The fizik arione k3 saddle is designed with a triathlon specific saddle shape the new generation of tri saddle the additional nose padding along with a seamless front cover provides a smooth transition up and down the saddle the grip dots on the saddle prevents unwanted movement spine concept is the fi39zik guideline to ensure you choose the correct saddle for you fizik have developed an understanding realising that cyclists have varying degrees of flexibility and human flexibility whic