rear brake spring 2015 250 SX-F Factory Edition - Rear Brake Control 2015 450 SX-F Factory Edition - Rear Brake Control 2016 125 SX - Rear Brake Control 2016 150 SX - Rear Brake Control 2016 250 SX-F - Rear Brake Control 2016 250 SX-F Factory Edition - Rear Brake Control 2016 250 XC-F - Rear Brake Control 2016 350 SX-F - Rear Brake Control 2016 350 XC-F - Rear Brake Control 2016 450 SX-F - Rear Brake Control 2016 450 SX-F Factory Edition - Rear Brake Control 2016 450 XC-F - Rear Brake Control and all 2017 125-500 sx-xcf-excf -xcw models