Kryptonite Keeper 712 Combo Bike Chain Lock
4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in Bike Locks
- •You're on a tight budget — $6 above the category average of $40
- •Titanker Heavy Duty Bicycle Lock Chain offers a better rating (4.6/5) at a similar or lower price ($19)
- •Titanker Heavy Duty Bicycle Lock Chain — 59% cheaper at $19 (Score A)
- •Seatylock Viking Bike Chain Lock — higher rated at 4.7/5 ($65)
📊 Based on data analysis of 54 products in this category.
Mubboo Score: B-
How It Compares
This Product Kryptonite Keeper 712 Combo Bike Chain Lock | Most Popular Kryptonite Evolution Mini-7 Bike U-Lock | Best Rated Seatylock Viking Bike Chain Lock | Best Value Titanker Heavy Duty Bicycle Lock Chain | |
|---|---|---|---|---|
| Price | $46.33 | $102.59 | $64.98 | $18.99 |
| Rating | 4.5/5 | 4.5/5 | 4.7/5 | 4.6/5 |
| Reviews | 727 | 13,975 | 1,331 | 8,475 |
| Mubboo Score | B- | B | B | A |
Quick Specs
- Color
- Black
- Shape
- Round
- Material
- Alloy Steel
- Lock Type
- Combination Lock
- Style Name
- Chain Lock
- Unit Count
- 1.0 Count
- Item Weight
- 4.5 Pounds
- Finish Types
- Natural
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Check lock dimensions and length to ensure it fits your bike and the object you plan to lock to; for higher risk areas, consider a heavier-duty lock with higher security ratings.
- Ease of Use / Simple Operation
- Sturdy Build / Solid Security
- Suitable for Low-Risk / Quick Stops
- Convenient Combo/Key Features
- Size Limitations / Too Small for Some Bikes
- Mounting/Operation Issues (Plastic Mount, Fiddly Locking)
- Fabric Cover Deterioration
Expert Picks in Bike Locks
- Kryptonite Evolution Mini-7 — Most riders / everyday use
- Kryptonite New York Fahgettaboudit Mini — High-theft areas / urban commuters
- Hiplok D1000 — Maximum security / expensive bikes
- Hiplok D1000 — Overall top security pick
- Kryptonite New York Lock Standard — Urban commuters
- Abus Granit Super Extreme 2500 — E-bike owners
- Hiplok DX1000 — E-bikes / motorcycles needing large locking area
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 We Tested The 5 BEST Bike Locks Currently Available in 2025 — Cycling Weekly
- 📹 Best Bike Locks Tested: Which Survives A Grinder Attack? — Cycling UK
- 📹 Testing The World's Best Bike Locks — Francis Cade
Key Features
- ✦HEAVY‑DUTY ANTI‑THEFT BIKE CHAIN LOCK: Built with 7 mm four‑sided 3T manganese steel chain links, this heavy‑duty bike chain lock provides strong resistance against cutting and lev…
- ✦SOLD SECURE BRONZE RATED SECURITY: Certified by Sold Secure and rated a 5/10 on Kryptonite’s internal security scale, this lock meets Bronze‑level standards for resistance against …
- ✦4‑FT (120 CM) COMPACT & STRONG CHAIN DESIGN: The Kryptonite Keeper 712 Combo features a 4‑ft (approx. 120 cm / 47.2 in) length, offering the perfect balance of secure locking reach…
- ✦PROTECTIVE NYLON SLEEVE & WEATHER RESISTANCE: Includes a durable, weather‑resistant nylon sleeve to help protect your bike frame from scratches and paint damage, while shielding th…
- ✦CUSTOMIZABLE 4-DIGIT COMBINATION: Features a smooth, positive-indexing dial with a 4-digit resettable combination, giving you over 10,000 possible codes. It is fully backed by the …
Source: product listing on Amazon.
About Kryptonite
- 13 products in our database
- Average rating: 4.5/5 across all products
- Price range: $19.99 – $166.57
- Categories: Bike Locks
Other Bike Locks
Bottom Line
Kryptonite Keeper 712 Combo Bike Chain Lock earns Mubboo Score B-. Priced at $46 — a premium option, above the category average of $40. Rated 4.5/5 from 727+ reviews. Strong buy if: buyers who prioritize quality over price in bike locks. Skip if: you're on a tight budget — Kryptonite Evolution Mini-7 Bike U-Lock (Score B, $103) may fit better.
Frequently Asked Questions
Is the Kryptonite Keeper 712 Combo Bike Chain Lock worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.5/5 rating from 727 reviews — better than 48% of Bike Locks we track.
How much does the Kryptonite Keeper 712 Combo Bike Chain Lock cost?
It is currently $46.33 — premium-tier pricing for Bike Locks.
How does the Keeper 712 Combo Bike Chain Lock compare to other Bike Locks?
The category's most-reviewed alternative is the Kryptonite Evolution Mini-7 Bike U-Lock (4.5/5, 13,975 reviews, $102.59). The Keeper 712 Combo Bike Chain Lock carries a Mubboo Score of B- vs B.
Sources & References
- View on Amazon →
- wirecutter review →
- tomsguide review →
- techradar review →
- Browse all Bike Locks on Mubboo →
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-02) and may change.