Best Bike Chain Locks (2026 Guide)

• 10 products compared from 6 brands • avg ItemOracle score 4.1/5

We selected locks by aggregated customer rating and review volume, prioritizing hardened-steel construction, link dimensions, lock type, and brand reputation

The Verdict

This roundup covers top-rated bike chain locks chosen for security-minded cyclists and e-scooter users, highlighting durable materials, link size, and locking type. Picks were selected by aggregated customer ratings and review volume to surface widely used and well-reviewed chain locks

Top Picks

  1. 1
    Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft

    Best Overall Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft

    Kryptonite • ★ 4.3/5 • Mid-Range

    Good urban choice: compact 2.8 ft chain with a robust build for everyday bike security

    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
    Check current price on Amazon →
  2. 2
    Kryptonite Keeper 785 Bike Chain Lock

    Kryptonite Keeper 785 Bike Chain Lock

    Kryptonite • ★ 4.2/5 • Mid-Range

    Best for longer routes: 8 ft hardened-steel chain for flexible secure anchoring to larger objects

    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
    Check current price on Amazon →
  3. 3
    IMAYCC 4-digit scooter lock with 3 keys, heavy-duty chain lock

    IMAYCC 4-digit scooter lock with 3 keys, heavy-duty chain lock

    IMAYCC • ★ 4.1/5 • Mid-Range

    Practical scooter option: 4-digit combination and included keys offer keyless use with a backup

    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
    Buy at Amazon →
  4. 4
    Scooter lock with chain, anti-theft for e-scooters and bikes

    Best Value Scooter lock with chain, anti-theft for e-scooters and bikes

    IMAYCC • ★ 4.1/5 • Budget

    Versatile anti-theft pick: long chain built for both e-scooters and bicycles for adaptable locking

    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
    Buy at Amazon →
  5. 5
    ABUS Hardened Steel Square Link Security Chain 1/2in thick 2 ft

    ABUS Hardened Steel Square Link Security Chain 1/2in thick 2 ft

    ABUS • ★ 4.1/5 • Mid-Range

    Premium short-link security: 1/2in thick hardened steel with square links for high cut resistance

    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
    Check current price on Amazon →
  6. 6
    Electric scooter lock with 8mm chain, 3 keys

    Electric scooter lock with 8mm chain, 3 keys

    Mezelon • ★ 4.1/5 • Budget

    Budget electric-scooter lock: 8mm chain and three keys good for lighter duty anti-theft needs

    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
    Check current price on Amazon →
  7. 7
    Electric scooter lock with 8mm chain, 3 keys, heavy-duty anti-theft

    Electric scooter lock with 8mm chain, 3 keys, heavy-duty anti-theft

    Mezelon • ★ 4.1/5 • Mid-Range

    Duplicate-format scooter solution: 8mm chain and multiple keys provide a simple, portable anti-theft option

    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
    Buy at Amazon →
  8. 8
    Scooter Lock with Key, anti-theft security for e-scooters and bicycles

    Scooter Lock with Key, anti-theft security for e-scooters and bicycles

    Honszex • ★ 4.0/5 • Mid-Range

    Basic keyed scooter lock: a straightforward key lock aimed at casual scooter and bike users

    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
    Check current price on Amazon →
  9. 9
    ABUS Hardened Steel Security Chain (8KS, 6 ft, 5/16 in) for Bikes & Gear

    ABUS Hardened Steel Security Chain (8KS, 6 ft, 5/16 in) for Bikes & Gear

    ABUS • ★ 4.0/5 • Mid-Range

    Heavy-duty gear and bike chain: 6 ft of hardened square links designed for serious security needs

    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
    Buy at Amazon →
  10. 10
    AKM 3ft Heavy Duty Bike Chain Lock with 12mm Links

    AKM 3ft Heavy Duty Bike Chain Lock with 12mm Links

    AKM • ★ 4.0/5 • Mid-Range

    Heavy-link compact option: 3 ft with 12mm links balances portability and strong cut resistance

    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
    Buy at Amazon →

Buying Guide

Chain thickness and link type

Choose thicker, hardened-steel or square-link chains—larger links and hardened alloys resist cutting tools better than thin link chains

Locking mechanism

Decide between keyed cylinders and combination dials; keyed locks often offer stronger cylinders while combos avoid carrying keys

Length and portability

Match chain length to your typical lock situations—shorter chains are lighter and more secure for fixed posts, longer chains allow locking to larger objects

Protective coverings

Look for fabric or rubber sleeves to prevent paint damage and reduce noise when carrying a heavy chain

Intended vehicle

Confirm compatibility with bikes, e-bikes, or scooters—some chains are marketed for scooters and e-scooters and balance weight versus security differently