HEL Replacement Thumb Brake Fork Clamp Product Details: 55mm Clamp CNC Machined from Billet 6082-T6 Aluminium Manufactured in Devon, UK Hard wearing black anodised finish The HEL brake lab develops all braking products using data collected in partnership with multiple HEL backed Superbike and Road Racing teams. HEL Performance are constantly updating their product lines to ensure they are producing the highest performing parts available. If you are unsure about fitment please get in touch and we will be happy to help.