Basic knowledge of bicycles

The first day bicycle classification
A mountain....
Characteristics: for to conquer all terrain, frame design firm, Circle is generally 26 inches, Tyre thicker, Usually the configuration of the flat or yan.
Ii. The road vehicles
Characteristics: designed for speed for 700C specifications; circle, Tires, configuration horns handlebar.
Three cars climbing. BMX
Characteristics: the expression skills and design, frame, tires, wide without tooth handlebar can be 360 °, small diameter wheel operation. Do not play for young people.
In the second quarter
A womb. Hill
Characteristics: tyres bulky, good stability, low air pressure, general 1.5 and 1.95 and 2.1 several different specifications, because use into mud and sand road, there is deep; tire wide Amphibious tire, is only a highway when riding in contact with the ground tire and small resistance, while riding in dirt-track on both sides of the womb teeth vehicle, Slicks, the characteristic is small resistance, suitable for road bike.
Ii. The road
Tires, tire pressure high, Generally, there 23C 25C, public 18C, etc 23C 25C, specifications, and for training, public and 18C explosive small resistance fit.
The third quarter handlebar
A mountain....
The bike generally balancing the advantages, or yan hands when the grip is piece very broad, be helpful for control, One can raise yan, so the center of gravity, more suitable for car back down. A big disadvantage is that resistance.
Ii. The road vehicles
The road with horns, general 44CM 42CM, etc, and the width of the specification for the width and shoulder are the same as wide, its characteristic is that can reduce wind resistance, suitable for long time rides.
The fourth quarter suspension system
Before and after the shock absorber into shock absorber, can make more comfortable ride down, especially for the essential components, But for the flat road to ride have diarrhoea force ", "the bad influence, if the shock absorber system with locking function will make more adapted to the car. The road to shenzhen suggestion deserves before the shock absorber.
The fifth day drive system
Variable speed drive system is using crankset and between different than the gear wheel, different drive torque, to adapt to different conditions and the rider's health.
A mountain....
General crankset for three gears, 44 (42) respectively, 34 (32), 28 (24) a tooth, After fly for 7-10 pieces gear, respectively 11-28 (34) a tooth.
Ii. The road vehicles
General crankset for two gears, there were 52 (54), 42 (39) a tooth, After fly for 8-10 pieces, 11 - gear teeth 25.
The 6th brake system
Road vehicles are generally divided into crane for containment, mountain, V and drive system, the most common is the V and disc.
V system is cheap, light weight, good effect of brake, simple structure, easy maintenance, Defect is in the rainy day and mud road effect,
Disc brake system's advantages are effect, suitable for cars and riding down the road, the defect is mud weight, expensive and complex structure, easy maintenance, hold death wheel.
Seventh frame materials
A: heavy. Highintensity steel, high strength,
Ii. MuGang chromium:, high strength and long life,
Three. Don't rust: light, aluminum alloy, low intensity, long lifespan (5-6 years),
Four: light alloy. And long life, soft,
Five: the carbon fiber. The other half, carbon (and is) metal parts contact with two of longitudinal strength, good tolerance, but afraid of lateral force and distorted.
8 how to configure suits your car
From several highly and length of choose and buy and adjust themselves to the price of cars, car is not the most important, suit oneself body is the most important.
A safe altitude....
Stand on the ground across the car tube and tube is to have 4-5CM cold-cocked in the safe distance and get hurt when cold-cocked.
Ii. The road car sitting on the package and handlebar and relative height tube
Sitting on the road from at least bag, tube 10CM 20CM 15 - for good, while the bag is made by high 10CM around.
3 the height. Frame
According to the different height. Choose frame
The length of the four. Frame
In normal wrap, eyes, to stand in front of HuaGu front and 3.1 explain frame length, otherwise but just by changing the length of the covenant to adjust length.
5. Sit packet height
While sitting on the bag, using heel flybar stepped on the lowest, knee unbend, just for highly just like his forepaws with just a few CM headroom.
6. Sit around the bag
Put the pedal, was sitting in sit above packages, such as swimmer and knee foreleg perpendicular to the ground for the position of attachment. If the mountain can often sit bag slightly forward tone.
The level of the seven. Sit package
Suggestions will sit packets into level or slightly curved to enhance the control of car, not in favor of slopes downward, but still with personal feeling.
9 riding technology
A variable. Use
Transmission to use, find the suitable gear can save energy, bike riding, half an hour before the use of high frequency among the warm-up, low speed with high-grade power, after half an hour on low fatigue.
Ii. Corner skills
Corner, what direction to bend the direction of which, on the one hand, can receive top push-off to avoid touching the ground, on the one hand blow pedal adjustment to the center can be bent.
3. Downhill skills
Hill to focus on, relaxes the body.
4. Team riding
Team with the bike ride lines can save 30% energy, behind the team with the general understanding by this bike way team. Generally LingQi one hundred meters to a kilometer, then let out a queue to, so on and so on. In addition, according to the different wind, adopt left or right with the car position, can maximize the use of the head. But the first car must use gestures with hints of the players of the road ahead, lest appear dangerous situation.
5. Physical distribution
Much research driveway and physically, rational distribution, the best physical exercise.
The festival
To buy helmet and gloves, riding trousers, lamps, etc, to minimize the safety equipment from oneself and external risk. Buy insurance, to prevent bask in. Strengthening the safety consciousness, obey traffic rules, the urban road lane, non maneuvering of motor vehicle, road along the roads within 1.5 meters for bicycle lane is lawful. Money can alleviate pain as money.