Graves Motorsports Rear Axle Alignment Tool for the 99-22 + Yamaha R6, 06-09 R6S and 98-22 + Yamaha R1 + Yamaha R9 (all) The Rear Axle Alignment Tool is made from ultra-durable Delrin and is used to push your rear axle out and hold your rear brake caliper mount in place while your rear wheel is removed. This tool also makes installing your rear wheel and axle much easier. This tool is used by Team Graves Yamaha at the AMA Superbike Series Races. This product is Manufactured in the U.S.A.. Fitment: Yamaha R1 1998 – 2025 + (all) + Yamaha R6 1999-2022 + (all) Yamaha R6S 2006-2009 + Yamaha R9 (all)