Brembo RCS Radial Front Brake Master Cylinder - 1" Handlebar, Titanium Grey

Brembo RCS radial front brake master cylinder sized for 1" handlebars, so it bolts right onto most Harley bars with no adapter. It uses Brembo's MotoGP-derived internals and lets you tune how the brake feels. Ratio Click System (RCS): switch the lever ratio between a smoother, more powerful pull and a quicker, sharper engagement Floating piston, seals, and push rod technology from Brembo's MotoGP and WSBK master cylinders, for less friction and a precise feel Lever reach adjuster sits in line with the lever, so the feel stays consistent at any lever position 15mm piston for single-disc setups, or 19mm piston for dual-disc setups Forged aluminum body, hard-anodized Titanium Grey finish Folding long lever Built-in brake light microswitch Uses DOT 4 fluid Reservoir not included. This master cylinder is sold without a fluid reservoir, so you'll need a separate remote reservoir to run it.