Tool
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
- $1.47 price gap
- Product B has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 0.6-point score gap
- Product A has the higher research score, not a measured performance advantage.
- Specification coverage
- 14 of 15 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
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
Product B
Master Lock 6 ft Cable Bike Lock 4-Digit Combination 1/2 in Diameter 8122D
- Potential fit
- Tethering quick-release wheels to a frame
- Trade-off to resolve
- Cable core remains vulnerable to mechanical cutting tools
Side-by-side evidence
15 of 15 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.5 | 4.6 |
| Price | $14.39 | $12.92 |
| Our score | 7.5/10 | 6.9/10 |
| Ratings count | 12,966 ratings | 7,320 ratings |
| Brand | Sportneer | Master Lock |
| Best for | Low-risk secondary locking and quick errand stops | Tethering quick-release wheels to a frame |
| 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 | 8.2/10 |
| Security level | — | 3.5/10 |
| Build quality | — | 6.8/10 |
| Reach and flexibility | — | 8.5/10 |
| Mechanism usability | — | 7.5/10 |
| Included Components | no | One adjustable cable lock, two keys |
| Recommended Uses For Product | 5-digit | Bike |
| Number of Pieces | 1 | 1 |
| Model Number | SP-Bikelock | 8122D |
| Model Name | SP-Bikelock | 8122D |
| Number of Packs | 1 | 1 |
| Item Type Name | lock | Bike Cable Lock |
| Additional Features | Anti Theft,Anti-theft,Heavy Duty,Resettable | Anti Theft, Heavy Duty, Resettable |
| Lock Type | Combination Lock | Not recorded |
| Brand Name | Sportneer | Master Lock |
| Manufacturer Warranty Description | warranty | Limited Lifetime Warranty |
| Number of Items | 1 | 1 |
| Manufacturer | Sportneer | Master Lock |
| Unit Count | 1 Count | 1 Count |
| Manufacturer Part Number | 43205-21875 | 8122D |
| Our verdict | 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. | With a 1/2-inch outer diameter and a six-foot reach, this cable provides greater mechanical bulk and locking flexibility than thinner utility cords. It loops comfortably through both wheels and a post, though it remains susceptible to dedicated bolt cutters. It works best as an auxiliary tether paired with a hardened U-lock. |
| 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 10, 2026.
- Amazon listing: Sportneer Bike Lock: 5 Digit Combination High Security
- Amazon listing: Master Lock 6 ft Cable Bike Lock 4-Digit Combination
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