Colombo Design Dea FF21 RSB/0 – Zero Evolution Door Lever Handle
The Colombo Design Dea FF21 RSB/0, designed by Pio & Tito Toso lab, is a pair of brass interior door levers featuring the Zero Evolution system. Its straight grip and geometric transition meet a minimal square rose, creating a clean and discreet architectural appearance.
Design and Zero Evolution system
Dea expresses minimalism through sharp lines, regular surfaces and balanced proportions. The elongated lever extends from a squared transition, giving the design a distinctive character without unnecessary decoration.
The FF21 RSB/0 uses the Zero Evolution system, featuring a minimal mounting base with less visual bulk than a conventional rose. The system incorporates a return spring and is intended to operate compatible interior door locks.
Technical specifications
| Manufacturer | Colombo Design |
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| Collection / model | Contemporary – Dea |
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| Designer | Pio e Tito Toso lab |
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| Official code | FF21 RSB/0 |
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| Product type | Pair of interior door lever handles |
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| Material | Brass |
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| System | Zero Evolution, minimal square rose |
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| Lever length shown in drawing | 125 mm |
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| Projection shown in drawing | 55.5 mm |
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| Vertical dimension shown | 33.5 mm |
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| Lever return | Zero Evolution return spring |
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| Finishes | CR, CM |
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| Lock escutcheons | Not included; sold separately |
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Finishes and coordinated accessories
The Dea FF21 RSB/0 is offered in Polished Chrome (CR) and Matt Chrome (CM).
Coordinated Zero Evolution accessories include the ZE23 BB/0 Patent keyhole escutcheons, ZE23 Y/0 Euro-profile cylinder escutcheons and the ZE29 BZG/0 bathroom privacy turn set. These fittings are selected separately according to the door lock configuration.
Important – Escutcheons not includedThe FF21 RSB/0 configuration consists of a pair of Zero Evolution door levers without lock escutcheons. Check door preparation and mounting requirements before ordering. Contact Matteoda customer service for compatible accessories and estimated lead times.
