There are 2 products.
Yamaha R1/R6 Graves Motorsports Brake Master Cylinder Cap Graves Motorsports R1 + R6 Brake Master Cylinder Cap. A perfect accessory to your Yamaha R1 or Yamaha R6 sport bike. The brake master cylinder cap is CNC from billet aluminum and has the Graves Motorsports "G" logo. Fits: 1998-2014 Yamaha R1 1999-2016 Yamaha R6
Graves Motorsports Remote Brake Master Cyclinder Adjuster Mount Graves Motorsports Remote Brake Master Adjuster Mount for 7/8 inch Handlebars. Use with remote adjuster cables to remotely adjust Brembo Brake Master Cylinder. Mounts to 7/8" handlebars. This setup is used on most sport bike race bikes and all Graves Motorsports setup race bike user master cylinder adjustment kits.