1, China brand only. Giant (Giant) and Merida (Merida) are the first-line companies from Taiwan Province Province and also the international first-line companies (the main judging point is that the design of road vehicles has passed UCI certification, and they are eligible to participate in international professional competitions such as the Three Tour). The following are Xidesheng (Mainland), Decathlon (French sports brand, cross-border bicycle), Universal UCC (Kinesis in Taiwan Province Province is the major shareholder of Buwei, and Buwei is a bicycle OEM with similar technology and strength to Giant and Merida) and ZGL (Mainland, mainly carbon fiber). Then there is the niche brand, which is generally unknown in the society, but has a certain popularity in the cycling circle. The design and workmanship are still practical. Kong (China's offensive and defensive team is an amateur team, with a large scale and good domestic competition results) and miser. . . The so-called "professional" is professional, but the height and brand awareness are different (the frame can pass UCI, that is, more than 30 strict tests and certifications of cycling international league, which can be regarded as reaching a certain height). . . However, professional brands have a "problem", that is, cheap cars, bottom-level and entry-level models, including some low-end models, have little technical content, and have a general sense of riding and handling, which is the truth of "value for money", but the processing technology, quality control and failure probability in use are better than those of small brands, so novices must understand. . . 2. As a variable-speed bicycle for exercise and fitness, the old drivers all suggest "buying according to the upper limit of consumption power" (or because "you get what you pay for"). For a big brand and a high-priced car, the first thing is good geometric design, followed by good frame technology and design-these two points are directly reflected in the sense of riding and handling (more than 10,000 yuan is spelled "technical content", such as selling 65438. The old Simano 20-speed XT kit, but the XC29 sport of Lightning is excellent in geometry-the mountain bike used by Lightning in UCI World Cup is XC29 design, which is so-called tried and tested; Its off-road stability and agility are better than XTCAV1E, the giant selling 1W7, although the latter is a high-end carbon fiber frame and a new Simano 22-speed kit, and the front fork and wheelset are also very high-grade). . . 3. At present, 3000 mountain bikes in the domestic market are a watershed. In the player's words, the car at this price is worth spending money to upgrade (improve performance) later. However, we must distinguish between the giant's ATX series and Merida's warrior series at the bottom level. Even if the ATX890 is close to 3000, it is not worth buying. Bicycles pay attention to "it is better to have a phoenix tail than a chicken head." At this price, I will definitely buy Giant's XTC 800 (the lowest model in XTC series) or Merida's Challenger 300 (the lowest model in Challenger series). Although the model is very low in the series, the frame is the same (better than ATX and Warriors), and the geometric design makes the riding feel better, which is also worth upgrading in the later period. If you change the configuration after a few years, the framework can be used for a long time. . . 4. To get started with Xiaobai, first look at the big brand stores around you (generally Giant, Merida and Xidesheng are more), because the car needs frequent maintenance, and some free after-sales services will save you some money in a few years. Then go to several stores, see and write down your favorite models, and ride as much as possible. Pay attention to the height and frame size must match (for example, height 1.7) 1.8m with L code, with M code in the middle-improper size will not only affect riding feeling and handling, but also cause physical injury after a long time). As for the specific configuration of speed change kit, front fork and oil brake, Xiaobai doesn't have to bother to consider the cost performance. Several big brands use brand-name accessories such as Hermano, and there are grades. Many advanced players can't ride the gap, not to mention the rookie's "rigidity" (such as Simano's speed change kit, the solid crank of Acera in entertainment, and the second-generation hollow crank of SLX M7000 in professional mid-range). How many people can step on it? )。 . . 5. Riding for exercise and fitness, the most suitable model is the road bike, which is equipped with a code watch, a heart rate meter and a treadmill. The road bike has a set of scientific exercise instructions (online search). The road bike is the lightest and fastest, and it is most suitable for waist and leg pedaling. Generally, it is 5- 10 kg lighter than mountain bikes, and the speed starts from 30 mph to 60 mph (depending on leg strength). Mountain bikes are generally 20-25 mph, so slow down for a while (it takes a lot of energy, so you can't ride at a high speed for a long distance) because of its heavy weight, high rolling resistance and wind resistance, and poor pedaling rigidity (heavy frame, tires and shock-absorbing front fork are all factors to relieve stress). However, the riding posture of road bike is prone, which requires the flexibility of waist muscles and body. Some people can't adapt, so they can choose "hybrid sports bike" or "flat-handle road bike", which combines the lightness of road bike and the comfort of mountain bike to ride at high speed on the highway.

Flat-handled road bike (Juyi R3, 1900 entry level)

Road bike with flat handle (Giant FastRoad SLR2 2,2600)

Hybrid sports car (trick DS 1, the price is more than 3,000 yuan, but the price is more than 2,000 yuan during the big holiday promotion, TRAK is an American brand, ranking much higher than Giant in UCI international competitions) (this car looks like a mountain bike, but it is not, the wheelset, speed change kit and geometry are not mountain bikes, the long handlebars of road bikes+the swallow handlebars of mountain bikes).