The No.7 Alloy seatposts are made to be durable, lightweight and comfortable. Whether you're remounting during the cross race, or abusing them on the trail, you can trust Whisky's seatposts. Available in most common diameters with non-offset or 18mm offset options.31.6mm diameter, 18mm offsetMinimum insertion: 108mm2014 Aluminum shaft constructionTwo-bolt adjustable head400mm lengthNo rider weight limit5 year Whisky warrantyASTM Condition 3 - For rough off-road riding and jumps less than 24 Item SpecificationsClamp StyleStandard RailsColorMatte BlackDefined ColorBlackDiameter31.6Length400MaterialAluminumOffset (mm)18Weight280 Whisky Parts Co. No.7 Alloy Seatposts Seatpost UPC: 708752222670