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GERDA SLR modular lock cylinder makes it easy to install a tedee smart lock on your door. Modular construction ensures a full range of size adjustments.

This cylinder allows for obtaining 30-61mm internal length, while the outer side (key side) measures a permanent 30mm. An online video tutorial makes it easy to measure and customize the cylinder to your door.


GERDA SLR modular lock cylinder is attested with safety class 6 according to norm PN-EN 1303:2015-07.


This product is a lock cylinder with a cam mechanism – gear mechanism also available.

The table contains all length adjustments available with this product. If it doesn't include the size desired, check other GERDA SLR modular cylinders for more length combinations.

Gerda SLR Modular Cylinder 30-61mm

SKU: 5902203333082
Sales Tax Included
  • SIZE A (internal side):

    30mm (excluding modules)

    36mm (1 x 6mm)

    40mm (1 x 10mm)

    45mm (1 x 15mm)

    46mm (1 x 6mm + 1 x 10mm)

    51mm (1 x 6mm + 1 x 15mm)

    55mm (1 x 10mm + 1 x 15mm)

    61mm (1 x 6mm + 1 x 10mm + 1 x 15mm)


    SIZE B (external side):

    30mm (excluding modules)

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