# Kryptonite New York M18-WL U-Lock, 18 mm

The Kryptonite New York M18-WL is a keyed bicycle U-lock with an 18 mm hardened steel shackle and a double-deadbolt mechanism. Its substantial listed dimensions and 2.6-pound weight favour buyers prioritising a robust locking format over easy carrying.

- [Original product page](https://bargainpostbox.co.uk/product/kryptonite-new-york-m18-wl-u-lock)
- [View offer](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Kryptonite
- Model: New York M18-WL
- Category: Sports & Outdoors > Cycling > Bicycle Parts & Accessories
- Price: 68.19 GBP
- Previous price: 97.37 GBP
- Discount: 30%
- Price checked: 2026-11-14T09:49:21.846Z
- Rating: 4.6 / 5
- Reviews: 727

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- 18 mm hardened steel shackle, with the listing claiming resistance to bolt cutters and leverage attacks.
- Double-deadbolt mechanism and a hardened steel sleeve over the crossbar are presented as security features.
- Protective vinyl coating is intended to help prevent frame scratches.
- The manufacturer describes a high-security disc-style cylinder and a sliding dust cover.

## Pros

- The 18 mm shackle and double-deadbolt design give buyers specific, substantial security features to consider.
- Vinyl coating helps protect the bicycle frame from scratches.
- Listing claims CAT3 approval, which may be relevant to buyers comparing lock approvals.

## Cons

- At 2.6 pounds, it is a relatively weighty option to carry, as reflected in the listed weight and mixed customer comments about portability.

## Specifications

### Identity and use
- Brand: Kryptonite
- Model: New York M18-WL
- Recommended use: Cycling
- Lock type: Pin Tumbler
- Control method listed: Touch
- Form factor: Rectangular
- Number of pieces: 1
### Construction and protection
- Shackle: 18 mm hardened Kryptonium steel shackle resists bolt cutters and leverage attacks.
- Locking mechanism: Double deadbolt locking mechanism for extensive holding power.
- Material: Alloy Steel
- Finish: Vinyl coating
- Listed security approval: Approved to Thatch am CAT3.
### Dimensions and weight
- Dimensions listed: 66.3 x 1.8 x 10.2 centimetres
- Weight listed: 2.6 Pounds

## Before you buy

- The listing describes three stainless-steel keys, including one with an LED, but the explicit contents field only says “Locks”. Confirm the selected listing's key bundle. The stated dimensions and 2.6-pound weight may also affect fit and carrying comfort. The approval wording is shown as “Thatch am CAT3”, so confirm the exact approval designation if it matters to your purchase.

## In the box

- Locks (Included)

## A good fit for

- Cyclists who prioritise a substantial keyed U-lock and double-deadbolt construction.
- Buyers looking for a vinyl-coated lock and who can accommodate its listed weight and dimensions.

## Less suited to

- Cyclists who want a lightweight lock for frequent carrying.
- Buyers who need confirmed package contents or an unambiguous approval designation before ordering.

## Customer feedback

Customer feedback commonly praises the lock's heavy-duty feel and perceived resistance to break-in attempts. However, views are mixed on its size, weight, portability and price. That trade-off matters here because the listing specifies a 2.6-pound lock with substantial dimensions. Aggregate ratings are mostly five-star, but ratings alone do not explain individual experiences.
- Positive themes: Customers praise its heavy-duty construction and perceived security.
- Mixed feedback: Feedback is divided on whether its size and weight are manageable to carry.
- Mixed feedback: Opinions differ on whether the price feels worthwhile.

## Frequently asked questions

### What is the shackle thickness?
The listing specifies an 18 mm hardened steel shackle.
### How much does the lock weigh?
The listed weight is 2.6 Pounds. Customer feedback also describes carrying weight and portability as mixed considerations.
### Does the lock come with three keys?
Manufacturer feature text claims three stainless-steel keys, including one with an LED, but the explicit included-components field only lists “Locks”. Check the selected listing to confirm the key bundle.
### What approval does the listing state?
It says “Approved to Thatch am CAT3.” The wording is unclear, so confirm the exact designation if approval is important to you.

## Alternative options

- [Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Evolution Mini-7 Bicycle U-Lock w/ 4’ KryptoFlex™ Double Loop Cable](https://bargainpostbox.co.uk/visit/kryptonite-evolution-mini-7-u-lock-cable)
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- [Kryptonite Messenger Mini+ Plus Wheel Extender Bicycle U-Lock](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Evolution Lock U- Bicycle](https://bargainpostbox.co.uk/visit/kryptonite-evolution-mini-5-bicycle-u-lock)
- [Kryptonite Evolution Standard Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 14mm Shackle with Mounting Bracket and Keys, High Security Lock for Bicycles Scooters](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Keeper Mini Folding Bike Lock, Compact Lightweight High Security Anti-Theft Foldable Bicycle Lock with 2 Keys and Mount for E-Bikes Scooter Road Mountain Bikes, 80cm \(31.5 in\)](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Keeper Mini-6 Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock Sold Secure Silver, 12mm Shackle with Mounting Bracket and Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [ValueMax Bike Lock, 17 mm U Lock with Sturdy Mounting Bracket and Keys \| Anti-theft, Durable, Scratching Protection, Well-designed Size, Bicycle Motorcycle Scooter Protection](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Keeper 585 Folding Combo Bike Lock, Compact High Security Anti-Theft Foldable Bicycle Lock with 4-Digit Resettable Combination and Mount for E-Bikes Scooter Road Mountain Bikes, 85cm\(33 in\)](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)
- [Kryptonite Evolution Compact Lock - Orange, Disc](https://bargainpostbox.co.uk/visit/kryptonite-evolution-compact-disc-lock-orange)
- [Kryptonite 884 Keeper 5 S2 Motorbike Cycle Disc Lock with Reminder Cable - Yellow](https://bargainpostbox.co.uk/visit/kryptonite-keeper-5-s2-motorcycle-disc-lock)

## Add-ons

- [Kryptonite 994589 New York Lock M18-WL U-Lock - Black/Yellow, One Size](https://bargainpostbox.co.uk/visit/kryptonite-new-york-m18-wl-u-lock)

## Images

![Kryptonite New York M18-WL U-Lock, 18 mm — 1](https://bargainpostbox.co.uk/i/5ql-jEOgLzx4rqMCtVRjkJmAjapOvSkBxLui1ppb46NGzG94L3KGR15yGYLT7Z9ElPcVegPxkTweDvjF4zc6XjlW_peskfqwXvXVcNh0DTf1FdPRvVTkxHWW.jpg)

![Kryptonite New York M18-WL U-Lock, 18 mm — 2](https://bargainpostbox.co.uk/i/fokq_Li2ZnCX6ROAInhBssg5FVqqqGmU0IVpm34kkmxRgrr_H8EcZgb1KWtaBwiOf7pv8nsuoUhB0I0xa9hsFg6aolXkZU2O0VW4xpjZ170Q4zwBP4CMvfvZ.jpg)

![Kryptonite New York M18-WL U-Lock, 18 mm — 3](https://bargainpostbox.co.uk/i/XyLxIWCveicU0O8igEpxQ0ksuEi_eO4YDxJbHQRJsx3yybyLy4z64ZwOtmeTUra4w3SZUznzkYGn-qHiTVStaRJXdXr1D4zxrKN9fxjsPcPqJaMo.jpg)