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Product guide

Kryptonite New York Standard U-Lock, 16 mm Shackle

The Kryptonite New York Standard is a yellow U-lock supplied with a Flex Frame-U carrying system. Its listed 16 mm hardened steel shackle and double deadbolt design are aimed at riders prioritising a substantial lock, with a 2.02 kg listed weight to factor into carrying plans.

At a glance

  • The manufacturer claims a 16 mm hardened steel shackle and a hardened double deadbolt intended to resist twist attacks.
  • A disc-style cylinder is listed as pick and drill resistant.
  • The listing claims Sold Secure Gold and a 9/10 rating on Kryptonite's security scale.
  • A Transit Flex Frame-U carrying system is claimed as included.
Price
£64.79Save 19%

Reference price: £79.80

Price checked: 14 Nov 2026

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Often bought together

Pros and cons

Pros

  • The substantial shackle and double deadbolt design provide concrete security-focused features for riders prioritising a heavy-duty U-lock.
  • The included frame-carrying system gives an alternative to carrying the lock loose in a bag.

Cons

  • At a listed 2.02 kg, this is a heavy lock to carry regularly.

Technical specifications

15 specifications
Identity
BrandKryptonite
ModelNew York Standard
Lock typeU-lock
ColourYellow
Lock features
Shackle16mm hardened MAX-Performance steel shackle
Locking designPatented pending hardened double deadbolt design gives additional protection against twist attacks
CylinderHighest security disc-style cylinder is pick and drill resistant
Security rating claimSold Secure Gold - Rated 9/10 on Kryptonite's security scale
Connectivity and controls
Control methods listedApp
Dimensions and installation
Form factorU
Dimensions listed8 x 3 x 3 centimetres
Weight listed2.02 Kilograms
Carrying systemIncludes Transit Flex Frame-U transportation system which allows for versatile carrying
Materials and protection
Material listedAlloy Steel
Cover featuresHigh Level Security Bike Lock Vinyl Protective Cover Sliding Cover

What to know before buying

Listing details to confirm

Listing details are inconsistent: the product title names a Standard Shackle, while the model-details list dimensions as 8 x 3 x 3 centimetres without giving the shackle opening, and one control field says App despite this being a mechanical U-lock. Verify the selected listing and fit against your bike and locking point. The 2.02 kg weight is listing-supplied.

What’s in the box

  • LockIncluded
  • Transit Flex Frame-U transportation systemCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

  • Cyclists seeking a substantial U-lock with a listed hardened 16 mm shackle and double deadbolt design.
  • Riders who can accommodate a 2.02 kg lock and want a claimed frame-carrying system.

Less suited to

  • Riders whose priority is minimising carried weight.
  • Buyers who need a confirmed shackle opening dimension before checking compatibility with a particular frame or anchor.
Kryptonite New York Standard U-Lock, 16 mm Shackle · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 3,929 ratings
  • 5 stars79%79%
  • 4 stars12%12%
  • 3 stars5%5%
  • 2 stars1%1%
  • 1 star3%3%

Customer feedback highlights sturdiness and perceived security, while some customers report key-function problems within a year and criticise the mounting bracket. Opinions also differ about weight and functionality. The listed 2.02 kg weight is useful context for the carrying concern, and the claimed Flex Frame-U system may matter to mounting, but customer feedback does not establish how any individual unit will perform.

Positive themes

  • Customers describe the lock as sturdy and solid, and report confidence in its security.

Negative themes

  • Some customers report that the key stops working within a year. The mounting bracket also receives criticism.

Mixed feedback

  • Customers disagree about the lock's weight and functionality.

Frequently asked questions

What security features are listed?

The listing claims a 16 mm hardened steel shackle, hardened double deadbolt design and a disc-style cylinder described as pick and drill resistant. These are listing claims, not independent test results.

Does it come with a carrying bracket?

The features list says a Transit Flex Frame-U transportation system is included. The separate included-components field names only the lock, so confirm the selected listing's package contents.

How heavy is the lock?

The listed weight is 2.02 Kilograms, which may matter if you carry it on every ride.

Is the shackle opening size confirmed?

No opening dimensions are supplied. The listing gives item dimensions of 8 x 3 x 3 centimetres, but these do not specify the usable shackle clearance.

Kryptonite New York Standard U-Lock, 16 mm Shackle · photo 3
Additional product photo 3

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