Galespeed Thumb-Brake Brake Master Cylinder GS-RMC12-TH6KIT Stella GP-R Jacket Firm compound is used for

Firm compound is used for the inner and outer flange for added durability

Comes with Power Core software that connects dyno runs with fuel tuners to unlock your ride’s

mounting hardware and installation instructions

Muffler sleeves and end caps constructed from titanium

Count down the laps with FMF

Galespeed Thumb-Brake Brake Master Cylinder GS-RMC12-TH6KIT Stella GP-R Jacket Firm compound is used forGalespeed Thumb Brake Brake Master Cylinder The GALE SPEED rear master cylinder has a 12mm piston diameter and was designed to match the general racing lever ratio . Forged 6061 and 3D machined body with a T6 heat treatment for strength and corrosion resistance. Adjustable mounting points slide to widen mounting points for universal applications. NOTE: Fluid tank sold separately. Piston Diameter: 12mm Mounting Pitch: 49mm Includes 2 return spring