
(Dark Edition RD Series)
Enjoy the Forged Texture - Dark Edition
Focused on the perfection of the forged shape (beauty of surfaces and texture), finished with black hard anodizing after shot peening in a matte black design.
A pure racing master cylinder that simply pursues performance.
Lineup
| Manufacturing Method | Forged | |
| Material | Aluminum | |
| Handle Compatibility | Φ22.2 | |
| Cylinder Diameter | Brake | Φ14/Φ16/Φ17.5/Φ19 |
| Left Brake | Φ14 | |
| Clutch | Φ16/Φ17.5/Φ19 | |
| Lever Size ▼ | Standard/Short | |
| Lever Type ▼ | Brake | Power Lever |
| Clutch | Straight Lever | |
| Banjo Bolt | P1.00 | |
| Mount | Radial | |
| Color | Black Anodized | |
| Clamp ▼ | 2-Point Mount Standard/Tank Stay/Mirror Holder/Reverse Thread Mirror Holder (Brake Only) |
|
| Ratio | Φ14 | 17mm |
| Φ16 | 17mm | |
| Φ17.5 | 17mm | |
| Φ19 | 17 (Brake Only)/19mm | |
Dimension
Lever Type & Size
The brake side is equipped with a "Power Lever" for easier finger force, while the clutch side uses a standard lever that does not interfere with the grip even when fully pulled.
*The photo shows the VRC Master Cylinder
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Clutch: Straight Lever
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Brake: Power Lever
Clamp |
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| Standard |
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| Tank Stay (M6×P1.0) |
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| Mirror Holder (M10×P1.25) |
Features
Radial Piston |
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| Unlike axial pistons that push sideways, the lever presses the piston vertically, minimizing force loss and enabling precise control. |
Two Lever Sizes |
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| Available in standard and short sizes to fit the rider's hand and provide natural operation. |
Foldable Lever |
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| The lever folds on impact to reduce damage to the master body (repair tips available). |
2-Point Clamp Mount |
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| Strong clamping force with two mounting bolts. (Compatible handle diameter: Φ22.2) |
Overhaul Service |
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| In-house production allows detailed overhaul service (on consignment). |
| Details Here |









































