After-sale service

Spare keys

Click on the following link: www.clé


Insert your code
- 5-digit Blocky code (Digit – Digit – Digit – Digit - Digit)
- 4-character Fastenbloc Code (Digit – Letter – Digit - Letter)

Insert your name and address

Complete the payment process.

If you have successfully completed all of the previous steps, a spare key will be delivered to you within 2 days at the address that you indicated.

Warranty and replacement of defective parts

Any defective parts must be returned to the following address along with the receipt of purchase:

Société des Forges de Froncles SAS
Service analyse garantie
15 rue du 1er mai
52320 Froncles

The warranty is valid for 2 years.

The received defective parts shall be examined in-depth.

If it turns out that the parts were used in normal conditions of use (and that, for example, impact wrenches were not used, torque tightening, etc.) and the defect is confirmed, a new kit will be sent to you free of charge.

Liability clause

Only the warranty described in the preceding paragraph shall be applicable.

The manufacturer is not bound by any other guarantee.

Corrosion and/or discolouration to the covers of our products caused by inappropriate use, weather stress or chemical products (rim cleaner) are not covered by the warranty.

The warranty does not cover parts damaged, worn, altered, inappropriately used, badly fitted or forcibly disassembled.


Limit of liability


The liability of Société des Forges de Froncles SAS is confined exclusively to the replacement of parts under the conditions set out in the preceding paragraph.


In no circumstances shall Société des Forges de Froncles SAS bear responsibility for damage caused following the use of the products.


The present warranty expressly replaces all other explicity or implicit guarantees.


Société des Forges de Froncles SAS bears no responsibility for the correct application of the instructions included in this leaflet. The recommended use is understood to have an indicative value only. Société des Forges de Froncles SAS cannot be held responsible for inappropriate or incorrect applications. Accordingly, we recommend that users check before purchase the thread, total length, the length under head and the shape of mounting bases (spherical, conical, flat) of the original screw or nuts.


Wheel covers may prevent fitting of the anti-theft screws (or nuts). Société des Forges de Froncles cannot be held responsible for assembly problems caused by wheel covers or bug caps.


Société des Forges de Froncles SAS reserves the right to change the specifications and design without notice.


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