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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
- $0.40 price gap
- Product A has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 0.1-point score gap
- Product B has the higher research score, not a measured performance advantage.
- Specification coverage
- 13 of 18 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
GRIFEMA Keyed Bike Chain Lock, Heavy Duty Anti-Theft Security Lock, 4FT
- Potential fit
- Budget utility locking and secondary deterrence
- Trade-off to resolve
- Lacks independent testing standards like Sold Secure
Product B
Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike
- Potential fit
- Low-risk secondary locking and quick errand stops
- Trade-off to resolve
- Thin links yield quickly to cutting tools
Side-by-side evidence
18 of 18 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.6 | 4.5 |
| Price | $13.99 | $14.39 |
| Our score | 7.4/10 | 7.5/10 |
| Ratings count | 12,407 ratings | 12,966 ratings |
| Brand | GRIFEMA | Sportneer |
| Best for | Budget utility locking and secondary deterrence | Low-risk secondary locking and quick errand stops |
| Physical security | 6.0/10 | — |
| Build quality | 6.8/10 | — |
| Ease of use | 8.2/10 | — |
| Weatherproofing | 7.0/10 | — |
| Value | 8.8/10 | — |
| Link security | — | 5.8/10 |
| Locking mechanism | — | 7.2/10 |
| Finish protection | — | 8.0/10 |
| Portability and handling | — | 7.5/10 |
| Value proposition | — | 8.8/10 |
| Included Components | 1 x Anti-Theft Bicycle Lock, 1 x User Manual, 2 x Keys | no |
| Recommended Uses For Product | motorcycles, scooters, ebikes, skateboards, grills, ladders, doors, lawnmowers | 5-digit |
| Number of Pieces | 3 | 1 |
| Model Number | GA1201-12 | SP-Bikelock |
| Model Name | GA1201-12 | SP-Bikelock |
| Item Type Name | bike chain lock with key | lock |
| Additional Features | Anti-Corrosion, Cut Resistant, Portable, Scratch-Resistant, Weather Resistant | Anti Theft,Anti-theft,Heavy Duty,Resettable |
| Lock Type | 1.Key Lock-4FT | Combination Lock |
| Controller Type | Hand Control | Not recorded |
| Control Method | Touch | Not recorded |
| Style Name | Key lock | Not recorded |
| Brand Name | GRIFEMA | Sportneer |
| Number of Items | 1 | 1 |
| Manufacturer | Ibergrif Griferias,S.L | Sportneer |
| Unit Count | 1 Count | 1 Count |
| Manufacturer Part Number | GA1201-12 | 43205-21875 |
| Number of Packs | Not recorded | 1 |
| Manufacturer Warranty Description | Not recorded | warranty |
| Our verdict | A keyed mechanism provides slightly better physical reliability than cheap combination dials in bad weather. However, the steel gauge and lock body remain entry-level, offering limited defense against sustained attacks with hand tools. Treat this as supplemental locking rather than standalone protection for an expensive e-bike. | At roughly eleven dollars, this chain lock functions purely as a low-level opportunistic deterrent. The thin chain links offer negligible resistance against manual bolt cutters and pry attacks. It should never serve as primary security for an e-bike or valuable commuter. |
| 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.
- Amazon listing: GRIFEMA Keyed Bike Chain Lock, Heavy Duty Anti-Theft
- Amazon listing: Sportneer Bike Lock: 5 Digit Combination High Security
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