# Kryptonite Kryptolok Standard U-Lock with 4 ft Cable

Source: https://www.ranked10.co.uk/fitness/best-bike-locks/kryptonite-kryptolok-u-lock
Ranked #3 in "Best Bike Locks 2026: 10 Ranked, Diamond Beats Gold on Price": https://www.ranked10.co.uk/fitness/best-bike-locks

- Price: £38.75 (checked on Amazon UK on 2026-09-19)
- Amazon rating: 4.5 from 6,017 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B06XCLTVPQ?tag=ranked10-21

The Kryptonite Kryptolok Standard U-lock with 4-foot Flex Cable takes #3 in this guide at £38.75. It is the dearer of the two Kryptonite locks here, and it is the one whose Anti-Theft Protection Offer is quoted in sterling: the bullet reads 'Optional ATPO - £1,000', while the £18.03 Combo U-lock in the same guide quotes that same Kryptonite programme as 'up to $500'. The listing carries 4.5 out of 5 from 6,017 ratings, Sold Secure Bicycle Gold certification, and Kryptonite's own score of 6/10 on its security scale. Best Sellers Rank is given as 4 in Cycling U-Locks.

The ad is also loose about what is actually in the box. The title says 'w/4-foot Flex Cable' and a bullet says 'Complete solution with U-lock and cable', yet the specification fields read Number of Pieces: 1 and Included Components: Locks. No key count appears anywhere in the listing, and a few fields look like placeholders: Controller Type is 'Hand Control', Manufacturer is 'MDSL4' and Unit Count is '1 unité'.

Everything on this page comes from the Amazon listing, not from testing we carried out, so the certification, the security score and the offer amount are the seller's claims rather than our own measurements.

## Specification

| Field | Value |
|---|---|
| Price | £38.75 |
| Rating | 4.5 out of 5 (6,017 ratings) |
| Sold Secure certification | Bicycle Gold |
| Kryptonite security scale | 6/10 |
| Anti-Theft Protection Offer | Optional, £1,000 |
| Best Sellers Rank | 4 in Cycling U-Locks |
| Number of Pieces (as listed) | 1 |
| Included Components (as listed) | Locks |

## Questions people ask

**What security certification does the Kryptolok carry?**

The listing states Sold Secure Bicycle Gold certification and rates the lock 6/10 on Kryptonite's own security scale.

**Does the Kryptolok come with a cable?**

The listing is inconsistent here. The title says 'w/4-foot Flex Cable' and a bullet says 'Complete solution with U-lock and cable', but the specification fields read Number of Pieces: 1 and Included Components: Locks.

**What does the Anti-Theft Protection Offer cover?**

The bullet reads 'Optional ATPO - £1,000'. The listing gives no further terms, and unlike the cheaper Combo U-lock in this guide, this one quotes the figure in sterling.

**How much does the Kryptolok cost?**

The listing price is £38.75, where it holds 4.5 out of 5 from 6,017 ratings.

**How many keys are supplied?**

The listing never states a key count. It carries a 'Key Safe Program' bullet instead, and no specification field covers keys.

**How long is the warranty?**

The Manufacturer Warranty Description field reads 2 years.