The EVOlution racing saddle shares the same shape as the EVO with integrated seatpost \n Swooping contour lines perfectly matches the fluid lines of modern BMX racing frames \n Uniquely sleek and slim to ensure zero disruption under any riding motion \n Custom lightweight alloy pivotal hardware accessible with special allen wrench (included) for seamless look \n For those with a dedicated warmup/cooldown saddle, the EVO pivotal is the ultimate race time saddle