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Motorcycle Parts UK

HEL Billet Brake & Clutch Master Cylinders

HEL 16mm or 19mm Billet Radial Brake Master Cylinder
[+] CLICK HERE FOR MORE IMAGES...

HEL 16mm or 19mm Billet Radial Brake Master Cylinder

Ref: HELMSTRCYL

Fully CNC Machined Billet Master Cylinders from HEL Performance

Each master cylinder is CNC machined from solid billets of 6082-T6 aluminium, individually finished and assembled by hand and come with the latest design which allows three leverage ratios from one lever. Providing you with the ultimate adjustability in brake lever feel, modulation for smooth and controllable stopping power.

The lever features a lozenge shaped hole into which one of two plugs are inserted, One has an offset hole – with the hole nearest the master cylinder you get a -1 ratio. If you rotate the plug 180 degrees it offers you a +1 ratio and if you use the plug with a central hole you obtain a 1:1 ratio.

This means that with a 16mm piston master cylinder you can obtain a 15/16, 16/16 and 17/16 from one lever and two inserts.

With the 19mm piston master cylinder you can obtain an 18/19, 19/19 and a 20/19 from one lever and two inserts.

Lever Ratios
16 – Single front brake caliper
18 – More lever travel and 'feel' on twin caliper systems (larger CC models)
19 – Average lever travel but firmer feel – a good all rounder
20 – Less lever travel and the 'firmest feel' on the lever



  • Available with standard or folding lever
  • Bleed nipple and banjo bolt/fluid outlet thread: M10 x 1.0mm
  • Includes Single & Double Banjo Bolt (without brake light switch)
  • Available in Black or Grey finish
  • Optional compatible Brembo reservoir can also be added below




Please select the type and size required...



Please select the type of lever required...

Please select a colour for your Master Cylinder

Add Single Banjo Bolt - Road with Brake Light Switch £35.94
Add Double Banjo Bolt - Road Type with Brake Light Switch £39.54
Add a compatible Brembo Clear Reservoir Kit £52.37

Price:£199.17 (£239.00 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL 16mm or 19mm Billet Radial Clutch Master Cylinder
[+] CLICK HERE FOR MORE IMAGES...

HEL 16mm or 19mm Billet Radial Clutch Master Cylinder

Ref: HELRADCL

Fully CNC Machined Billet Master Cylinders from HEL Performance

Each master cylinder is CNC machined from solid billets of 6082-T6 aluminium, individually finished and assembled by hand and come with the latest design which allows three leverage ratios from one lever.

The lever features a lozenge shaped hole into which one of two plugs are inserted. One has an offset hole – with the hole nearest the master cylinder you get a -1 ratio. If you rotate the plug 180 degrees it offers you a +1 ratio and if you use the plug with a central hole you obtain a 1:1 ratio. This means that with this 16mm piston master cylinder you can obtain a 15/16, 16/16 and 17/16 from one lever and two inserts.

With the 19mm piston master cylinder you can obtain an 18/19, 19/19 and a 20/19 from one lever and two inserts.

This is particularly valuable as it enables you to alter the progressiveness/feel and bite-point of your clutch.

  • Available with standard or folding lever
  • Bleed nipple and banjo bolt/fluid outlet thread: M10 x 1.0mm
  • Includes Banjo Bolt
  • Available in Black or Grey finish
  • Optional compatible Brembo reservoir can also be added below

Most bikes require the 16 mm version, but below are some examples of larger capacity models (i.e., those which have a bigger clutch slave cylinder) which require the 19 mm master cylinder in order to send sufficient fluid to ensure complete clutch disengagement/avoid dragging...

Honda CB1300
Suzuki GSF1200/1250 Bandit
Suzuki GSX-R1000
Suzuki GSX-R1100
Suzuki GSX1300R Hayabusa
Suzuki GSX1400
Yamaha XJR1200 & XJR1300



Please select the type and size required...



Please select the type of lever required...

Please select a colour for your Master Cylinder

Add a compatible Brembo Clear Reservoir Kit £42.54
Add a compatible Brembo Tinted Reservoir Kit £42.54

Price:£199.17 (£239.00 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL Billet Cable Clutch Perch
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HEL Billet Cable Clutch Perch

Ref: HELCLPRCH


Machined from solid aluminium billet - in a style to match the HEL Performance master cylinders - and incorporating an electrical switch to enable wiring into your bike’s harness for clutch / starter interlocking, where required.

Available with a standard or folding lever in black with the body finished in a choice of Black or Dark Grey.



Please select the type of lever required...

Please select a colour for your Clutch Perch

Price:£149.17 (£179.00 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL 13mm Rear Master Cylinder Single Port
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HEL 13mm Rear Master Cylinder Single Port

Ref: HRMC


Fully CNC machined from solid billet aluminium, the HEL rear master cylinder has been designed in a square format to sit and blend effortlessly behind the heel plate on all models.

  • 13mm bore/piston diameter
  • M10 x 1.0mm banjo bolt fluid outlet fine thread port
  • 39 to 49mm bolt pitch/distance slotted mounting holes to provide wider mounting bracket compatibility
  • Finished in either black or hard anodised grey
  • Uses your bike's original fluid reservoir
  • Includes remote rod end clevis, banjo bolt and copper crush washers


Please select a colour for your HEL Rear Master Cylinder

Price:£165.81 (£198.97 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL 13mm Rear Master Cylinder Twin Port
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HEL 13mm Rear Master Cylinder Twin Port

Ref: HRMC-DP


This master cylinder replaces the single line reservoir on a conventional rear system with a twin input and output line system for the addition of, for example, a thumb brake.

The input line hose (for example from a thumb brake to the rear master cylinder) acts as the output hose's reservoir and vice versa, enabling either braking method to be employed (i.e. thumb or foot) as required.

Includes a M10 x 1.00 (output) and M12 x 1.00 (input) banjo bolts and copper crush washers to allow you to connect both foot control and hand control to the rear caliper.

Fully CNC machined from solid billet aluminium, the HEL rear master cylinder has been designed in a square format to sit and blend effortlessly behind the heel plate on all models.

  • 13mm bore/piston diameter
  • M10 x 1.0mm & M12 x 1.0mm banjo bolt fluid outlet/inlet fine thread ports
  • 39 to 49mm bolt pitch/distance slotted mounting holes to provide wider mounting bracket compatibility
  • Finished in either black or hard anodised grey
  • Includes remote rod end clevis, banjo bolts and copper crush washers


Please select a colour for your HEL Rear Master Cylinder

Price:£165.81 (£198.97 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL 45ml Remote Brake Master Cylinder Reservoir Kit (for Twin Front Brake Calipers)
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HEL 45ml Remote Brake Master Cylinder Reservoir Kit (for Twin Front Brake Calipers)

Ref: 69374

Very neat and high-quality universal replacement clutch master cylinder reservoir. Suitable for HEL Brake & Clutch Master Cylinders.

  • Designed for HEL Radial Master Cylinders but will also install on many other makes of master cylinder with little or no modification
  • Durable cap
  • Includes universal mounting bracket for use with HEL Master Cylinders, connecting hose and pipe clips

Please note: Contents of kit may vary in appearance - but functionality will remain unaffected.

Price:£20.78 (£24.94 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




HEL 15ml Remote Master Cylinder Reservoir Kit (for Clutch, Rear or Single Brake Calipers)
[+] CLICK HERE FOR A LARGER IMAGE...

HEL 15ml Remote Master Cylinder Reservoir Kit (for Clutch, Rear or Single Brake Calipers)

Ref: 69373

Very neat and high-quality universal replacement clutch master cylinder reservoir. Suitable for HEL Brake & Clutch Master Cylinders.

  • Designed for HEL Radial Master Cylinders but will also install on many other makes of master cylinder with little or no modification
  • Durable cap
  • Includes universal mounting bracket for use with HEL Master Cylinders, connecting hose and pipe clips

Please note: Contents of kit may vary in appearance - but functionality will remain unaffected.

Price:£20.62 (£24.74 Including UK VAT at 20%)





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)