What material is better for bicycle seat cushions?

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Look at the price and your own needs. There are many types. Drunken cheap sponges worth tens of yuan or tens of yuan are all cheap ordinary sponges with questionable material sources (of course, the cheap Jeanne Merida vehicle, although also equipped with dozens of yuan of seat cushions, uses qualified sponges that won't smell or deteriorate over time). The main use of mid to high-end seat cushions is "dynamic sponge" (Italian logo technology), a new type of composite sponge. When riding a bike, the cushion has a slight rebound to counteract some harmful impacts on the spine. When a person leaves the car, it restores its original height... Memory foam "is one of the types of polyurethane (also known as the" fifth largest plastic "), which has a similar effect to the sole of Adidas'" popcorn "running shoes and has a similar effect to the previous ones... EVA "is a type of cushioning plastic, and the sole of most sports shoes belongs to EVA. However, the EVA of bicycle seat cushions is a composite material such as adding fibers to make it soft and hard... Silicone "(a technology from Italian SR), it looks like a sponge when pressed manually, but its rebound and support force are higher than that of a sponge. Good silicone seat cushions, when the road is bumpy, look like a shock absorber spring is installed in the back of the car, but silicone can be very hot in summer... It is determined by its own consumption capacity, vehicle type, and cycling purpose. Racing road bikes, long-distance road bikes, regular hard tail mountain bikes, XC hard tail mountain bikes, soft tail mountain bikes, etc. all have their own targeted seat cushions. The general price starts at 100 yuan in China. The more expensive the product, the higher the cost in the design. Although it is made of the same material, due to the use of various ergonomic software, biomechanical software, dynamic human body testing, and even finite element analysis and other comprehensive technological means in the design, the use effect will have an extra bonus (i.e. "one penny, one penny")... In addition, leaving the "design level" to only talk about materials is a castle in the air. No matter how good the filling material is, it cannot be done without a high design.

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