The seat made of polyurethane has good resilience, can better fit the human body curve, disperse body pressure, and reduce fatigue during riding. In addition, the soft polyurethane foam is flexible and elastic, which can provide soft support and improve riding comfort.It has certain strength and dimensional stability, with dimensional stability less than 1%, and certain elastic deformation ability, with elongation greater than 5%. It can withstand various pressures and frictions in daily riding, is not easy to be damaged and deformed, and ensures the service life of the seat.
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