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Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Gray

4.7 4.7 out of 5 stars 8,953 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Bike Chain Locks by Kryptonite

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Gray
Lock

Purchase options and add-ons

Brand Kryptonite
Lock Type Key Lock
Item Dimensions LxWxH 33.5 x 2.36 x 6.69 inches
Material Alloy Steel Nylon

About this item

  • Steel/Manganese 7 mm
  • Now available in 3 new colors: grey, red, & purple
  • 7mm four-sided chain links made from 3T MANGANESE STEEL
  • Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability
  • Hardened DEADBOLT DEDSIGN provides extra holding power
  • HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant
  • Includes 2 NEW ERGONOMIC "I" KEYS

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Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Gray


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Product Description

Now available in 3 new colors: grey, red, & purple. 7mm four-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. Hardened DEADBOLT DEDSIGN provides extra holding power. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Includes 2 NEW ERGONOMIC "I" KEYS. Durable WEATHER-RESISTANT nylon sleeve prevents scratches. Key Safe Program. Product dimensions: 33.5” (85cm) chain length.

Important information

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Top Brand: Kryptonite

Highly Rated
4.5/5 star rating from 100K+ customer ratings
Trending
50K+ orders for this brand in past 3 months
Low Returns
Customers usually keep items from this brand

From the manufacturer

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  • Rated 5/10 on Kryptonite's security scale
  • Moderate Security lock
  • Eligible for the optional Anti-theft Protection

Keeper 785 Integrated Chain - Grey

Moderate Security

  • 7mm four-sided chain links made from Kryptonite’s high performing 3T manganese steel.
  • New end link design secures the chain with the hardened deadbolt.
  • New design secures chain directly to hardened deadbolt; offers no “weak” link in the chain due to the extensive holding power of the link itself against attacks.
  • High security disc-style cylinder is pick and drill resistant.
  • Weather-resistant nylon sleeve prevents scratches to painted finishes; compact coiling for easy carrying.
  • Comes with 2 ergonomic keys.
  • Length: 33.5" (85cm)
  • Weight: 3.50 lbs (1.59k g's)

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Chain Size

7mm four sided chain links made of 3T manganese steel.

Anti-theft Protection

Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will pay out up to a certain value depending on the security value of the product. Visit our official website for further information. T&C’s apply.

Key Safe Program

Register your keys online and Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.

Stainless Steel Keys

Includes 2 stainless steel keys.

What's in the box

  • Locks
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    8,953 global ratings

    Customers say

    Customers like the performance and sturdiness of the lock. For example, they say it works well, is heavy duty, and deters thiefs. That said, opinions are mixed on the weight and quality of the product.

    AI-generated from the text of customer reviews

    267 customers mention241 positive26 negative

    Customers like the sturdiness of the lock. They say that it's heavy duty, the lock feel sturdy, and has a strong appearance. Some customers also mention that the lock will resist most simple brute force attacks that will easily defeat cable locks. Overall, customers are satisfied with the quality of the product.

    "...not a fanatic in locks, but I can definitely tell that this is a great quality lock, and I have had no issues with being able to lock my scooter..." Read more

    "...It's that sturdy and heavy...." Read more

    "...The nylon sleeve is durable and protects the chain from debris, etc. but I think it would slow a thief down as well...." Read more

    "My kid loves it. Sturdy and keeps his bike safe" Read more

    174 customers mention129 positive45 negative

    Customers like the performance of the lock. For example, they say it works well and deters thiefs. It's also useful and practical, and it works great for wrapping a couple times around a bike rack or a street sign. Some customers also mention that the chain can double as a weapon.

    "...Speaking of fights, this chain also makes very good weapon too, if someone were trying to walk up on you in a dodgy part of town, you could..." Read more

    "...BUT this second chain works perfectly!! Unlocks nice and smoothly, no issues at all with and am very very happy with it! :)" Read more

    "...Lock Picking Lawyer shows its not hard to pick but works well at a school bike lockup. The fabric coating works well to protect the bike." Read more

    "...The other thing is that the key is super finicky and doesn't like to enter or sit properly in the lock when opening and closing...." Read more

    397 customers mention267 positive130 negative

    Customers are mixed about the quality of the lock. Some mention it's a great lock, especially for the price, and the locking mechanism works well. However, others say that the locking system is finicky, the wheels often get stuck, and it' s heavy.

    "...The lock is very versatile. The chain design makes it extremely easy to lock and ensures that thieves have trouble cutting it open, especially if..." Read more

    "This lock has some weight to it but its a solid bike lock. Thick chain under a quality cover so no scratches to the bikes...." Read more

    "...negative that bothers me I can think of is the fabric around the chain seems to attract grease and since it’s black you don’t see it till it’s all..." Read more

    "...This lock is very solid, and while it can probably be defeated with bolt cutters, it would take some work to get the job done...." Read more

    199 customers mention119 positive80 negative

    Customers are mixed about the weight of the lock. Some mention that it is not heavy compared to other chains, U-locks, or other, while others say that it's way too heavy for the way they use their bike and awkward to transport. The chain is thick and coated to resist weather, and the lock bolt is slim enough to thread the chain through between bike seat and.

    "...The lock comes with a spare key and it is relatively light for a metal chain, weighing around 5 pounds or so...." Read more

    "Yes, it weighs a bit, but if you have a small enough waistline (mine is 28in, the chain is 32in), then you can transport it that way, or wrap it..." Read more

    "...This seems perfect. It's not too heavy to weigh you down and if you have a slim enough waist, you can wear the lock like a belt if no place to..." Read more

    "It’s real heavy. A good 5lb, probably a bit more idk. Had this for about a year and it’s never been tampered with when I chain my bike...." Read more

    Solid enough
    4 Stars
    Solid enough
    I mean it's going to take ant man to get thru this chain lol I mean its solid enough to where nobody's going to want to be thiefing and struggling just to get caught lol it's good enough for me. I have a electric scooter roadrunner D4+ goes 40mph + I wouldn't want to get my ish stolen thank u. I recommend.
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    Top reviews from the United States

    Reviewed in the United States on January 13, 2024
    Color: BlackStyle: LockVerified Purchase
    7 people found this helpful
    Report
    Reviewed in the United States on February 5, 2018
    Color: GrayStyle: LockVerified Purchase
    9 people found this helpful
    Report
    Reviewed in the United States on July 18, 2020
    Color: GrayStyle: LockVerified Purchase
    Customer image
    1.0 out of 5 stars Easy to cut at a weak point — beware
    Reviewed in the United States on July 18, 2020
    Thieves crowbarred into a locked garage during the day and easily cut through this lock (see picture). It’s a weak point in the lock mechanism. Probably not worth the money; we’re certainly not going to use the other ones we have on the bikes that survived the burglary. (And we didn’t use this type of lock when locking bikes outdoors — it was just for inside the garage as a deterrent, but it obviously wasn’t much of that. You need something much better for out and about in the city.)
    Images in this review
    Customer image
    Customer image
    18 people found this helpful
    Report
    Reviewed in the United States on May 23, 2014
    Color: BlackStyle: LockVerified Purchase
    34 people found this helpful
    Report
    Reviewed in the United States on December 31, 2022
    Color: GrayStyle: LockVerified Purchase
    Customer image
    1.0 out of 5 stars Was opened and only came with one key
    Reviewed in the United States on December 31, 2022
    Only came with one key, end of chain is deformed a bit and didnt come in original packaging
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    2 people found this helpful
    Report
    Reviewed in the United States on October 21, 2023
    Color: RedStyle: LockVerified Purchase
    One person found this helpful
    Report

    Top reviews from other countries

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    Carlos Ramirez
    5.0 out of 5 stars Resistente
    Reviewed in Mexico on December 15, 2023
    Color: GrayStyle: LockVerified Purchase
    Andrew S.
    5.0 out of 5 stars Better than expected
    Reviewed in Canada on July 19, 2023
    Color: GrayStyle: LockVerified Purchase
    3 people found this helpful
    Report
    Ulli B.
    5.0 out of 5 stars Sicherheit
    Reviewed in Germany on March 5, 2024
    Color: BlackStyle: LockVerified Purchase
    Viola Bergere
    5.0 out of 5 stars Fantastic lock
    Reviewed in the United Kingdom on February 25, 2024
    Color: BlackStyle: LockVerified Purchase
    Natalie Fiedel
    5.0 out of 5 stars Top Schloss zum super Preis
    Reviewed in Germany on February 1, 2024
    Color: GrayStyle: LockVerified Purchase