7x7mm has been and continues to be the dominant standard for saddle rail size. Our standard seatpost clamps are optimized for 7x7mm rails. Now that rails are being made from carbon fiber many new saddles have rails that are from 7×9 to 7x10mm. Our existing clamps work, but it looks bad and you lose about five degrees of nose down adjustment.
The picture above shows our solution. We have designed, tested and released to production a new accessory bottom clamp. The silver bottom clamp in the picture is our standard bottom clamp. The black clamp is the new bottom clamp for over sized rails. The post in the picture is assembled on a Fizik saddle with 7 x 10.3mm carbon rails.
We will continue to ship seatposts with the existing bottom clamp as 7x7mm rails are still standard.
In about 90 days a new accessory clamp kit will be available for people to purchase for use with any Elite or Masterpiece post for use with over sized rails; retail $24.95. The new clamp set will be useful for anyone with over sized carbon saddle rails or for riders with over sized metal rails on a Downhill or BMX saddle.