Selle Italia X-Bow Superflow TI 316 Saddle - Small. The X-Bow is an All-Mountain saddle suitable for both E-bike disciplines and Gravel terrain. Designed and created for those who are looking for adequate support and stability on any type of terrain while at the same time guaranteeing excellent comfort; this also due to the central Superflow cut-out that relieves pressure from the perineal area.