Kryptonite

Kryptonite Kryptolok Folding Lock

★★★★☆ 4.3/5 (4 customer reviews)
Overall Score4.3/5.0
Expert Verdict

The Kryptonite Kryptolok Folding Lock is an excellent choice for cyclists seeking a balance between security and portability. While it may not cover all locking scenarios due to its length, its robust construction and folding convenience make it a reliable everyday lock. We recommend it for urban riders who prioritize ease of transport without compromising on protection.

Key Features

  • 7 hardened steel links with protective vinyl coating
  • Folding design for compact storage and easy transport
  • Disc-style cylinder lock resistant to picking and drilling
  • Includes frame mounting bracket for convenient carrying
  • 6.7 inches (17 cm) length allowing versatile locking options
✓ Pros
  • Compact and lightweight compared to traditional locks
  • Strong security with hardened steel links
  • Easy to mount and carry on the bike frame
  • Disc-style lock enhances resistance to tampering
✗ Cons
  • Shorter length may limit locking options for some users
  • Folding joints may be slightly less resistant than solid U-locks
  • Higher price point compared to basic cable locks

Full Review

The Kryptonite Kryptolok Folding Lock is a robust and compact security solution designed for cyclists who need reliable protection without sacrificing portability. This lock features a unique folding mechanism that allows it to collapse into a small, manageable shape, making it easy to carry in a backpack or mount on a bike frame using the included bracket. With hardened steel links, it offers a strong defense against cutting and leverage attacks, ensuring peace of mind when leaving your bike unattended.

Ideal for urban commuters and recreational riders alike, the Kryptolok Folding Lock balances security and convenience. It measures a practical length that allows you to secure your bike to a variety of fixed objects, from bike racks to street poles. The lock cylinder features a disc-style design, which is resistant to picking, adding an extra layer of protection. Additionally, the lock comes with a protective vinyl coating to prevent scratches on your bike's frame.

The folding design also means the lock is less cumbersome than traditional U-locks or heavy chains. Its compact form factor lends itself to quick locking and unlocking, streamlining your daily routine. Kryptonite has a strong reputation in the cycling security market, and the Kryptolok Folding Lock lives up to that standard with durable materials and thoughtful design.

Customer Reviews

Emily R. March 2025
★★★★★
Perfect balance of security and convenience
I love how compact this lock is when folded, making it super easy to carry. The steel links feel very sturdy, and I feel confident leaving my bike secured around the city. Worth the investment!
James T. January 2025
★★★★☆
Great lock but a bit short
The folding mechanism is clever and the lock is tough, but sometimes the length makes it tricky to lock to larger objects. Still, it’s very portable and well-made.
Sofia M. February 2025
★★★★☆
Compact design, solid protection
This lock fits nicely in my backpack and mounts easily to my bike. The hardened steel links give me peace of mind, though I wish it was a little longer for more flexibility.
David K. December 2024
★★★★☆
Reliable and easy to use
I appreciate the folding design and the quality of the materials. It's not the cheapest lock out there, but it feels much more secure than basic cable locks and is easy to carry around.