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Bike locks deter theft; heavier locks protect more.
This guide is built from Amazon product listings and maker specs, not our own testing, so confirm size, contents and current price on each product page.
Prices are approximate and were shown on Amazon.com on November 2, 2026; check the current price.
Last updated: November 2, 2026.
Quick Picks
| Product | Type | Best for |
|---|---|---|
| Master Lock Bike Cable Lock 4’x 5/16″ 4-Digit Combination | Bike lock | bike security |
| Bike Chain Lock Heavy Duty Anti-Theft Bicycle Chain Lock 2.72 Ft | Bike lock | bike security |
| Master Lock Bike Cable Lock 6’x 1/2″ 4-Digit Combination | Bike lock | bike security |
| KOHLBURG Security Combination Folding Bike Lock [Bolt Cutter | Bike lock | bike security |
| KOHLBURG Heavy Duty Combination Bike Lock [Sold Secure Gold] 43″ | Bike lock | bike security |
| KOHLBURG Security Chain Bike Lock Heavy Duty [Sold Secure Gold] | Bike lock | bike security |
| Heavy Duty Motorcycle Chain Lock 3ft 10mm Thick Cut Resistant | Bike lock | bike security |
Our Picks
1. Master Lock Bike Cable Lock 4’x 5/16″ 4-Digit Combination
A Master Lock Bike Cable Lock 4’x 5/16″ 4-Digit Combination (bike lock), per the listing. It showed at about $9 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
2. Bike Chain Lock Heavy Duty Anti-Theft Bicycle Chain Lock 2.72 Ft
A Bike Chain Lock Heavy Duty Anti-Theft Bicycle Chain Lock 2.72 Ft (bike lock), per the listing. It showed at about $9 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
3. Master Lock Bike Cable Lock 6’x 1/2″ 4-Digit Combination
A Master Lock Bike Cable Lock 6’x 1/2″ 4-Digit Combination (bike lock), per the listing. It showed at about $13 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
4. KOHLBURG Security Combination Folding Bike Lock [Bolt Cutter
A KOHLBURG Security Combination Folding Bike Lock [Bolt Cutter (bike lock), per the listing. It showed at about $99 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
5. KOHLBURG Heavy Duty Combination Bike Lock [Sold Secure Gold] 43″
A KOHLBURG Heavy Duty Combination Bike Lock [Sold Secure Gold] 43″ (bike lock), per the listing. It showed at about $99 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
6. KOHLBURG Security Chain Bike Lock Heavy Duty [Sold Secure Gold]
A KOHLBURG Security Chain Bike Lock Heavy Duty [Sold Secure Gold] (bike lock), per the listing. It showed at about $80 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
7. Heavy Duty Motorcycle Chain Lock 3ft 10mm Thick Cut Resistant
A Heavy Duty Motorcycle Chain Lock 3ft 10mm Thick Cut Resistant (bike lock), per the listing. It showed at about $35 on Amazon.com on November 2, 2026.
Good for: bike security. Watch out: Check security level.
How to Choose
Rating
Check amps, size or power ratings.
Build
Heavier materials last longer.
Safety
Use protective gear and follow instructions.
Frequently Asked Questions
Is it right for beginners?
Check the features and manual.
Do I need extras?
Often protective gear or accessories.
How do I store it?
Dry and covered.
Bottom Line
Chain and U-locks resist cutting better than cables.
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