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Brembo 19 RCS Radial Brake Master Cylinder w/ Folding Lever (110A26310)
Product Overview
This is Brembo's 19mm radial brake master cylinder, built for 7/8" handlebars and configured for double-disc front brake setups. It uses Brembo's RCS (Ratio Click System) adjustment, which lets the rider select between two lever ratio positions to change brake feel — one setting biased toward a stronger initial bite, the other toward a more gradual, progressive response. The lever is a standard-length folding design, and the unit ships with a brake switch and a double-hole banjo bolt included.
Key Technology & Design
Brembo states the RCS system allows the same master cylinder to be adjusted for different riding conditions and rider preference by changing the lever ratio, rather than requiring a different unit for a different brake feel. As a radial master cylinder, it mounts perpendicular to the bar rather than in line with it, which is the more common configuration on performance-oriented setups compared to older axial designs. The folding lever is designed to fold inward under impact, which can reduce the chance of the lever snapping in a tip-over. The body is billet aluminum with an anodized surface finish.
Specs
Manufacturer Part #
110A26310
Piston Size
19mm
Bar Size
7/8"
Lever Type
Folding, standard length
Disc Application
Double (two-disc front setups)
Brake Switch
Included
Banjo Bolt
Double-hole, included
Material
Billet aluminum
Finish
Anodized
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Brembo 19 RCS 19mm Brake Master Cylinder + Folding Lever for 7/8" or 22mm Bars

Brakes / Brembo

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$658.10

Availability: Ships from Warehouse in 1-2 Business Days

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Brand:

Brembo

SKU:

177-0473

Description:

Brembo 19 RCS Radial Brake Master Cylinder w/ Folding Lever (110A26310)

Product Overview

This is Brembo’s 19mm radial brake master cylinder, built for 7/8″ handlebars and configured for double-disc front brake setups. It uses Brembo’s RCS (Ratio Click System) adjustment, which lets the rider select between two lever ratio positions to change brake feel — one setting biased toward a stronger initial bite, the other toward a more gradual, progressive response. The lever is a standard-length folding design, and the unit ships with a brake switch and a double-hole banjo bolt included.

Key Technology & Design

Brembo states the RCS system allows the same master cylinder to be adjusted for different riding conditions and rider preference by changing the lever ratio, rather than requiring a different unit for a different brake feel. As a radial master cylinder, it mounts perpendicular to the bar rather than in line with it, which is the more common configuration on performance-oriented setups compared to older axial designs. The folding lever is designed to fold inward under impact, which can reduce the chance of the lever snapping in a tip-over. The body is billet aluminum with an anodized surface finish.

Specs

Manufacturer Part #	110A26310
Piston Size	19mm
Bar Size	7/8″
Lever Type	Folding, standard length
Disc Application	Double (two-disc front setups)
Brake Switch	Included
Banjo Bolt	Double-hole, included
Material	Billet aluminum
Finish	Anodized

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