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Guide
Bike locks
Choose a lock for the parking location, bicycle and anchor point. A fixed object and sufficient usable length matter as much as the lock construction.
Key points
- Lock the frame to a suitable fixed object.
- Compare security ratings within the same manufacturer.
- Frame locks and accessory locks serve different roles from anchor locks.
Which design suits your use?
| Use | Design | What matters |
|---|---|---|
| Flexible anchoring | DesignChain lock | What mattersA chain can wrap around suitable fixed objects. Check usable length, weight and paint protection. |
| Compact carrying | DesignFolding lock | What mattersJointed sections fold for transport. Check whether the unfolded length reaches your usual anchor. |
| Mounted on the bike | DesignFrame lock | What mattersA frame lock blocks a wheel but alone does not connect the bike to a fixed object. Check suitable additions. |
| Secure accessories | DesignAdditional locking | What mattersLocks for racks, bags and accessories have specific roles. They do not automatically replace a bicycle lock. |
Designs compared
Chain lock
A chain can wrap around suitable fixed objects. Check usable length, weight and paint protection.
- Advantage: Flexible routing around an anchor
- Drawback: Check weight and usable length
Folding lock
Jointed sections fold for transport. Check whether the unfolded length reaches your usual anchor.
- Advantage: Compact when folded
- Drawback: Joints limit routing freedom
What to check before buying
| Question | In brief | Why |
|---|---|---|
| Where will you park? | In briefConsider the setting | WhyDuration, visibility and bicycle value affect the choice. A maker rating is not a theft guarantee. |
| How long? | In briefCheck the anchor point | WhyNominal length and usable space differ between constructions. |
| How to carry it? | In briefCheck the mount | WhyLock and holder need a secure position clear of moving parts. |
Frequently asked questions
Is a frame lock enough on its own?
It blocks a wheel but does not prevent carrying the bicycle away. To anchor the bike you need a suitable additional system. Follow the manufacturer compatibility guidance.
Can I compare security ratings?
Not directly across every brand. Manufacturers use different scales. Compare within a brand and check any specific insurance requirements.
What length do I need?
It depends on the frame, construction and anchor object. Check usable length at your normal parking place. A lock that cannot reach the anchor cannot do that job there.
What matters when locking up?
Connect the frame to a suitable fixed object and follow the instructions. Add protection for easily removable parts where needed. No lock makes a bicycle completely theft-proof.
Last updated: October 2026
What matters to you?
Flexible anchoring
Chain lock. A chain can wrap around suitable fixed objects. Check usable length, weight and paint protection.
- Chain lock
- Consider the setting
- Check the anchor point
Compact carrying
Folding lock. Jointed sections fold for transport. Check whether the unfolded length reaches your usual anchor.
- Folding lock
- Check the anchor point
- Check the mount
Mounted on the bike
Frame lock. A frame lock blocks a wheel but alone does not connect the bike to a fixed object. Check suitable additions.
- Frame lock
- Check the mount
- Consider the setting
Secure accessories
Additional locking. Locks for racks, bags and accessories have specific roles. They do not automatically replace a bicycle lock.
- Additional locking
- Consider the setting
- Check the anchor point
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