Sports and FitnessEquipment

Pedals on a bicycle are scrolled: reasons and ways of their elimination

If pedals on a bicycle are scrolled, it can happen for a number of reasons. Most often, this leads to improper care for a two-wheeled vehicle. The trouble can be caused by a prolonged failure of maintenance of the basic functional systems of the bike. To the deplorable consequences often leads to the wear and tear of certain details. Let's find out how to eliminate the problem of idle cycling of pedals on a bicycle, what factors contribute to such a breakdown.

Pedals on the bicycle: the reason

This trouble can occur for the following reasons:

  • On the bicycle the chain is stretched out;
  • The front sprockets worn out;
  • The elements of the back cassette have become unusable.

There is also a combination of the above-mentioned failures.

Assessment of the overall condition of the bicycle

If the pedals on the bicycle are scrolled, before moving on to dismantling its components and thinking about repair, it is worth to assess the overall condition of the bike. First of all, it is necessary to check how well the rear and front switches are set up, which is responsible for changing the speeds. A malfunction in the settings will be indicated by an uncharacteristic annoying crackle during driving, as well as a fairly regular hit of the chain between the asterisks as the pedals rotate.

Sometimes the problem affects the bikes, which do not have a gearshift system. In cases where pedals on a bicycle like this are scrolled, the first thing to pay attention to is the condition of the circuit. Perhaps to eliminate the trouble it will only require its thorough cleaning and lubrication.

Damage to the sprocket cranks

If there is a situation when the pedals on the mountain bike are scrolled, the first thing to consider is the star. You can see the defects here with the naked eye.

As for the reasons for damaging the cranks of the asterisks, this is most often caused by excessive pedal pressure during the ride. The "jaggies" on them can naturally result from friction. The end of the life of the asterisks will necessarily cause problems with the scrolling of the pedals.

In some cases, the trouble can be eliminated by flushing the asterisks from accumulations of old oil, debris and adhered mud. To remove these impurities, it is sufficient to thoroughly wipe the parts with a piece of material moistened with kerosene.

If the problem is serious and there are not enough teeth on the sprockets, you need to dismantle the functional node, disassemble it and, if possible, change the damaged elements to integers. Naturally, the most reasonable solution in this situation is the installation of a new set of stars. However, this option requires significant monetary costs.

Problems with the circuit

If the pedals on the bike are scrolled, there may be a problem with the chain. In most cases, to eliminate the trouble, just rinse the links with soapy water, and then carefully lubricate with a special substance based on silicone. A characteristic sign that it is time to make such actions is the appearance of an annoying squeak during the movement. To indicate the need for maintenance of the chain can also be the need for applying considerable effort when rotating the pedals.

Perhaps the problem lies in the excessive stretching of the chain. In this case, it begins to sag unnecessarily, which leads to a weak grip of the asterisks and, as a result, the scrolling of the pedals. How to pull the chain? To do this, you have to shorten it. So, on one of the links there is a special latch, which opens the ring connection of the chain. Withdraw the part, it is enough to remove one or several links, knocking out the bushings with a hammer and metal breakdown. In conclusion, it will be enough to connect the circuit back to the same latch.

If the above actions did not resolve the problem, you will have to replace the circuit with a new one.

Problems with the rear ratchet ratchet

What should I do if the pedals are cycled? If a problem occurs, you should evaluate the state of the rear ratchet. Quite often, in the middle of the mechanism, the old lubricant thickens, after which the bearings begin to stick. It may turn out that there is no oil at all, and the system has become contaminated and corroded. In this case, it is necessary to dismantle the ratchet, clean it thoroughly, and then treat the parts with thick oil.

Bearings

The pedals can be scrolled if the bearings are damaged in the place where the bicycle bushing is located. If the latter are poured, you must immediately replace them. In most cases, just add missing balls here. However, it also happens that the entire bearing assembly, with which the bushing for the bicycle is connected, has to be changed.

Switches of speeds

Pedals can be scrolled on a bicycle if there is an incorrect setting of the shift system. Most often, the special switching foot stops reaching the right stars. Therefore, pulling the flag of the manket is a significant effort, squeezing it to the maximum. That's where the pedals are played.

How to eliminate the trouble? The primary cause here may be the stretching of the cables, the presence of contaminants on the gaskets. The solution is to remove them from the shirts and rinse the connections from the rust with a special WD40. If there is a rupture or critical damage to the parts of the cables, they will have to be replaced with new ones.

Should I lubricate the cables with oil? Specialists do not recommend resorting to such actions. Perhaps, at first, gear changes will be much easier. However, over time, the cables covered with lubricant will adhere to dirt, which significantly hampers their progress.

The ropes in the shirts must be routed so that the angle of their bending remains minimal. This will avoid excessive friction.

After servicing or replacing the cables, it will be necessary to reset the shift switches again. In the end, you will need to ride a bicycle, checking that the pedals do not turn as before.

Finally

Here we have considered the main malfunctions, which can lead to idle scrolling of the pedals on the bike. We hope that the information provided in the article will help you to eliminate the trouble and return your favorite bike to life.

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