Kryptonite Keeper 712 Bike Chain Lock
4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door…
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
- •Those who want a top-rated option — in the top 17% of Bike Locks by rating
- •You're on a tight budget — $10 above the category average of $40
- •Lumintrail 4 Feet Bike Locks 2 Pack Heavy Duty Anti Theft — 60% cheaper at $20 (Score B)
- •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 Bike Chain Lock | Most Popular Kryptonite Evolution Mini-7 Bike U-Lock | Best Rated Seatylock Viking Bike Chain Lock | Best Value Lumintrail 4 Feet Bike Locks 2 Pack Heavy Duty Anti Theft | |
|---|---|---|---|---|
| Price | $49.96 | $102.59 | $64.98 | $19.99 |
| Rating | 4.6/5 | 4.5/5 | 4.7/5 | 4.2/5 |
| Reviews | 2,073 | 13,975 | 1,331 | 1,064 |
| Mubboo Score | B | B | B | B |
Quick Specs
- Color
- Black
- Shape
- catena
- Material
- Alloy Steel
- Lock Type
- Pin Tumbler
- Style Name
- Kryptonite Cadena Antirrobo Keeper 712-7mmx120cm Integrado 32" 001706 Black
- Unit Count
- 1.0 Count
- Item Weight
- 3.7 Pounds
- Finish Types
- Painted
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 CHAIN: Made from 7mm hardened steel with four-sided links, this bike lock provides maximum resistance against cutting and leverage attacks
- ✦PATENTED LOCKING SYSTEM: Features a high-security disc-style cylinder, resistant to picking and drilling, and a patented end link design that securely connects the chain to a harde…
- ✦PROTECTIVE FEATURES: Durable rubber coating around helps prevent scratching and wear and tear on your bike. Durable WEATHER-RESISTANT nylon sleeve prevents scratches
- ✦DURABLE DESIGN: Keeper 712 Integrated Chain extends up to 120cm (47.3 in) in circumference, crafted from 7mm hardened steel links. Heavy-duty bike lock weighs 1.70kg (3.75 lbs). In…
- ✦ATPO & KEYSAFE PROGRAM ELIGIBLE: Register to qualify for Kryptonite's Anti-Theft Protection Offer and KeySafe key replacement service
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 Bike Chain Lock earns Mubboo Score B. Priced at $50 — a premium option, above the category average of $40. Rated 4.6/5 from 2,073+ reviews. Strong buy if: buyers who prioritize quality over price in bike locks, those who want a top-rated option. 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 Bike Chain Lock worth buying in 2026?
It earns a Mubboo Score of B, with a 4.6/5 rating from 2,073 reviews — better than 83% of Bike Locks we track.
How much does the Kryptonite Keeper 712 Bike Chain Lock cost?
It is currently $49.96 — premium-tier pricing for Bike Locks.
How does the Keeper 712 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 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.