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Colombo Design Esprit BT11 R/RY – Slim Square Rose Door Lever | Birgit Lohmann
Colombo Design Esprit BT11 R/RY interior door lever designed by Birgit Lohmann. Made of brass, with a straight grip, gently softened edges and a slim 50 × 50 mm square rose, 6.5 mm thick. Lever length 142 mm and projection 64 mm. Patent keyhole or Euro-profile cylinder escutcheon configurations. Offered in Zirconium Stainless-Steel HPS/1, Polished Chrome and Matt Chrome. Made in Italy.
TRUSTED EXPERIENCE SINCE 1913Over 100 years of experience in hardware, tools and technical products.
PHYSICAL STORE & CUSTOMER SUPPORTWe also have a physical store in La Loggia (Turin): real people ready to help before and after your
ORDERS PREPARED WITH CAREWe prepare every order with care
Description
Colombo Design Esprit BT11 – Slim Square Rose Door Lever
The Colombo Design Esprit BT11, designed by Birgit Lohmann, is a brass interior door lever featuring a slim 50 × 50 mm square rose, 6.5 mm thick. Its clean, linear grip combines elegance with practical functionality, creating a refined yet discreet detail for contemporary interiors.
Design and Six Millimeters Concept
Esprit is characterised by a straight profile and harmonious proportions. The geometric grip features subtly softened edges and a defined transition towards the square rose, creating a restrained, balanced composition.
According to Colombo Design, its linear form brings together elegance and functionality. The Six Millimeters Concept, with its low-profile mounting rose, reduces the visual bulk of the hardware on the door.
The BT11 R and BT11 RY versions operate compatible interior door locks and differ in their escutcheon configuration: Patent keyhole or Euro-profile cylinder.
Technical specifications
| Manufacturer | Colombo Design |
|---|---|
| Collection / model | Contemporary – Esprit |
| Designer | Birgit Lohmann |
| Official codes | BT11 R / BT11 RY |
| Product type | Interior door lever on slim square rose |
| Material | Brass |
| System | Six Millimeters Concept |
| Lever length shown in drawing | 142 mm |
| Projection shown in drawing | 64 mm |
| Rose dimensions | 50 × 50 mm |
| Rose thickness | 6.5 mm |
| Escutcheon configurations | Patent keyhole (R) / Euro-profile cylinder (RY) |
| Finishes | HPS/1, CR, CM |
| Origin | Made in Italy |
Finishes and coordinated hardware
The Esprit BT11 is offered in Zirconium Stainless-Steel (HPS/1), Polished Chrome (CR) and Matt Chrome (CM). These finishes emphasise the grip's linear profile and geometric mounting base.
Coordinated fittings include the BT19 BZG bathroom privacy turn set and the BT12 DK/SM tilt-and-turn window handle, each available in its respective catalogue finishes.
Ordering information
Select the finish and Patent keyhole or Euro-profile cylinder escutcheon according to the installed lock. Check door preparation and compatibility with the slim-rose mounting system before ordering. Contact Matteoda customer service for technical assistance and estimated lead times.
Product Details
085.0BT11R-RY
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Colombo Design Esprit BT11 R/RY interior door lever designed by Birgit Lohmann. Made of brass, with a straight grip, gently softened edges and a slim 50 × 50 mm square rose, 6.5 mm thick. Lever length 142 mm and projection 64 mm. Patent keyhole or Euro-profile cylinder escutcheon configurations. Offered in Zirconium Stainless-Steel HPS/1, Polished Chrome and Matt Chrome. Made in Italy.