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Kryptonite

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes and Scooters.

  • Based on 3,764 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Feb 2
Order within 9 hours and 39 minutes
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Style: New-U


Pattern Name: New York Standard U-Lock Only


Features

  • 16mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks.
  • Interior Locking Dimensions; 4" x 8"
  • Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.
  • Anti-Theft Protection Offer; Up to $4,000 Reimbursement for 1 Year Included

Description

The Kryptonite New York Lock Standard U-Lock features a 16 mm hardened max performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center keyway is protected by a vinyl coating and is pick and drill resistant. The keyway also features a sliding dust cover to protect the cylinder from dirt and debris when not in use. It includes three stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. One of the keys has an LED key fob for added visibility in the dark. Rated at 9 / 10 on our security scale, the New York Lock Standard is good for quick stops in major metropolitan areas and all day & overnight on college campuses, suburbs, and rural areas. It also includes our patented FlexFrame-U Bracket providing convenient multi-location U-Lock transport. The combination of these great features and our support programs including Key Safe, Anti-Theft Protection, and Lifetime Warranty make Kryptonite Bicycle Locks the best choice for protecting what you value.

Brand: Kryptonite


Special Feature: Weather Resistant


Lock Type: U-Lock, Bicycle Lock


Item dimensions L x W x H: 3.15 x 1.18 x 1.18 inches


Material: Alloy Steel


Brand: ‎Kryptonite


Special Feature: ‎Weather Resistant


Lock Type: ‎U-Lock, Bicycle Lock


Item dimensions L x W x H: ‎3.15 x 1.18 x 1.18 inches


Material: ‎Alloy Steel


Recommended Uses For Product: ‎Bike lock


Style: ‎New York Lock Standard


Color: ‎Black


Number of Pieces: ‎1


Finish Type: ‎Vinyl Coating


Included Components: ‎Lock


Controller Type: ‎Hand Control


Shape: ‎U Shape


Item Weight: ‎2.02 Kilograms


Control Method: ‎App


UPC: ‎720018002154


Model Name: ‎Kryptonite New York Lock Standard U-Lock


Global Trade Identification Number: ‎54


Manufacturer: ‎Kryptonite


Item Package Dimensions L x W x H: ‎10.63 x 6.69 x 2.52 inches


Package Weight: ‎2.04 Kilograms


Item Dimensions LxWxH: ‎3.15 x 1.18 x 1.18 inches


Brand Name: ‎Kryptonite


Warranty Description: ‎Limited Lifetime Warranty


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Part Number: ‎2154


Model Year: ‎2017


Outer Material: ‎aluminum


Size: ‎10


Sport Type: ‎Cycling


Date First Available: March 1, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Feb 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Learn more about financing & leasing here.

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Top Amazon Reviews

    • The best, except maybe the mount
This is the most Kryptonite of Kryptonite locks, thick, strong, difficult to pick or cut through. Not impossible to defeat, used correctly, but about the best you'll get. Also, because of that: very heavy. What I don't like is the frame mount. No matter how it's mounted or adjusted, the mount (& lock) slides and pivots, often into the way of your pedaling, and with the size of the lock and the way the lock fits into the mount makes it difficult to impossible to mount out of the way (e.g., in the seat/cross/down post triangle). ... show more
Reviewed in the United States on May 6, 2025 by Brett Doelling
    • Super sturdy lock
Super sturdy lock. Feels premium and givems me piece of mind
Reviewed in the United States on November 25, 2025 by Jose M.
    • Intimidated thieves enough to leave my lock and cut my bike.
This lock has been great. Recently, thieves cut through my e-bike and left my lock on the pole it was attached to. Until I get another bike it's useless, but at least I know the thieves found the lock intimidating. Wish I still had my e-bike.
Reviewed in the United States on December 7, 2025 by Joel S.
    • Good
Review Image by Ramon Aguilar Ramon Aguilar
No security system is 100% protective but this U lock combined with a heavy chain it a good deterrent. I was doubtful about spending more that 100 dollars on a lock for my bike, but it is worth it. With this lock I can use my bike for commuting and grocery shopping with relative and reasonable confidence that my bike will still be there when I return for it. Do be aware that the U loop does not fit all bike rack stations, depending on where you want to loop it around your bike. There are different sizes of U Locks & if you know you are commuting to a location with a chunky pole check the dimensions before you buy. Kryptonite's Anti-theft program might make this purchase worth it if you have a more pricey bike that costs 1,000 to 5,000 dollars, as one of kryptonite's programs will reimburse a loss depending on the value of your bike, if you register with them properly, should someone steal your bike by getting through their higher rated bike locks. ... show more
Reviewed in the United States on July 1, 2024 by Ramon Aguilar Ramon Aguilar
    • heavy and secure for a college student
Stout lock. Let's be honest, "locks are for honest people". If a criminal really wants to use a battery powered angle grinder or the like, they are going to get through whatever you have. Unless you want to lug around a big steel and titanium cage with multiple layers. But probably still with that. The lock has been a good balance of portable and solid for a deterrent. If you're focusing on "not being faster than the bear but being faster than the other hunter" -- well, look no further thank this Kryptonite U Lock. we own 2, this one is the more secure one and while we'd recommend both, this model was what our son uses at school. just remember to park your bike in a well lit and frequented area and ideally... next to a few bikes that are nicer and less secure. don't let that bear eat your bike. ... show more
Reviewed in the United States on October 11, 2025 by MacGromit
    • Needed more length than the FAHGETTABOUDIT.
Well, it's a Kryptonite U lock, so much better than any cable lock, (don't even waste your money on those if your bike has any value at all. You might as well hang a sign, "STEAL THIS BIKE!") If anything, use a heavy chain at the very least. The stronger "FAHGETTABOUDIT" version is just too impractical because it's so short. I want to be able to just slip this on when I park, not figit with trying to work it into a tight spot and maybe scratch the paint. It is ironic that the LIGHTEST bikes cost more, so we need a HEAVIER lock to secure them, and this monster lock is not light by any means. There's some misinformation about the "Protection" offer. It doesn't say you HAVE to have insurance (as some have said), but it looks like you DO need to register your Bike (and Lock) ahead of time. From their website: "Remember this is an OPTIONAL offer and you MUST register to participate in the Program." You also have to notify the police within 72 hours, and Kryptonite within 7 days. Probably the only sticky point is they want a pic of the broken lock or may even want to see it in person. A thief might just take the lock with him to prevent fingerprint ID. I've seen some complaints about it being hard to unlock after using it for awhile. I'm wondering if that's from thieves who tried to pick the lock but failed. They might have damaged the pins, trying to ram screwdrivers or whatever into it. I debated about buying two lesser locks for the same price as this one. Seems having two locks is preferrable, although no lock is completely theft-proof. Any lock can be defeated given enough time and opportunity, like leaving your bike outside overnight. I might eventually buy a 2nd Kryptonite down the road for my $2800 Trek Domane, maybe the "Lite" version to compliment this one. ... show more
Reviewed in the United States on October 26, 2019 by St8kout
    • Sturdy
Sturdy and easy to lock
Reviewed in the United States on November 19, 2025 by susan williamson
    • Barely enough.
Review Image by Scott Albertine Scott Albertine
I bought this to lock up my new ebike. I've used (cheaper, lower quality) Kryptonite U-locks on my acoustic bike in Boston for 13 years before this. I splurged on what I thought was the heaviest, priciest, most durable lock out there. It was just barely enough. Less than 6 months after I bought the bike, I woke up to a text message saying someone tried, and failed, to steal it. I ran outside to find the lock as you see it here. The thief had found a working electrical outlet at the park near my bike, brought a 50 foot extension cord and a corded angle grinder, and cut one side of this lock in under 60 seconds. I know this because my neighbor caught it on his doorbell cam, timestamped at 1:50 AM. Then another neighbor yelled at the thief, who ran away before they could finish cutting the other side of the lock. Had the neighbor not yelled, and had the lock not required 2 cuts, I wouldn't have a bike anymore. If you have a nice looking ebike in an urban area, consider this the bare minimum. I've upgraded to the New York Diamond Standard since then, and it seems to be holding up, which for the $300+ price tag, it bloody well should. ... show more
Reviewed in the United States on December 9, 2025 by Scott Albertine Scott Albertine

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