Charge portable devices on the go with a 12-volt DC power outlet that mounts next to your bikes gauges. Minimal installation required,All required brackets and hardware included,Requires Relay Kit (99994-0510), sold separately,21mm (4/5) diameter socket, Compatible Models: Vulcan S ABS SE 2016,2017,2018 | Vulcan S ABS CAFE 2017,2019,2020,2022,2018,2021,2016 | Vulcan S ABS 2015,2017,2018,2020,2021,2022,2016,2019 | Vulcan S 2017,2018,2020,2022,2015,2016,2019,2021 | Vulcan S CAFÉ 2022 Compatible Models: Vulcan S ABS SE 2016,2017,2018 | Vulcan S ABS CAFE 2017,2019,2020,2022,2018,2021,2016 | Vulcan S ABS 2015,2017,2018,2020,2021,2022,2016,2019 | Vulcan S 2017,2018,2020,2022,2015,2016,2019,2021 | Vulcan S CAFÉ 2022