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Solid Billet Adjustable Master Cylinder Hel Performance 19mm
Reference HMC-19mm
HEL PERFORMANCE master cylinders, fully CNC-machined – in 19mm, for more bite to improve braking power and longevity.
Equipped with a pivoting lever, you can adjust the braking ratio (-1; 1/1; +1).
Available in black or aluminum.
HEL PERFORMANCE master cylinders fully CNC-machined – 19mm, for more bite to improve braking power and longevity.
Technical specifications of the Hel Performance 19mm brake master cylinder
The lever features a pill-shaped hole into which one of two inserts is fitted. One insert has an offset hole – with the hole closest to the master cylinder, you get a -1 ratio. If you rotate the insert 180 degrees, you get a +1 ratio, and if you use the insert with the central hole, you get a 1:1 ratio.
This means that with a 19mm master cylinder, you can achieve ratios of 18/19, 19/19, and 20/19 using one lever and one insert.
In our store, you’ll also find the Hel Performance 16mm brake master cylinder. With the 16mm version, you can achieve 15/16, 16/16, and 17/16 using one lever and one insert.
Both master cylinder sizes allow you to choose the desired braking bite, and their three ratios let you adjust your braking effort* to +1, -1, or 1:1, identical to the original.
*Braking effort corresponds to the finger travel on the lever needed to achieve the same braking effect.
Lever ratios
16 – For clutch or single front brake master cylinders (small CC models)
18 – More lever travel and feel for dual caliper systems (larger CC models)
19 – Medium lever travel with a firmer feel – a good compromise
20 – Shorter lever travel and the firmest lever feel
Manufacturing of the Hel Performance 19mm brake master cylinder
Hel Performance manufactures all metal components of the master cylinder (including levers) in-house on Brother and Star CNC machines from solid 6082-T6 aluminum billets.
Each master cylinder body takes one hour of machining to remove material to our strict standards, with the bore automatically measured during the cycle. Every master cylinder is hand-finished and individually assembled, supplied with the latest lever model that allows three ratios from a single lever.
HEL Performance master cylinders include a fully CNC-machined black lever offering three ratios in one.
All parts for the master cylinders are available for separate purchase – contact us for any special requests.
This product is universal
| Reference | HMC-19mm |
| Manufacturer | HEL Performance |
| Range | Aluminium |
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