Cane Creek eeSilk+ Suspension Seatpost - Alloy 31.6 x 387mm 35mm Travel Black. The eeSilk+ suspension seatpost increases travel to 35mm providing additional comfort and compliance to any bike without adding unnecessary weight. Designed to noticeably soften any gravel or mixed-surface road these posts make great enhancements by reducing the chatter transmitted from the surface to the rider.