About bicycle selection?

It is impossible to be lighter and better than aluxx SLR. The latter is one of the top aluminums in the industry (Cannondale CAAD13, Trek Alpha Platinum, Giant aluxx slr). The 2021 29-inch M size only weighs 1050 grams, which is lightweight and has excellent rigidity (in the circle, "low carbon is not as good as high" "Aluminum", "high aluminum" includes aluxx slr, which is said to be better than carbon frames at the same price). The 29-inch M size of 7583 is 1400 grams. mosso is the third line. Under Giant, Merida, and Kinesis (one of the main foundries of Buwei and Trek, the other is Giant), there are second-tier companies such as Daokas, IDEAL, and EXODUS. Then there is Mosso, the difference in strength is there (aluxx slr is a frame that has been used in mountain biking in the XC World Cup, World Championships and Olympic Games, and it has nothing to do with Mosso). In terms of price, aluxx slr is about a thousand more expensive than 7583. The difference in price means a difference in overall quality. In the second-hand market, aluxx sle is easier to buy. The car is not determined by its configuration. The geometric parameters of the frame and key accessories (such as the three-piece handlebar set) play a decisive role in the handling quality and riding experience. For example, the three parameters of head tube angle, front fork offset and drag distance affect the steering flexibility of the front of the car; there are generally three types of front fork offset: 42mm, 44mm, and 51mm. How do you choose? Stems and handlebars are available in a variety of specifications, such as stem length 60/70/80/90mm, plus and minus angles 0°/6°/-10°, etc.; handlebars have one-word and swallow handles, and widths are 680/720mm, etc. , the sweep angle is 5/9°, etc., the lift is 0/5/8/10/15/20mm, etc.; the seat post has straight head/backward float 1x mm/backward float 20mm, etc.; how do you choose? Giant's aluxx slr is developed with the participation of professional players who participated in the World Cup/World Championship. All of these are precisely designed and are not at the same level as those made by a single foundry. To give my own example, the original Merida Challenger 900 was modified (the front fork cost 6,000 yuan FOX SC32 gold tube, the three-piece handlebar set cost 2,000 yuan FLA-SLK, the wheel set cost 5,000 yuan SWISS DT XR1501, and the transmission kit XT M8000 was a family barrel, which contained oil. Brakes, bottom brackets and sandwich discs), the total price of the original car + modification is more than 2W), but I always feel that the control is not strong when off-road. Later, I tried riding the Lightning Chisel (an entry-level mid-range XC hardtail model with a price of 1W, old XT m785 kit, Rockshox entry-level front fork, ordinary aluminum wheels, and Yanhao entry-level oil brakes), and found that the control The sense of oneness between the driver and the car has improved a lot, and the front steering is precise and agile. After research, I found that it is the knowledge of the frame geometry and matching handlebars. I usually just "stack" the configurations, and the control quality that is invisible on the surface is not improved. This is the biggest difference between bicycle DIY and computer DIY. For 6,000 yuan, you can buy the 27.5-inch XTC SLR 3 Model 21, which is very good for entry or advanced. For 9,000 yuan, you can buy the 29-inch XTC SLR 1, Model 21, which is basically perfect in one step (later, you can buy high-quality aluminum wheels or famous self-made carbon wheels that cost several thousand yuan. wheel can be used). Finally: For mountain bikes, the frame no.1, the wheel set no.2, the front fork no.3, the brake no.4, and the transmission kit are ranked last (because it basically has little impact on the handling performance). The three-piece handlebar set is also crucial, even though it is inconspicuous (also ranked No. 2). You buy a complete XTC SLR bike, ride it for a while, and then change the stems and handlebars of different specifications. You will understand immediately after trying it.