Used Cane Creek eeSilk aluminum alloy elastomer suspension seat post measuring 27.2mm diameter x 350mm length in satisfactory condition with several blemishes and scratches.The installed rubber compound elastomer bushing is a #3 (durometer 50 or soft density), Includes two additional new rubber compound elastomer bushings in #5 (durometer 60 or medium density) and #7 (durometer 70 or firm density).