 2010

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The GR80 uses for type D batteries. The battery compartment is on the bottom of the console, look for the D-shaped battery door, press the tab located towards the front side of the console and open the door. Careful, the batteries may fall down if you open the door - type Ds are heavy enough to be felt when they fall on your feet.

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Magnetic resistance not working on proform gl105 exercise bike. belt is intact


Just oil the area of magnetic resistance and if the problem continues then contact nearer repairer.

May 15, 2010 | Bicycles

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No resistance when I pedal the stationary exercise bike


Hi,

I looked into this thinking is must be a simple belt, or tention wheel, but these devices are much more complex than the average exercise machine. See the Recumbent selection here.

It appears that the tentioning device is a magnetic brake.
This would require that it be plugged into a power source and programmed to provide a desired tention.
I've never used one of these so I can't say what kind of programming options there are or where they are found.

Hope this helps.
Richard.

Dec 07, 2009 | Bicycles

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Workout difficulty adjusting knob is broken


Remove the cover under it is a rubber wheel and spring and that has worn or the spring has lost the tention replace as needed.

Jul 14, 2009 | Bicycles

1 Answer

The tension on the recumbent exercise bike does not get hard


If your bike has magnetic resistance and you changed the batteries this should make your tension work properly. Since it did not I believe that there are magnets somewhere on your bike that are wearing out. Or it could be a computer part. Your manual should tell what part you need to order and replace. I hope this information has been helpful.

Also make sure the batteries that you put in your bike are really new ones. Sometimes you can purchase new batteries at a store and they are actually a little weak. I had this problem with an elyptical trainer and I went and got other batteries and this fixed the problem.

Mar 14, 2009 | Bicycles

1 Answer

The tension adjustment does not get difficult enough


If you are refering to a regular bicycle this means the derailer is not making the chain jump from gear to gear. You probably need a new shifter cable or the shifter cable came unhooked from the derailer. I would take your bike to a bike shop to have this reconnected and then they will adjust it for you.

If you are refering to an exercise bike then here may be your solution. From what I have seen on exercise bikes there are three different kind of bikes. I am refering to how there resistance works.

First type has a strap that wraps around the wheel. There is a some kind of a nut and a bolt that holds that strap around the wheel. You simply need to tighten that nut. The strap will stretch over time and that is why you do not have the same resisteace you had when the bike was new. Afer you tighten this you will find that regular tensioner works better.

The Second type of exercise bike has what appears to be brake pads contacting the wheel. Basically your peddaling the bike with the brakes on. Pretty simple concept. Again there should be some sort of adjustment around this pad that is touching the wheel. Probably a screw or a bolt. Some even have adjusters that you can turn with your fingers.

The new and improved exercise bikes have what is called magnetic resistance. This is where your resitance is created by a magnet and some sort of power source such as batteries or your bike being plugged into a wall outlet. If you are using batteries replace them. I found that with my elyptical exerciser new batteries made a world of difference in the resistance settings. If changing the batteries doesn't help then there may be another problem. This could be the computer. Just check your user manual and I am sure you can get it replaced.

Mar 14, 2009 | Bicycles

1 Answer

Need a manual for Proform Carb Counter Stationary Bicycle


The exercise bike sounds like the Proform XP70. It has a carb counter feature. Here is the link to the PDF of the manual.

http://www.managemyhome.com/mmh/lis_pdf/OWNM/L0502412.pdf

Good luck,
Techjoel

Jan 24, 2009 | Bicycles

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