In the modern Trelock frame lock series PROTECT-O-CONNECT the RS 453 PROTECT-O-CONNECT with the Trelock Security Level 4 is now also available. This means high safety for the bike. It is equipped with the Trelock IN-X inner track cylinder and child lock. With its approx. 650 g, the frame lock is very light and impresses with its elegant, compact design. The Trelock RS 453 comes in the version for standard tyres. Optionally can be combined with the Trelock additional chains and cables. IN-XReversible key with high scanning safetySecurity level 4 - Security against professional crackers Locking system: key lock Key: reversible key Weight: 650 g Theft protection: basic safety details: - Child lock - Corrosion protection - Key service - Includes Vario lugs ZR 20 (Ø 13 - 22.5 mm) - Removable key - Version for balloon tyres type: frame lock lock cylinder:IN-ccX Inner Track Cylinder Security Level: 4 Bracket: Mounting options to the frame.