SiDI | Offroad Motorcycle Boots, Professional Motocross Boots for Men CROSSFIRE 3, Adjustable and Replaceable Buckles, Flex System, Hyper Extension Block 8.5 Black is up for auction in Automotive. The current bid is $55.00, 89% below the $499.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.