Ergon has released a new dual-shell bicycle saddle, which features BASF's Infinergy cushioning technology in its core. Unlike conventional saddles, Ergon's new ST Core Ultra has two shells instead of one. In a conventional saddle, the shell carries out two functions as it bears the load of the cyclist while also serving as the seat shell. This may result in a stiff shell that affects the comfort of the rider. With Ergon's so-called “TwinShell” technology, the lower shell performs a load-bearing function while the upper seat shell supports the padding. The core of this system, sandwiched between the two shells, is BASF's Infinergy, described as an innovative material made from expanded thermoplastic polyurethane (E-TPU), which is supposed to offer better damping and suspension thanks to thousands of light and highly elastic foam particles. The high elasticity improves the damping pressure in the seat area. The E-TPU foam has already been used by other manufacturers in safety and running footwear. Ergon's new saddle system is said to offer altogether better pressure distribution across the bones, more natural pedaling ergonomics, ideal vibration damping and active back protection. The ST Core Ultra saddle was presented for the first time at last week's Eurobike trade show in Friedrichshafen. The product will be available in Europe and the U.S. from February 2018.

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