reggisella carbonio syncros sp r100 sl 0mm offsetCreated from ultra light carbon fiber, the layup is optimized to offer an excellent balance of performance, lightness, stiffness, and comfort. Weight optimized, this seatpost for Addict RC, Addict, and Addict Gravel delivers maximum performance for riders mindful of every gram. Compatible with 77 and 79 mm rails and with a 0 mm setback, it allows mounting your preferred saddle and finding the perfect riding position. Specifications: Range of use