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. Product Details: 2014 Aluminum shaft construction Two-bolt adjustable head 400mm length No rider weight limit 5 year Whisky warranty ASTM Condition 3 - For rough off-road riding and jumps less than 24" Specifications: Clamp Style: Standard Rails Color: Matte Black Defined Color: Black Diameter: 30.9 Length: 400 Material: Aluminum Offset (mm): 0 Weight: 294