Best Bike Chain Locks Under $100 (2026)
We scored models by link thickness/material, lock cylinder quality, chain length and weight, accessory inclusion (keys/sleeve), and overall value under $100
The Verdict
- Best Overall: Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft — Best for compact security: short 2.8 ft chain with heavy-duty links that balance portability and theft resistance
- Best Value: Scooter lock with chain, anti-theft for e-scooters and bikes — Best for scooter owners: long anti-theft chain designed to secure e-scooters and bikes with flexible coverage
Top Picks
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1
Best Overall Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft
Best for compact security: short 2.8 ft chain with heavy-duty links that balance portability and theft resistance
Heavy-duty 7mm manganese steel bike chain with four-sided links and a high-security disc-style cylinder. Customers note strong build and resistance to brute force, with some difficulty locking/unlocking at times
- 7mm manganese steel chain
- patented locking system
- disc-style cylinder
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2
Kryptonite Keeper 785 Bike Chain Lock
Best for extended reach: 8 ft hardened-steel chain that secures larger objects and multiple wheels with durable links
Heavy-duty 7 mm hardened steel chain lock with a disc-style locking cylinder for security. Customers note solid build and bike protection, though some find locking/unlocking tedious
- 7 mm hardened steel chain
- patented end link design
- disc-style high-security cylinder
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3
IMAYCC 4-digit scooter lock with 3 keys, heavy-duty chain lock
Best for keyless convenience: four-digit combination with a heavy-duty chain that avoids carrying spare keys
4-digit combination scooter lock with 3 keys for secure bikes, scooters, and motorcycles. Easy to set personalized codes and retrieve original password with key. Customers note its heavy-duty build and strong security against tampering
- 4-digit resettable combination
- anti-theft cylinder and alloy chain
- 3 backup keys included
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4
Best Value Scooter lock with chain, anti-theft for e-scooters and bikes
Best for scooter owners: long anti-theft chain designed to secure e-scooters and bikes with flexible coverage
Durable alloy scooter lock with a 94cm length and 7mm chain for secure locking of e-scooters and bikes. Easy to use for quick locking/unlocking, with positive build quality noted by users
- Alloy steel & anti-theft cylinder
- Long 94cm total length with 61cm chain
- 7mm chain diameter with rubber cover
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5
ABUS Hardened Steel Square Link Security Chain 1/2in thick 2 ft
Best for high-cut resistance: 1/2in hardened square-link chain built for robust protection in compact length
Hardened steel security chain with squared links for bikes and property protection. Anti-corrosion coating for outdoor use and high cut resistance. Customers note strong security and heavy heft, with mixed opinions on length
- squared links resist gripping tools
- high cut resistance of hardened steel
- outdoor-friendly anti-corrosion coating
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6
Electric scooter lock with 8mm chain, 3 keys
Best lightweight option: 8mm chain with three keys offering a portable balance of convenience and security
Anti-theft chain lock for electric scooters with 8mm thick steel chain and 360-degree rotating lock. Customers note solid build and ease of use, but some report clasp freezing and length limitations
- 8mm thick steel chain
- 3 keys included
- 360-degree rotating lock
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7
Electric scooter lock with 8mm chain, 3 keys, heavy-duty anti-theft
Best replaceable-key setup: 8mm chain with multiple keys for shared or backup access without added bulk
Robust 8mm chain scooter lock with 3 keys and 360° rotating locking ring for versatile protection. Customers praise its quality and security, though some note the length can be short
- 8mm thick chain
- 360-degree rotation
- 3 keys included
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8
Scooter Lock with Key, anti-theft security for e-scooters and bicycles
Best budget anti-theft: key-operated scooter lock designed for everyday use on bikes and electric scooters
Anti-theft scooter lock with handcuff-like design for bicycles, electric scooters, and motorcycles. Provides high security and ease of use, though some note heavier weight and durability concerns with accessory straps
- handcuff-style security
- multi-vehicle compatibility
- keyed access
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9
ABUS Hardened Steel Security Chain (8KS, 6 ft, 5/16 in) for Bikes & Gear
Best for gear protection: 6 ft hardened square-link chain made to secure bikes and additional equipment
hardened steel security chain with anti-corrosion coating and square links for improved tool resistance; includes a nylon sleeve to prevent paint damage. customers note solid build and long length, good value for money
- hardened steel with anti-corrosion coating
- square links for enhanced security
- nylon sleeve to prevent damage
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10
AKM 3ft Heavy Duty Bike Chain Lock with 12mm Links
Best heavy-link compactness: 12mm links in a 3 ft chain that maximizes cut resistance while remaining carryable
Durable 3T manganese steel chain lock with 12mm hex links and anti-theft cylinder. Rotating switch protects against intrusions; non-toxic PVC sleeve adds safety. Customers note sturdy build and security features, with some concerns about weight and occasional key issues
- 12mm thick hex links
- anti-theft cylinder with rotating switch
- durable 3T manganese steel