Best Bike Chain Locks Under $50 (2026)

We ranked locks under $50 by value score using chain construction, link thickness, lock type, customer ratings, and included accessories (keys/extra features)

Top Picks

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
    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

    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
    Check current price on Amazon →
  8. 8
    Scooter Chain Lock for Electric Scooters and Bikes

    Scooter Chain Lock for Electric Scooters and Bikes

    IMAYCC • ★ 4.0/5 • Mid-Range

    Secure chain lock made of full alloy steel with heat-treated durability. Provides rust- and pry-resistance with a thick 6mm chain and 94cm length. Customers note its heavy-duty security and ease of use for quick locking and unlocking

    • hardened alloy steel construction
    • 6mm thick chain with 94cm length
    • rust- and pry-resistant core
    Check current price on Amazon →
  9. 9
  10. 10
    AKM anti-theft bike lock with 10mm chain and 4 keys

    AKM anti-theft bike lock with 10mm chain and 4 keys

    AKM • ★ 4.0/5 • Mid-Range

    Robust 10mm chain lock built from 3T manganese steel with anti-theft cylinder and rotating switch. Protects bikes, scooters, and more; customers cite strong protection and security features, though some report locking difficulty

    • 3T manganese steel chain
    • 10mm thickness for strength
    • 4 keys for convenience
    Check current price on Amazon →

Buying Guide

Chain thickness and material

Choose chains made from hardened steel or square-link construction and prioritize thicker links (measured in mm or fractional inches) for better cut resistance

Locking mechanism

Decide between keyed locks and combination dials—keyed locks often offer simpler operation while combination locks avoid carrying keys; consider extra keys included with some models

Length and weight trade-off

Longer chains increase locking options but add weight; pick a length that secures both wheel and frame without exceeding what you’re willing to carry

Weather and outdoor use

Look for corrosion-resistant finishes and sealed lock cylinders to reduce rust and freezing in outdoor storage situations

Compatibility with electric scooters/e-bikes

Confirm the chain and lock fit common mounting points and account for e-bike/scooter frames and heavier theft risk when selecting thicker chain options