Graves Motorsports Universal Motorcycle Swing arm Spool Adapter mounts are designed for motorcycles like the Yamaha R7 / FZ-07 / MT-07 / XSR 700 that do not come standard with factory pre drilled spool mounts. This kit requires drilling and installing the mount rivets. Included with the kit are a set (2) of 6mm Graves swing arm spools. See the instructions tab to answer any mounting questions. Fitment: Multiple Bikes including the Yamaha R7 2021 + / FZ-07 2015-2017 / MT-07 2018-2019 / XSR700 2016-2019