What is a bicycle starter? How to properly adjust the bike starter

Current bicycles are often integrated with a starter. So what is a bicycle starter? This article of Tnhelearning.edu.vn will help you get more information about bicycle starters and how to properly adjust bike starters. Let’s find out together!

What is a bicycle starter?

A bicycle starter is also known as a gear shifter, a variable speed drive is a transmission system that shifts onto the appropriate disc and cassette to assist the user in varying the pedaling force for a flexible and convenient cycling process.

The parts included in the bike starter kit are:

• Threaded hand

The handlebar is designed with a right hand and a left hand lever, which is attached to the handlebar (handgrip) of the bike. Each hand will have its own function. The right hand lever has the function of transferring the chain to the steps of the cassette, and the left hand lever has the function of transferring the chain to the discs.

However, depending on the type of vehicle, there are some types of disc designs with only 1 floor, so the car has only one right hand lever.

• Topics before and after

The front sprocket has the function of moving the chain between the discs when the left hand pulls the chain up or releases the chain down.

The rear sprocket has the function of moving the chain between the cassettes when the handwheel has to pull the chain up or release the chain down. The following thread has many screws used to adjust the range of the chain.

• Thread

The thread has the function of transmitting power from the hand to the front and rear threads.

Working principle of bicycle starter

You can adjust the bike starter by turning the swingarm until the chain arm rests on the appropriate sprocket and sprocket.

Plate	Lips	Use
first	1, 2, 3	When going uphill, the road is difficult, pedal lightly
2	4, 5, 6	When running in the field
3	7, 8, 9	When accelerating, narrow road, heavy pedaling, practice, practice

How to properly adjust the bike starter

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• To adjust the front starter, first check that the position of the starter cover is set correctly, there is no twist around the handlebars. Next check the position of the front derailleur , the largest disc to see if it matches the print on the stamp and adjust if it doesn’t.
• Then, turn the left handwheel to change the front gear to the smallest disc and turn the right hand wheel to change the rear gear to the largest gear . Rotate the sprocket a few times in the same direction to make the chain and sprocket fit.
• After turning, check to see if the chain and the chain lever in the front gear unit are touching. If yes, you just need to adjust the screw with the letter L (Low) so that the distance between the chain and the left edge is 2mm .

• Next, you continue to turn the left handwheel to change the front gear to the largest disc and turn the right hand wheel to change the rear gear to the smallest gear and then rotate the disc thigh a few times in the same direction to make the chain and the sprocket match .
• After turning, check to see if the chain and the chain lever in the front gear unit are touching. If yes, you just need to adjust the screw with the letter H (High) so that the distance between the chain and the right edge is 2mm .
• While switching between discs, if you feel that the discs are not going all the way, adjust the tension of the starter belt (like adjusting the tension of the brake line). The screw used to adjust the front gear is usually located on the right hand wheel.

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• Similar to tuning the front starter, first you need to check the position of the starter cover, the position of the rear starter.
• Then, turn the handwheel to change the front sprocket to the smallest disc, the rear sprocket to the largest sprocket , and then rotate the sprocket a few turns in the same direction to make the chain and sprocket match. Check that the top guide wheel is aligned with the largest cassette. If misaligned, adjust the screw with the letter L (Low) so that the wheel and cassette are in line .
• Next, turn the handwheel to change the front sprocket to the largest disc, the rear sprocket to the smallest sprocket, and then rotate the sprocket a few turns in the same direction to make the chain and sprocket match. You check that the upper guide wheel is in line with the smallest cassette. If misaligned, adjust the screw with the letter H (High) so that the wheel and cassette are in line .

• After adjusting, you put your foot on the car, tilt the car to the right, the right hand shifts the gear, the boy’s hand rotates the disc. If you feel the chain is not moving smoothly, skipping or heavy when shifting, you need to reduce the tension of the chain . If the chain does not jump up or jump up and down abnormally , it is necessary to increase the tension of the chain because the chain may be duplicated.
• The screw to increase the tuning of the thread is usually located on the back of the thread. The screw is specially designed to avoid swinging, each rotation is 1/4 turn .

Notes on using a bicycle starter

Rules for shifting gears for bicycles

• The small cassette gives a heavy pedaling feeling, suitable for speeding and racing.
• The large cassette gives a gentle pedaling feeling, suitable for climbing slopes or light pedaling.
• Small forks for a gentle pedaling feel.
• Large forks for a heavy pedal feel.

Spoon and fork have the opposite principle. Please note this basic rule to be able to shift gears and forks to suit the type of terrain you are running.

Note the position of the handle when using the bicycle starter

• The right hand lever has the function of changing the rear cassette for the bike.
• The left hand lever has the function of changing the front fork for the bike.

Choosing the right forks and cassettes

• Depending on the needs and terrain you are pedaling, choose the fork and cassette that is suitable for your pedaling force, making the pedal force the most comfortable, neither too light nor too heavy.
• When changing the cassette, your feet must pedal evenly, step forward, do not step backward, pedal hard because it is easy to lose the chain, break the chain.
• Choose small forks and large cassettes when pedaling lightly, suitable for climbing slopes, running against the wind or when you are tired.
• Choose large forks and small cassettes when pedaling speed is needed, suitable for accelerating, running with the wind.
• Note that when accelerating , do not change gears suddenly , must shift each gear to the appropriate gear.

In case you need to change gears on the starter

• When preparing to enter the slope, you need to switch to the large gears one by one to prepare for the uphill, or when you have just finished climbing the slope, you need to switch to the small gears one by one to prepare for the downhill.
• You should change slowly, do not go uphill and then start shifting.

Limit cross slugs on bicycles

• Improper chain setting in the fork and in the cassette will cause the chain to be stretched , which can easily cause cross-slugs , chain slippage due to angular contact of the gears and heavier weight can cause the chain to break.
• You should set up the optimal disc and cassette as on the principle of limiting this situation.

Hopefully, the above information will answer for you what a bicycle starter is and how to properly adjust a bicycle starter. If you have any questions, let us know by commenting below!