SWM RS 300 R RS SM 500 R 2016-2021 AS3 REAR BRAKE RESERVOIR COOLING EXTENSION 32MM RED year-2007 They come with a spring

They come with a spring loaded flexible tip that will prevent the lever breaking on impact

Strong marine grade stainless steel inner wire

1987-2004 Honda CR 500

Blue Anodised finish

SWM RS 300 R RS SM 500 R 2016-2021 AS3 REAR BRAKE RESERVOIR COOLING EXTENSION 32MM RED year-2007 They come with a springAS3 Performance rear brake reservoir cooling extensions are designed to screw in to the rear brake master cylinder to increase the amount of brake fluid held in the reservoir, this will result in the overall temperature of the brake fluid dropping and allowing your rear brake system to perform better in hot, high pressure race conditions. Will Fit 2016 2021 SWM RS 300 R 2016 2021 SWM RS 500 R 2016 2021 SWM SM 500 R (Designed to fit the Brembo master