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Compare two products
Pick any two products from our reviews and see specifications, price, buyer ratings and our scores in one table.
Recorded evidence
What separates these listings
- Price snapshot
- $47.29 price gap
- Product A has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 1.0-point score gap
- Product B has the higher research score, not a measured performance advantage.
- Specification coverage
- 14 of 14 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft Heavy Duty Anti-Theft Lock
- Potential fit
- Securing mid-value bikes in moderate-risk areas
- Trade-off to resolve
- Short reach limits locking to wider posts
Product B
Kryptonite Evolution Mini-7 Bike U-Lock, 13mm Steel Shackle, 4 ft Cable
- Potential fit
- Daily urban commuting on standard bicycles
- Trade-off to resolve
- Compact shackle limits anchor point selection
Side-by-side evidence
14 of 14 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.6 | 4.5 |
| Price | $51.94 | $99.23 |
| Our score | 7.0/10 | 8.0/10 |
| Ratings count | 11,599 ratings | 14,258 ratings |
| Brand | Kryptonite | Kryptonite |
| Best for | Securing mid-value bikes in moderate-risk areas | Daily urban commuting on standard bicycles |
| Build quality | 7.6/10 | — |
| Security level | 5.2/10 | — |
| Portability | 6.8/10 | — |
| Lock cylinder design | 7.4/10 | — |
| Frame protection | 8.0/10 | — |
| Shackle security | — | 8.5/10 |
| Locking versatility | — | 7.2/10 |
| Portability & mounting | — | 7.8/10 |
| Weather resistance | — | 8.0/10 |
| Value for money | — | 8.3/10 |
| Included Components | Bicycle Lock | U-Lock Bicycle |
| Recommended Uses For Product | Security | Security, Bike security, Scooter Security, EBike Security |
| Number of Pieces | 1 | 3 |
| Model Number | 720018000853 | 720018002079 |
| Model Name | Kryptonite Keeper 785 Integrated Chain | Evolution Mini-7 U Lock w/ KryptoFlex 410 Double Looped Cable |
| Number of Packs | 1 | 1 |
| Item Type Name | Kryptonite Keeper 785 Integrated Bicycle Lock Chain Bike Lock, 33.5-Inch, Black | Bicycle Lock |
| Additional Features | Portable | Cut Resistant |
| Brand Name | Kryptonite | Kryptonite |
| Manufacturer Warranty Description | No information | Limited Lifetime Warranty |
| Number of Items | 1 | 1 |
| Manufacturer | Kryptonite | Kryptonite |
| Unit Count | 1 Count | 1 Count |
| Manufacturer Part Number | 000853 | 2079 |
| Our verdict | The 7mm manganese steel links provide a tangible upgrade in physical security over hardware-store chains. The 2.8-foot length is somewhat restrictive, requiring careful positioning against bike racks and street anchors. It strikes a pragmatic balance between portability and daytime deterrence for mid-value bicycles. | The 13mm hardened steel shackle offers dependable mid-tier deterrence for everyday urban stops, while the secondary cable secures quick-release front wheels. Its compact dimensions limit attachment options around thick street poles and utility posts. For higher-value e-bikes left unattended for long periods, consider pairing it with a heavier secondary chain. |
| Pros and cons |
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Prices and buyer ratings are captured snapshots. A dash means the detail was not recorded, not that a feature is absent. Editorial scores are research assessments, not laboratory measurements.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: September 22, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 8, 2026 – Nov 12, 2026.
- Amazon listing: Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft Heavy
- Amazon listing: Kryptonite Evolution Mini-7 Bike U-Lock, 13mm Steel
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