Chain locks by ABUS are an excellent choice when it comes to securing your bike since they offer many ways of locking your bike to a fixed object.
Steel-O-Chain™ 9808K/85 black
Steel-O-Chain™ 9809K/85 black
Lock-Chain Combination CityChain 6800
Lock-Chain Combination CityChain 8800/95 black
Lock-Chain Combination 8808C/110 black
Lock-Chain Combination 6210
Lock-Chain Combination 6806K/85 Neon blue
Steel-O-Chain™ Iven 8210
GRANIT CityChain XPlus™ 1060
Lock-Chain Combination 1500
SXP Bike Combination Chain Lock 4ft Five Oceans Fo-3958 for sale online
High Security Bike Chain Lock 4 Digital Password Resettable Combination Coiling Durable Tough Lock Anti-theft Equipment - AliExpress
Abus Steel-o-chain Xplus 9808k Reduced Rare
Product Review: Prevent bike theft with these locks (and bits of advice) – BikePortland
Chain Locks For Bikes Tough Security ABUS, 56% OFF
Kettenschlösser Für Fahrräder Robuste Sicherheit
Kettenschlösser Für Fahrräder Robuste Sicherheit
Laka Bike Hacks: How to Lock Your Bike
Chain Locks For Bikes Tough Security ABUS, 56% OFF
Chain Locks for Bikes, Tough Security
KOHLBURG 18 lbs Massive Motorcycle Security Chain Lock - 7 ft Long with Our Highest German Security Level 10Plus of 10 - Heavy Duty Steel Chain 0.5