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Kryptonite 8mm Chain Key Chain Bicycle Lock

1,448 ratings
Kryptonite 8mm Chain Key Chain Bicycle LockKryptonite 8mm Chain Key Chain Bicycle LockKryptonite 8mm Chain Key Chain Bicycle Lock
MaterialSteel
Pack SizeSingle

Key item features

  • 8mm hardened steel chain links resist hand tools, bolt cutters, and leverage attacks
  • Nylon protective covering helps prevent scratching and wear and tear on your bike
  • Chain length: 3 feet
  • Lifetime Warranty
Current price is $27.96
Price when purchased online
  • Free 90-day returns

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Customer ratings & reviews

4.6 out of 5 stars
stars
1,448 ratings437 reviews
How item rating is calculated
  1. 5 stars81% (1,173)
  2. 4 stars9% (133)
  3. 3 stars3% (39)
  4. 2 stars1% (20)
  5. 1 star6% (83)

Reviews summary

Pros

  • : Made with robust materials for added security.
  • : Offers high-quality features at this price.
  • : Requires minimal effort to use.
  • : Provides substantial security for bikes and e-scooters.

Neutral

  • : Can be smooth, but may require effort.
Generated by AI
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Showing 1-3 of 437 reviews

Jan 14, 2026
Reviewer name: Mark
Item details
Material: Steel
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love it!!

Loving my scooter so far. Put about 100 plus miles on it and still running strong! The tools they sent weren't the correct sizes but l luckily I did have my own tools no big deal. Assembly was easy. Wish braking was a little better but I give it a 8/10 on braking. I ride it every weekday for work and it's been a beast every trip. Especially the long battery life even on 3rd gear the whole 6-7 miles I go Overall I give it a 9 out of 10

Helpful?72F1BY0Z7O6E19721330
Nov 13, 2022
Reviewer name: McVaughn
5 out of 5 stars
5 out of 5 stars review

Serious anti theft chain lock

This bicycle chain lock is definitely going to keep your bike safe and secure. They have to come with the jaws of life to cut it off your bike :o)) It's a very heavy chain that's covered in a strong looking material that makes it look really nice. I chose the one with the key lock just because I don't really like fumbling with the combination type locks. Good price, quality chain lock, what more can I ask for.

Incentivized Review
Helpful?72F1BY0Z7O6E19721330
Oct 23, 2025
Reviewer name: William
Item details
Material: Steel
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great lock. This one's just long enough for me right now

Helpful?72F1BY0Z7O6E19721330