Brembo 11mm Rear Brake Master Cylinder Rebuild Kit BMW F650GS 1999-2007. 

Brembo Part Number-110436241

NEW OEM 11mm Rear Brake Master Cylinder Rebuild Kit.

Genuine Brembo Parts.

Fits all 11mm Rear Masters with 40mm Mounts.

If unsure we will suggest stripping your master cylinder first and make sure that all parts are the same before purchase.