Based on this product's specifications, here are some alternatives and similar models
Bicycle lock GERDA CONTRA chain lock 900 x 6 mm, hardened steel chain with protective sleeve
Summary description:
GERDA CONTRA is a bicycle chain lock with dimensions 900 x 6 mm designed for securing bikes and scooters. It features a hardened steel chain and an outer protective sleeve to prevent scratches and reduce corrosion. Suitable for everyday urban use, it provides physical theft deterrence for parking at racks, stands, or poles.