Rollerblade 3WD FRAME 110 MARATHON - E2 - 11.5 inches - SaleRollerblade 3WD FRAME 110 MARATHON E2 11. 5 inches Sold in a pair Includes Axles. Upgrade your skates with this quality 3x110 frame from Rollerblade. Same as found on their high end Endurace skates. High quality 295mm extruded aluminum frame features 3WD technology for skating on a 3x110mm set up with a slightly longer base for added speed. The 3WD 110 Marathon Frame is designed for added power transfer and stability. The 11. 6 295mm extruded aluminum