Description
Looking for the ultimate ringlock with larger inner diameter for demanding cyclists? The Trelock RS561 from 2025 offers top protection with ART2 approval and the highest security level of 15/18. With an inner diameter of 72mm, this lock is suitable for wider frames and modern e-bikes. The robust 8.5mm square steel bracket provides extreme resistance to concrete shear and saw cuts. In the event of manipulation, a special rotating mechanism ensures that the bracket locks itself within the lock housing. The fully welded steel shell eliminates all lateral access points. The highly secure cylinder with asymmetric serrations makes unauthorized opening virtually impossible. Fully compatible with Trelock plug-in chain system. With 740 grams of maximum security for wider frames.
Why choose the Trelock RS561?
• 72mm inner diameter for wider frames -The RS561 has a larger inner diameter of 72mm, specially designed for modern e-bikes and bikes with wider frames. No hassle with fitting, while you benefit from the highest level of security 15/18.
• Self-locking turn -mechanism – The 8.5mm square bracket with a special rotating mechanism locks itself when manipulated within the fully welded steel shell. This crucial detail, without lateral access points, makes the difference when it matters.
• High-security cylinder with plug -in system – The asymmetric serrations, protected recesses and improved coding technology make unauthorized opening virtually impossible. Fully compatible with the Trelock plug-in chain system for easy and efficient additional security on fixed objects.
