# Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable

The Kryptonite KryptoLok Standard is a keyed bicycle U-lock listed with a 4-foot Flex cable. Its steel construction and cable offer a two-part locking setup, while the listed 2.91-pound weight is worth considering for regular carrying.

- [Original product page](https://bargainpostbox.co.uk/product/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [View offer](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Kryptonite
- Model: KryptoLok
- Category: Sports & Outdoors > Cycling > Bicycle Parts & Accessories
- Price: 25.39 GBP
- Previous price: 38.29 GBP
- Discount: 34%
- Price checked: 2026-11-14T19:40:32.028Z
- Rating: 4.4 / 5
- Reviews: 6050

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

- Listing describes a U-lock paired with a 4-foot Kryptoflex cable.
- The listing states a 6/10 rating on Kryptonite’s security scale and Sold Secure Bicycle Gold certification.
- Key Safe Program is listed. Optional ATPO is stated as £1,000.

## Pros

- U-lock and cable provide two components for securing a bicycle and extending reach to a fixed object.
- The listed Sold Secure Bicycle Gold certification gives buyers a stated certification to compare against their security needs.

## Cons

- The listed weight of 2.91 pounds may be a noticeable load for riders prioritising a lightweight everyday carry.

## Specifications

### Identity
- Brand: Kryptonite
- Model: KryptoLok
### Lock details
- Lock type: Keyed Lock
- Form factor: U Shape
- Special features: Anti-Theft, Heavy Duty
- Material: Alloy Steel
- Finish: Vinyl
- Colour: Black/Silver
- Control methods listed: Touch
- Security rating listed: Rated 6/10 on Kryptonite’s security scale
- Certification listed: Sold Secure Bicycle Gold certified
### Dimensions and carrying
- Dimensions listed: 10.2 x 10.2 x 22.9 centimetres
- Weight listed: 2.91 Pounds
### Other details
- Recommended use: Security
- Warranty description: 2 years.

## Before you buy

- The listing describes a 4-foot Flex cable and a U-lock as a complete solution, while the explicit included-components field only says “Locks”. Confirm the selected listing’s exact cable and accessory contents. The £1,000 ATPO is optional, not stated as included. The listed security rating and certification are manufacturer claims, not independently verified here.

## In the box

- Locks (Included): Explicit included-components listing. It does not specify the exact components.
- 4-foot Flex cable (Check selected pack): Named in the title and product description. The explicit included-components field does not detail the kit.

## A good fit for

- Cyclists wanting a keyed U-lock-and-cable combination for securing a bicycle.
- Buyers who value a stated Sold Secure Bicycle Gold certification and accept the listed weight.

## Less suited to

- Riders seeking a particularly light lock to carry daily.
- Buyers who need a confirmed kit inventory or a security rating beyond the listing’s stated 6/10.

## Customer feedback

Customer feedback describes the lock as good quality and effective at deterring theft, including reports of thwarted attempts. Experiences with operation, value and carrying weight are mixed, with some customers describing slow locking or unlocking, sticking during use, or finding it heavy. The listed keyed mechanism and 2.91-pound weight make those usability and carrying concerns especially relevant, but feedback does not establish how every unit performs.
- Positive themes: Customers describe the lock as good quality and effective at deterring theft.
- Mixed feedback: Feedback on ease of use and value varies, with some reports of slow locking or unlocking and disappointment with the price.
- Mixed feedback: Some customers say the lock can stick when opening or closing, while others find it secure when locked.
- Mixed feedback: Carrying weight divides opinion. Some find it manageable, while others consider it too heavy.

## Frequently asked questions

### Does this listing include a cable?
The title and feature text describe a 4-foot Flex cable, but the included-components field only says “Locks”. Check the selected listing’s package details before buying.
### What security rating and certification are stated?
The listing claims a 6/10 rating on Kryptonite’s security scale and Sold Secure Bicycle Gold certification. These are listing claims, not independently verified here.
### Is the £1,000 ATPO included?
No inclusion is stated. The listing calls ATPO optional, so do not assume it comes with the lock.

## Alternative options

- [SIGTUNA Bike lock - 16mm Heavy Duty Bicycle U Lock Shackle and Mount Holder, 1.2m Steel Chain Cable and 3 High-Security Keys for Road Bike, Electric Bike, Folding Bike, Mountain Bike - Yellow](https://bargainpostbox.co.uk/visit/sigtuna-wodan-16mm-bike-u-lock-cable)
- [Bike Lock Heavy Duty Bicycle u Lock Shackle 4ft Length Security Cable with Sturdy Mounting Bracket and Key Anti Theft Bicycle Locks for Road Bike, Electric Bike, Mountain Bike, Folding Bike](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [NDakter Bike Lock, Keyless Heavy Duty Combo Bike D Locks with 5FT/1.5M High Security Steel Cable, Anti-Theft Combination Bicycle U Lock for Road Bike,Ebike, Electric Bike, Scooter, Mountain Bike](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [KOHLBURG Highest Security Sold Secure Diamond Bike Lock U Lock with 4 Keys \| Large 13.5" x 6.7" Shackle \| Heavy Duty Anti Theft Bike U-Lock with 5.5ft Steel Cable & Bracket \| Ulock for Ebike Bicycle](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [Heavy Duty Bike U Lock - Super Strong 12 Ton Shear, 20mm U Shape Lock Anti-Theft Silicone Covered Keyhole with Sliding Cover 4ft Steel Cable with Mounting Bracket and 3 Keys \(S\)](https://bargainpostbox.co.uk/visit/alshaay-bike-u-lock-cable-keys)
- [ABUS U-Lock 410K Ultra for Bicycle and e-Scooter - Handy and Robust Bicycle Lock with Practical Holder for Transport on the Bicycle - Bicycle Accessories - Variant 150HB140, Green](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [NDakter Bike Locks,18mm Shackle Heavy Duty Bike D Lock with 6FT/1.8M Steel Security Cable with 3 Keys, Anti Theft Bicycle Lock for Electric Scooter, Motorbike, Dirt-Bike, E Bike, Road Bike Lock Sturdy](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [GRIFEMA GA1201-12 Bike Locks High Security with 2 Keys, Bike Chain Lock Heavy Duty, 120cm Bicycle/Cycling Locks for Bike Cycle, Moto, Door, Gate Fence, Black/White](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [Titanker Bike Chain Lock, Heavy Duty Bicycle Locks, Hardened Steel Cycling Locks with 2 Keys, Anti-Theft Lock Chain for Bike Motorcycle, Bicycle, Door, Gate, Fence, Grill \(950mm x 6mm\)](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [REHKITTZ 5-Digit Combination Bike Lock, 12 mm Cable, 120 cm Length \| High-Security Bicycle Lock, 5-Digit Combination, PVC-Coated, Rust-Resistant and Wear-Resistant Cable, Fits Bikes and Gates](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [Burg-Wachter 1.5M Sold Secure Gold Bike Chain and Lock Kit, Black](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [Burg Wachter 200D 16mm Heavy Duty D-Lock Padlock – Sold Secure Diamond & Gold Rated Bike & Motorcycle Ebike Scooter Security Lock](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)

## Add-ons

- [Glangeh Bike Lights Ultra Slim, Rechargeable Bicycle Lights Front and Rear \| 4+6 Modes Bike Light, Waterproof IP65 Cycle Lights for Road Safety, 1.5 Hrs Fast Charging Bike Light Cycling Headlights Set](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)
- [BEEWAY Bike Cover, Waterproof Bicycle Cover Indoor Outdoor Storage - 210T Nylon with Pu Coating, Safty Straps, Lock-holes, Fits for Most Bikes up to 29"](https://bargainpostbox.co.uk/visit/kryptonite-kryptolok-standard-u-lock-flex-cable)

## Images

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 1](https://bargainpostbox.co.uk/i/RTA635lgYACTVjlgk0lxlY_DH9N-e-mhNFlMBfF3lZkEhjKNRsPV3pjHSG26w-dpwwSjWoF_FhCcWtVMcFV-CGozKzr1l6drEnmvIHEtioONW7JzYGfrgHGh.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 2](https://bargainpostbox.co.uk/i/cQXoLcMFfRxPCaEB4YBmHRC1K0sv2p_ZfSnjvTVtl-OyjtkJ4NpDU2JhiDB8Me4uuIPaHDYsN86IUla-qpzS74vG_qezxA96eEWXITDw_OlmjpRWmeqk18th.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 3](https://bargainpostbox.co.uk/i/Go7ye9v146w5FLP3lN-5-YMlWrjF2y5cKb4F5pwfxE8YiIKuYEK-GUXrfMeWxq6JU4hvlUl2Tozzz8NyfOIrYZ7k7kz2rdynbkVFcbfJ_IrZFfXY6yGAbeU9.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 4](https://bargainpostbox.co.uk/i/IMi44gjHXoYRK8yrmDho3AltOyQFaxIHof29V3eYLYW05qRwwWbHmw2P198xXhDTlMeveGzxdw5hYKv7WO_v4Fs3DnHjVNKLpqOjnasWYIHNTQkWoP_VHETo.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 5](https://bargainpostbox.co.uk/i/TnjJaAX2xzOa_bVkRw6_vy_Vl4YriCX1VFTAcMpcsNDJn7X_O0-iq6NYxXwVRBWsfo453EKoMuO9pljFVqogzLDvS_Dx-2CboG1h3a2kge6FokYzDBmBnzWB.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 6](https://bargainpostbox.co.uk/i/czfvgus4ODg0wf5UfTNZCC4Jz4fjsmqRGmHuuMy22DLBkJLQMifFS-iGZJbgfBARn57pApEVsVHw_FQtb57XAN1WwE6Vob_UBAqPexLkbIbBmDazhoBO203B.jpg)

![Kryptonite KryptoLok Standard U-Lock with 4-Foot Flex Cable — 7](https://bargainpostbox.co.uk/i/4RUMXTTiZx-RTUkjnGGzsvbGF1zkPUOK4erwe2Hj-siT_sfYtthjeV9FMxzWzm5ivCi2qNWlByhm3K8DTaAU6pJ5ReuPgIwnA0gSHfxkhN_yQjagC7gwDs7P.jpg)