How to disassemble the pedal assembly of a stealth bike

Ebikeling Pedal Assist Sensor Installation

How to identify a faulty carriage?

You can determine the malfunction of the carriage in the following ways:

  • If performance has changed.
  • Outwardly.
  • Aurally.
  • Carry out maintenance.

What you need to pay attention to?

  • Squeak when pedaling. This may indicate that the bearings have failed. In this case, you need to carry out a comprehensive repair.
  • Jammed mechanism. If a jam occurs, inspect the carriage. Repair if necessary.
  • Knock in the carriage. Knocking can happen for a variety of reasons. To eliminate knocking, it is necessary to tighten the cones. If this does not help, then it is necessary to adjust the bearings. To do this, you need to use special tools.
  • The axis rotates with difficulty. In this case, it is necessary to carry out the prevention of the node. If this does not help, then you need to adjust the special bearings.

Carriage types

disassemble, pedal, assembly, stealth, bike

Stealth bike carriage is of two types:

Bicycle bottom bracket Stealth. purpose, design

The carriage transfers torque from the pedals to the wheel. This is the main purpose. In addition, it connects the bike frame and cranks.

In the middle segment of the frame there is a so-called glass. This detail is located in the glass. Now let’s consider the construction.

The bearing assembly consists of the following parts:

  • Slots. A slot is a recess in a product. This is where the connecting rods are attached.
  • Axis. The axle is the main element, it is a special moving part. The axis is located inside the carriage body. There are several types of axle: spline standard (Howitzer), ISIS, Octalink from Shimano, square (most popular), wedge (unreliable). The axis is the source of typing.
  • A cup. The bicycle cup is used to secure the device in a special cup. There are several types of mounts. Each type of mount has advantages and disadvantages. The bicycle cup has several standards. This element is screwed into the frame or pressed in a special way.
  • Housing. The body is an important part of the part The housing protects all components from damage. Bearings are attached to the housing.

Removing the carriage

There are several types of connecting rods. Some connecting rods must be unscrewed with a standard wrench. And for the second, you need to use a special puller.

When removing the mechanism, it is necessary to be guided by one rule. the parts begin to be removed from the left-side area.

Consider the algorithm of actions:

  • First, the bike must be turned over to the repair position. The bike must be secured. If necessary, the bike can be turned over on the seat.
  • There is a special plug on the pedals. This plug must be pulled off with a screwdriver.
  • The cavity must be lubricated with some kind of grease. Then unscrew the bolt. To do this, you need to use a special puller.
  • A special puller must be installed in the connecting rod cavity. This must be done carefully so as not to damage the mechanism. After that, you need to screw the part.
  • Now you need to tighten the bolt. For this we use a regular wrench. Then release the axle.
  • The attachment points must be cleaned with a special mixture (WD-40 or kerosene).
  • Now you need to unscrew the washer. To do this, use a standard wrench.
  • A special puller must be inserted into the slotted hole. After that, you need to unscrew the bowl of the mechanism using an adjustable wrench.
  • The puller must now be inserted from the other side. You also need to unscrew the bowl.

Closed

Closed carriages are often referred to as “cartridge”.

A closed system consists of two elements:

These elements are installed in a robust housing. After that, the body is assembled into the bicycle frame. The closed-type system is in great demand, since it has already proven its practicality more than once.

  • Unpretentiousness. All elements are unpretentious. Part can be used in poor conditions.
  • Maintenance free.
  • Protection. The case reliably protects all elements from the external environment.

Open

The open carriage is a special shaft. This shaft rotates due to bearings.

An open system consists of the following elements:

  • cups;
  • bearings;
  • axis.

Consider the disadvantages of an open system:

  • Seizing. If the cups are tightened firmly, jamming may occur.
  • Backlash. If the cups are loose, then backlash may occur.
  • Pollution. An open system can be contaminated. Contamination causes malfunctions.
  • Low reliability of elements.
  • An open system has no protection.

How to repair a Stels bike bottom bracket?

Stels bicycles are very popular in the Russian market. They have gained wide popularity due to their low cost and high quality. In the Stels range of bicycles, you can find models for both experienced and novice riders. Each bike deserves special attention.

A bicycle is made up of hundreds of different parts. One of these parts is the Stealth Bicycle Bottom Bracket. What it is? This is an important knot that no bike can do without. It connects the frame to the system. This ensures the rotation of the cranks with pedals.

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Cleaning

How to clean parts correctly?

  • Mounting points and bearings are coated with special grease.
  • The threaded part of the part is cleaned with gasoline.
  • Damaged parts must be replaced if necessary.

Step-by-step instructions on how to remove a pedal from a bicycle without a puller

After finishing the preparatory work, we proceed to dismantling:

  • First of all, slide the system towards the steering wheel, this position is considered to be working.
  • Gently unscrew the pedals from the crank with an adjustable wrench. Which way to unscrew the pedals on the bike? Right. counterclockwise, left. in the direction.
  • Remove the end cap to expose the locknut. Use a small flat-blade screwdriver to do this.
  • Smoothly unscrew the nut, holding the axle with the second key.
  • Also, a washer remains at the end, which must be removed.
  • At this point, unscrew the cone.
  • It remains to remove the platform from the axle, try to control the position of the bearings in order to exclude their sudden fall.

Difficulties during dismantling arise due to external factors or under heavy loads. There are two options for solving these problems:

  • treat the elements with kerosene or solvent. After soaking in such liquids, dirt that hinders rotation can be easily removed;
  • you can heat the axle and connecting rod, there will be a slight deformation of the metal, and the axle can be easily removed along the thread.

In general, the process of removing the pedals is quite simple, it is much more important to prepare the necessary tools and materials, and also follow the instructions. It is recommended to return the parts to their place first by hand, and only at the end to tighten with special wrenches.

Pedal types

  • regular (platform);
  • contact;
  • combined.

Each of the types of pedals has its own specifics: the first is created for any footwear, the contact type exists for grip with sports shoes and the universal third type, which has a platform on one side and a clutch mechanism on the other. The method of disassembly also depends on the type of part. The mechanism of conventional pedals is simpler and faster to disassemble.

How to remove the pedal from the bike and replace the connecting rod

The pedal is a simple part, but the long life can cause some disassembly problems. Therefore, many experts recommend systematic maintenance of the vehicle, despite the fact that many do not attach importance to this issue.

Let us analyze in what cases it is necessary to remove the pedals:

  • the part is damaged and requires replacement;
  • lubricate the elements;
  • replacement or repair of the connecting rod;
  • you need to understand the features of the system and understand how it works.

Before removing the pedal from the bike, the following tools should be prepared:

Pedal design

All pedals, despite their different features, have a common design:

  • Platform. the surface on which the foot rests, which is fixed on the axis.
  • Metal axis. a pin made of metal. Has a thread and is screwed into the connecting rod.
  • Bearings. provide torque. Serves as a connecting element between the axle and the platform. There are simple bulk and cartridge bearings that differ in weight and quality.
  • Bolts, nuts.

It should be noted that the design of the pedals is not as simple as it seems at first glance. Therefore, before tackling such problems, for example, how to remove the axle of a bicycle pedal, you should carefully study the overall design.

Pedal device

Before removing the pedals, first you need to familiarize yourself with the structure of this unit. These steps must be performed before any such repair operations. The pedal consists of several elements, and each model can have a different design, namely:

  • the axle is a special metal pin that is screwed into the connecting rod. She is the base for the rest of the details;
  • platform. a flat surface in direct contact with the sole and located at the end of the axis;
  • bearings. the elements necessary to connect the previous parts into a single mechanism, it is they that allow the platforms to rotate;
  • accessories. a variety of bolts and nuts that hold all the components of the pedal together. When disassembling, the fasteners are unscrewed with special tools.

Depending on the platform, pedals are divided into two groups: contact pedals, in which it is assumed that there is a special mount for cycling shoes, and standard models.

Removal of simple devices does not require much effort, and contact mechanisms with more complex latches are not easy to dismantle.

Reasons for concern

There are a number of signs that indicate that the pedal needs lubrication:

  • Creak;
  • Difficulty rotating;
  • Full pedal stopper.
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If you find yourself showing signs of a lack of lubrication, do not postpone the procedure. over, the operation does not require special skills and is quite simple.

Since the hub of the pedals of a bicycle is the same on all types, consider the general procedure that applies to all models.

When you may need to remove bike pedals

  • For maintenance. For example, a crunch or creak appeared and you need to clean and lubricate them.
  • When replacing old pedals with new ones, or replacing connecting rods.
  • When packing the bike in a cover or to reduce the space occupied when transporting it.
  • When preparing your bike for long-term winter storage. Again to minimize bike space
  • As an anti-theft agent. The method is very effective. well, where will you go on such a bike. The trick here is that they should be removed easily and simply. The tool for this and a small bag in which the removed pedals will be folded should always be with you in your bike bag. You will not wear them all the time in your hands.

The peculiarity of the pedals is that they have symmetrical threads.

Each of them must have a label: which is left and which is right. Usually these are the English letters L. Left (left) and R –Right (right), respectively, for the left and right pedals.

The left pedal is always made with a left hand thread. This means that it twists counterclockwise and unscrews clockwise.

On the right, there is a regular right-hand thread. Twists clockwise and unscrews counterclockwise.

This is done so that when the pedals are spinning while the bike is moving, they do not unscrew.

It is easier to remember the rule: the pedals are unscrewed against the direction of the bicycle’s movement. twist to the rear wheel, and twist in the direction of travel. twist to the front wheel.

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When you may need to remove bike pedals

  • For maintenance. For example, a crunch or creak appeared and you need to clean and lubricate them.
  • When replacing old pedals with new ones, or replacing connecting rods.
  • When packing the bike in a cover or to reduce the space occupied when transporting it.
  • When preparing your bike for long-term winter storage. Again to minimize bike space
  • As an anti-theft agent. The method is very effective. well, where will you go on such a bike. The trick here is that they should be removed easily and simply. The tool for this and a small bag in which the removed pedals will be folded should always be with you in your bike bag. You will not wear them all the time in your hands.

The peculiarity of the pedals is that they have symmetrical threads.

Each of them must have a label: which is left and which is right. Usually these are the English letters L. Left (left) and R –Right (right), respectively, for the left and right pedals.

The left pedal is always made with a left hand thread. This means that it twists counterclockwise and unscrews clockwise.

On the right, there is a regular right-hand thread. Twists clockwise and unscrews counterclockwise.

This is done so that when the pedals are spinning while the bike is moving, they do not unscrew.

It is easier to remember the rule: the pedals are unscrewed against the direction of the bicycle’s movement. twist to the rear wheel, and twist in the direction of travel. twist to the front wheel.

How to Take Apart and Repair Pedals on a Bicycle (Part 1)

Some features

Since the system is constantly exposed to the environment against a background of severe mechanical stress, torsional problems can arise. In this case, two methods are used:

  • Soaking the bike pedal in kerosene or solvent to remove as much dirt as possible that is blocking rotation.
  • Heating of the connecting rod and axle. Slight deformation helps loosen the threads and remove the axle.

It is also important to carefully tighten the axle during installation so as not to damage the threads, which is a considerable problem in case of subsequent removal.

Design features

How to choose bike pedals, read here.

Despite the different appearance, the internals of the bike pedals are identical. There is an axle inside the plastic or metal case of the part. On the one hand, it is fixed to the connecting rod with a thread, and on the other, it is tightened with a locknut and washer.

To get to the locknut, you must dismantle the plug from the end of the pedal. Also, for smooth rotation, the pedals have two bearings.

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The first bearing is located under the washer, and on the other side of the axis inside the housing there is a second.

The outside of the bike pedals can be fitted with rubber pads or a rim with metal teeth.

This is intended to improve the grip of the cyclist’s foot on the pedal. Platform metal bike pedals often have pins that perform the same function.

There may be reflectors or reflectors on the sides of the parts to help other riders see your bike from afar.

As you can see, although the pedals have differences in external design, they remain almost the same from the inside. Therefore, the order of their parsing and lubrication will not differ.

Removing the pedal and disassembling

It is possible to remove the necessary part from the bicycle for replacement or repair, if you know how to do it correctly. The left and right pedals are removed in different ways.

Left clockwise, right counterclockwise. This was conceived for a reason, but so that they do not unscrew from the connecting rods during operation. To remove the bike pedals, you need an adjustable wrench, either a 15 mm open-end wrench, or a special one made for such purposes. The clearance between this part and the connecting rod is 12 mm. It is important to find a handy tool that fits into this gap. Socket wrenches are also useful.

Having disconnected the pedals from the connecting rod, proceed to step-by-step disassembly:

  • At the end of the pedal, remove the plug. It is required to pry it off with any thin and sharp object.
  • Use a socket wrench to remove the attached locknut as well as the washer.
  • Unscrew bearing cone carefully. During the procedure, watch the balls, they can fall out and get lost. At this stage, it is not recommended to turn the pedal over (there are still balls inside).
  • The balls must be removed from the first bearing and set aside. It would be wise to recalculate them.
  • The axle is carefully removed from the body. It is advisable to remove it above the surface, so as not to lose the balls of the second bearing.
  • The balls are counted, the quantity must coincide with the previous one and are laid down separately from the first batch. Mixing them is unacceptable, since during operation the parts worked together.
  • With the help of a rag, you should clean everything of old grease. If heavily soiled, use WD-40 and wipe again with a cloth.

It will not be superfluous to diagnose all elements for wear and tear. This is the final phase of the disassembly process.

Next, you need to lubricate the bearing cones. Most often, such types of lubricants are used as: TsIFTIM-201,158, Litol-24 and similar. Litol-24 does not lose its qualities even in winter.

Classic

Bicycle pedal device

The structure of bicycle pedals is somewhat similar to the hub of the front wheels. Only instead of the spokes, a platform is attached under the user’s foot with a bicycle, and on one side of the axle there is a thread with which the pedal is attached to the connecting rod. Pedals are conventionally divided into 3 types: platforms, contact and classic.

Repairs

If the pedals squeak, make extraneous sounds, or rotate with force, the cause may be in the bearing. It is necessary to make sure that the cone of the part is not pinched, whether there is grease, and in what condition the balls are. The problem will be solved by renewing the lubricant, adjusting the bearing cone, or completely replacing it.

If there is axle play in the housing, the cause may be a cracked pedal, an incorrectly tightened bearing cone, or a cup malfunction. To troubleshoot, you need to debug the tightening or replace faulty parts with new ones. Performing regular maintenance on your pedals can greatly extend the life of your pedals.

Some branded bike parts companies make replacement kits. And for pedals made in China, it is very, very difficult to find spare parts for it.

It is best to use pedals that are designed for a specific type of bicycles, as well as to take care of them, disassembly, lubrication, necessary repairs, and a two-wheeled friend will delight for a long time.