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Don't get too tangled, this thing is science, but when it's not a professional competition, it doesn't mean much at all.
When you compete professionally, you need to accurately calculate the gear ratio to match your physical output.
What you should pay attention to is not to use a gear ratio with a large drop, for example, the front and rear gears use large chainrings, or the front and rear gears use small chainrings, because this will cause the chain to tilt too much between the front and rear gears, resulting in unnecessary wear and aging. Try to keep the chain straight.
The large crankset of the crankset is generally not used, and it is used only after the speed is lifted, and it is generally used at a speed of more than 35 kilometers. Don't use the small chainring, generally when climbing, temporary emergency downshifting, so usually use the No. 2 disc in the middle, determine this crankset, the back is easy to say, how comfortable how to adjust, adjust the back of the flywheel on the line, feel sour on the downshift, cadence is fast and easy to increase.
After learning the above parts, then whether it is a flat road or a road, you will know how to use your transmission, which is important, so your set of gear numbers is meaningless.
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Hang in a gear you can ride.
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The front is generally placed at 2, and the back is converted between 6, 7, and 8
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You can tell you're a power player!
Put the middle plate in front of you, and you will feel very relaxed, and the feeling of riding is so wonderful!
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1-123 is selected according to the slope.
The left and right combinations of the 24-speed mountain bike transmission are generally as follows: 1- 1, 2, 3;2- 3,4,5,6;3- 5,6,7,8。
When starting, it is generally 2-4 starts, and cruising at 3-5 normal speeds. When going uphill, in order to reduce physical strength and want the bicycle to move forward obediently, you can adjust the left to 1, the right 1, 2, 3, that is, the front wheel is adjusted to 1, and the rear wheel is adjusted to 1, 2, 3, depending on the situation.
Riding techniques for mountain bikes.
1. Make good use of variable speed.
The transmission should be used more, find the right gear to ride can save physical strength, in general riding, the first half an hour with a low gear and high frequency warm-up, the middle with a high-grade force to pedal at high speed, the second half an hour of low gear recovery fatigue.
2. Cornering skills.
When cornering, the pedal in which direction you turn is received from the top, on the one hand, you can avoid the pedal from scratching the ground, and on the other hand, you can adjust the center of gravity to the state of cornering.
3. Downhill skills.
When going downhill, keep your center of gravity back and your body relaxed.
4. Physical strength distribution.
It is necessary to study the cycling route and the physical condition of the team members, reasonably distribute the physical strength, and strive for the best exercise effect.
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Take the Duke 650 as an example, according to the average physical strength, the national highway cruising 28 kilometers per hour.
Large slopes (steep slopes, or relatively long more than 2 kilometers) can be directly 1 in front of 1 and 1 in the back, or 1 in the front and 2 in the back, 3 in the back, or even 2 in the front and 3 in the back.
If it is slower than the slope or the length is shorter, you can use the front 2 and the rear 3, the back 4 or the back 5, depending on the road conditions.
The general slope does not need to be adjusted, the front 2 and the rear 6 or the back 7 are OK.
It mainly depends on physical strength and road conditions, and if you have good physical strength, you can maintain a speed of more than 20 kilometers on an 8-kilometer-long continuous uphill slope.
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How many gears are left and how many gears are good for uphill climbing? Shifting is skillful, the right combination for you, physical strength to touch the mountains? Hehe, you've made the right choice. The 24-speed section is a good choice to get started, and I played it.
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Only I know best!
Personal physical problems, habits, road conditions, and more! Combine the actual situation and find out the gear that suits you!
There are also mid-plate uphill people, and there are all small ones, everyone's actual situation is different, it's really hard to say!
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There is a basic principle, that is, the chain should avoid large oblique tension as much as possible, which not only increases the friction resistance, but also increases the wear of the chain and tooth teeth. For 24 speeds, generally the front 1 with the rear 1-3, the front 2 with the rear 3-6, the front 3 with the rear 6-8 is more appropriate, of course, occasionally for the convenience of the speed shift moderate crossing is not a big problem, but large angle oblique should be avoided as much as possible.
On the basis of the above principles, according to the priority to meet the principle of cadence to choose the appropriate gear, it is best to choose a gear that can maintain a cadence of more than 60 when going uphill, rather than a higher gear with a lower cadence, the purpose is to avoid premature muscle fatigue under heavy stepping resulting in lack of stamina, and this is also a common misunderstanding of many beginners, they feel that climbing with a higher gear will seem more awesome, but it is actually difficult to continue.
On the flat road, still give priority to cadence, it is best to reach about 90, on this basis choose the appropriate gear, beginners can use 2-6, usually 32 teeth with 14 teeth, 90 cadence can reach speed: 32 14 *, good foot strength with 3-6, usually 42 teeth with 14 teeth, the speed can reach, if it is 44 teeth with 14 teeth, the speed is. A mountain bike that can last at this speed for an hour is a master.
When going downhill, or someone in front of the formation riding to block the wind, 3-7 and 3-8 gears will be used, with the maximum gear ratio of the general mountain bike 44 with 11, the speed will reach when the cadence of 90 is reached, and the higher speed must be achieved by increasing the cadence, and the speed will reach more than 60 when the cadence is 120, you - the man like the wind, please pay attention to safety!
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Summary. At present, the mainstream bicycle gears are divided into 3 * 6 speed, 3 * 7 speed, 3 * 8 speed, 3 * 9 speed, 3 * 10 speed five kinds, the use of the gear scenarios and introduction are as follows: 1, the front speed 1 gear, more labor-saving, mostly in the uphill or uneven road section caused by insufficient vehicle power; 2. Front speed 2 gears, the use of strength and speed between the low and high teeth, in the general road use; 3. Forward speed 3 gear, slightly laborious but fast when stepping on it, mostly used in downhill acceleration and usual acceleration; 4. Rear gear 1, which is more labor-saving but much faster, is mostly used when the car is insufficient due to uphill or uneven road sections; 5. After the speed change is 2 3 4 5 6 7 8 gears, the strength and speed of use are between the low and high teeth, and they are used on the general road surface; 6. Rear gear 9, a little laborious but fast when stepping on it, mostly used in downhill acceleration and usual acceleration;
At present, the mainstream bicycle gears are divided into 3 * 6 speed, 3 * 7 speed, 3 * 8 speed, 3 * 9 speed, 3 * 10 speed five kinds, the use of the gear scenarios and introduction are as follows: 1, the front speed 1 gear, more labor-saving, mostly in the uphill or uneven road section caused by insufficient vehicle power; 2. Front speed 2 gears, the use of strength and speed between the low and high teeth, in the general road use; 3. Forward speed 3 gear, slightly laborious but fast when stepping on the crack, mostly used in downhill acceleration and usual acceleration; 4. Rear speed 1st gear, digging is more labor-saving but much faster, and is mostly used when the vehicle strength is insufficient due to uphill or uneven road sections; 5. After the speed change is 2 3 4 5 6 7 8 gears, the strength and speed of the loose rubber are between the low and high teeth, and the general road surface is used; 6. Rear gear 9, a little laborious but fast when stepping on it, mostly used in downhill acceleration and usual acceleration;
Can you add, I don't quite understand it.
At present, the mainstream bicycle gears are divided into 3 * 6 speed, 3 * 7 speed, 3 * 8 speed, 3 * 9 speed, 3 * 10 speed five kinds, the use of the gear scenarios and introduction are as follows: 1, the front speed 1 gear, more labor-saving, mostly in the uphill or uneven road section caused by insufficient vehicle power; 2. Front speed 2 gears, the use of strength and speed between the low and high teeth, in the general road use; 3. Forward speed 3 gear, slightly laborious but fast when stepping on the crack, mostly used in downhill acceleration and usual acceleration; 4. Rear speed 1st gear, digging is more labor-saving but much faster, and is mostly used when the vehicle strength is insufficient due to uphill or uneven road sections; 5. After the speed change is 2 3 4 5 6 7 8 gears, the strength and speed of the loose rubber are between the low and high teeth, and the general road surface is used; 6. Rear gear 9, a little laborious but fast when stepping on it, mostly used in downhill acceleration and usual acceleration;
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First of all, I will introduce the transmission knowledge of the Sakura Land Car of the Mountain Fissure Bureau:
On the left is the front transmission, there are 1 to 3 gears, a total of 3 gears, the larger the number, the larger the diameter of the crankset, that is, the transmission is adjusted to 3 gears, and the following chain bush strips will be on top of the largest crankset, and so on.
On the right side of the Lachong is the rear transmission, which is generally 7-speed and 8-speed, and now there are many 9-speed and 10-speed ones. Now take the 8-speed as an example, the rear transmission has 1 to 8, a total of 8 gears, the higher the number, the smaller the gear, let's say to adjust to 8 gear, the chain is on top of the smallest gear, and so on.
Usually riding, the general gear is the front transmission in 2nd gear, the rear transmission in about 7th gear, downhill or fast, the front transmission is adjusted to 3rd gear, the rear transmission is adjusted to about 7th gear, depending on the speed, when climbing, the slope is very large, the front transmission needs to be adjusted to 1st gear, and the rear transmission is generally in 4th gear and below.
Now when it comes to the question of how many gears are the fastest, without considering the rider's own ability, the left front transmission is adjusted to 3rd gear, and the right rear transmission is adjusted to 8th gear, the speed is the fastest.
It is not recommended to adjust to the first 3 or 8 gears when pressing the road, and to adjust to the maximum gear when downhill or racing.
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