Bike chain locks combine flexible reach with security options for everyday parking and home storage. They can wrap around larger posts, awkward anchor points or more than one bike, with designs ranging from portable chains to heavy-duty setups intended to remain in one place.
Why Choose a Bike Chain Lock?
Unlike a rigid D-lock, a chain can adapt to a wider variety of locking points. Hardened links and a secure locking mechanism can provide high resistance, while a protective sleeve helps reduce contact with the bike's paintwork. Stronger chains are usually heavier, so decide whether you need a lock to carry on every ride or one that can stay at home, work or a regular parking location.
What to Look for in a Bike Chain Lock
- Security rating: Match the exact chain-and-lock combination's Sold Secure rating to the bike's value, location and any insurance requirements.
- Link construction: Link material, shape and thickness affect resistance, but the complete product's independent rating is the best comparison.
- Length and weight: A longer chain provides greater reach but adds weight. Check that it suits both your usual anchor points and carrying method.
- Locking mechanism: Compare integrated locks with separate padlocks and confirm that every component is appropriate for the security level you need.
For home security, combine a suitably rated chain with a correctly installed ground anchor. If you want a chain designed to be carried on the body, explore our wearable options or read the Bike Lock Buyer's Guide.