ABUS 485, good old key retaining dutch frame lock that takes a chain too.. with teh benifit of taking a wider tyre , entry gap is 60mm , tyre clearance 80mm (ish)

Frame Lock 4850 LH-2 KR OEM (Art. no. 46533)

• Good protection at medium theft risk

• Recommended for securing good bicycles

• Specially optimised frame lock for use with balloon tyres