The problem of mountain bike chain, how to adjust the loose mountain bike chain

First of all, your crankset is not good enough. A good crankset will not be ground in one position when pedaling and not grinding in another position.

Back to the present on your car, I wrote one before about the front dial debugging method, and copied it to you.

Note: The maximum and minimum of all gears refers to the diameter of the platter.

1. Adjust the L screw.

Finger dial the minimum gear, finger dial fine adjustment screws to the innermost, the chain on the smallest plate, the flywheel is the most, adjust the L screw to the far left of the front dial (rear viewing angle) just about a millimeter distance from the chain (in short, not rubbing on it).

2. Lock the line. Loosen the wire of the front drapilleur and tighten it by hand (no need to push too hard, a little loosening is better.) It is probably the appearance of putting 2-3 mm after the hand can be tightened) and then lock the steel wire, because the front dial force of the speed link is large, so it is necessary to ensure that the force of the front dial will not cause the steel wire to slide.

3. Adjust the trimmer screws.

The chain changes to the middle disc of the flywheel, the finger is dialed to the second gear, the front crankset also puts the chain in the middle disc, and then adjusts the fine adjustment screw of the finger dial to the chain is exactly in the middle of the front dial.

4. Check the position of the steel wire.

At this time, the finger is dialed to the minimum gear, confirm that the steel wire is not hard (that is, the front drapillator is limited by the L screw), if the steel wire is completely tight, go back to step 2, put a little more line.

5. Adjust the H screw.

The chain puts the flywheel in the smallest gear, the crankset is the most **, and the H screw turns the finger dial to continue to make the front derailleur upper gear will be limited to the right side of the front derailleur (or the rear view of the car) from the chain mm or less.

Completely lock the wire.

It's done, let's go out for a ride.

The crankset is a little biased to be better than the big crankset. Your problem is that the front dial is a little loose. Turn the fine adjustment knob next to the variable speed lever counterclockwise four or five times to see, not enough to add a few more turns, and if too much, loosen a few times.

There are two screws on the front dial, the one that says h, which is the one inside, turn clockwise, about half a circle, the front dial will move outward, and you really won't go to the car shop to let the technician adjust, and you won't charge money.

Bicycle tuning:

The method of the chain:

1. Use a live wrench to loosen the rear axle fixing nut clockwise (both sides).

2. Use a live wrench to tighten the chain tightness adjustment nut (both sides) counterclockwise. If you don't have a chain tension nut attached to the frame, you can simply pull the axle forward by hand.

3. Use a wrench to tighten the rear axle fixing nut (both sides) clockwise.

Added: Only dead fly bikes and regular bikes without shifting can tighten the chain.

Our common tires for mountain bikes are usually above (generally in inches, and may be used in special tracks, which are a little wider.

The adjustable type of the front and rear frisbees of mountain bikes will be relatively large, the front frisbee is 3 pieces, the rear frisbee is generally 6 pieces, and some are 7 pieces, which is designed due to the special use of mountain bikes.

Nowadays, most of the brakes used parallel brakes and disc brakes (anti-lock braking) are used in mountain bikes, which are roughly the same.

Mountain bikes have wider tires and brackets with shock absorbers, which are not as aerodynamic as road bikes, which is also a difference in use.

Mountain bikes, originally designed to be able to run mountain roads, are basically equipped with front fork shock absorbers, and some in addition to the front shock absorber thought that there are also shock absorption equipment under the seat, and its seismic effect will be better.

Mountain bikes have a straight bar front with corners at both ends to prevent impacts, and a shock absorber for shock absorption.

Mountain bikes have a gearing system, so the tension of the chain can be adjusted by itself. If it gets too loose, it's time to replace the chain. Because the chain is a wearing part, it is also the part with the most wear, and to a certain extent, such as riding about 10,000 kilometers, it should be replaced.

Otherwise, it is easy to drop the chain, run the chain, and break the chain, which are all potential safety hazards.

Use a special chain cutter to truncate it, but it is generally better to replace it with a new one.

There are two reasons why I still slip after changing:

First, the flywheel is too worn.

Second, because the chain is new, it does not match the old flywheel very well.

Because the 6-speed car does not change forward, the chain is very inclined when it is put into 6th gear, so if you use it for a long time without much maintenance, the chain and flywheel will wear out quickly.

Mountain bike chains not in the middle of the crankset can lead to several situations that can affect the smoothness and effectiveness of the ride. 1.Gear jump:

If the chain is not in the middle of the chainring, it may cause the chain to jump or slide when shifting, causing the shift to be unsmooth or failing, affecting the stability of the ride. 2.Chain drops:

The chain not being in the middle of the chainring can also cause the chain to fall, especially when bumps or heavy gear changes. This can lead to a sudden stop during the ride or lead to an accidental fall, posing a safety threat. 3.

Impaired riding effect: When the chain is not in the middle of the crankset, the transmission efficiency is reduced. This is because the chain is mismatched in the wrong position creates unnecessary friction, increases drag, and affects the conversion of riding speed and effort.

In order to avoid the above problems, we should always check and adjust the position of the chain to ensure that it is in the middle of the chainring. This can be done by adjusting the front and rear derailleurs or adjusting the chain tension. In addition, regular cleaning and lubrication of the chain is also an important measure to keep the chain functioning properly.

The chain is one of the most important parts of the bicycle, the chain connects the bridge between the hub and the crankset, and is the most important thing to transmit power. Therefore, many riders who guess that the lack of closure will encounter the problem of loose spike cracking chains. The way to loosen the mountain bike chain is to make a smile.

Use a wrench to loosen the rear axle screw.

Then pull the rear wheel back to tautize the chain.

After adjustment, tighten the rear axle.