Bike theft can ruin your day in seconds. Imagine leaving your bike outside for just a few minutes, and when you return, it’s gone. I’ve experienced that frustration, especially with my beach cruiser for tall guys and vintage mountain bikes. A reliable lock is essential to protect your investment and peace of mind.
That’s why I chose the Master Lock 8271EURDAT. This review covers its features, strength, and versatility for securing anything from bike for college students to heavy outdoor gear.
You’ll see how this lock performs in security, durability, and ease of use. Whether you ride a 20×4 e bike tires or commute in urban areas wondering how long does it take to ride 60 miles, this lock is a practical choice. By the end, you’ll understand why I recommend it for daily protection and outdoor use.
Rating and Specifications
Security Level: 8.8 | Durability: 8.9 | Ease of Use: 9.6 | Build Quality: 8.5 | Value for Money: 9.2 | Lock Functionality: 8.6 | Portability: 9.7 | Locking Mechanism: 8.9 | Weather Resistance: 8.2 | Versatility: 9.3 | Works Well: 9.0
| Feature | Details |
| Cable Length | 4.5 m braided steel |
| Cable Diameter | 10 mm thick |
| Padlock Body | Covered laminated steel, 40 mm wide |
| Shackle Diameter | 9 mm hardened steel |
| Shackle Length | 29 mm |
| Anti-Pick Cylinder | 4-pin, prevents picking |
| Locking Levers | Dual locking for prying resistance |
| Cable Coating | Black vinyl protects against scratches |
| Padlock Cover | Black thermoplastic |
| Use Cases | Fence, gate, ladder, bike, outdoor furniture |
| Warranty | Limited lifetime |
Security & Durability
The Master Lock 8271EURDAT is one of the most secure cable locks I’ve used. The 10 mm braided steel provides excellent resistance to cutting and sawing, while the dual locking levers on the padlock add extra protection against prying or hammering. I use it for my bike for college students and even outdoor furniture, and it keeps everything safe.
Security Features
- Hardened steel shackle resists cutting and sawing.
- 4-pin cylinder prevents picking attempts.
- Vinyl-coated cable prevents scratches on your bike.
Materials and Construction:
- Shackle/Cable: 4.5 m braided steel cable, 10 mm thick, looped ends for flexibility.
- Lock Body: Laminated steel with thermoplastic cover for durability.
- Protective Coatings: Vinyl cable coating and padlock cover protect against scratches and weather damage.
| Security Factor | Master Lock 8271EURDAT |
| Cutting Resistance | High |
| Weather Resistance | Good |
| Anti-Theft Tech | 4-pin cylinder, dual levers |
| Durability | Long-lasting |
| Theft Deterrence | Strong visual and physical deterrent |
Ease of Use & Portability
Using the Master Lock 8271EURDAT is straightforward. Locking and unlocking is smooth with the included key, and the cable is flexible enough for folding bikes for heavy riders or folding bikes for tall riders.
| Aspect | Experience |
| Locking | Easy, smooth key turn |
| Unlocking | Quick and reliable |
| Portability | Wraps around frame or gear |
| Weight | Moderate, manageable for daily use |
| Installation | No tools required |
| Daily Convenience | Secures large or bulky items easily |
Even when commuting on a bicycle for lower back pain, the cable is simple to handle, and you can easily lock your bike along city routes, knowing how far can you drive in a bike lane without worrying about theft.
Design & Features
The design of the Master Lock 8271EURDAT is both functional and durable. The black vinyl coating protects your bike or gear from scratches while giving the cable a professional look. The laminated steel padlock with thermoplastic cover adds extra durability and resistance.
What’s in the box
- 4.5 m braided steel cable
- Laminated steel padlock
- Two keys
Bonus Features
- Anti-pick 4-pin cylinder
- Dual locking levers
- Weather-resistant coating
- Loop ends for versatile use
Specific Aspects
| Feature | Details |
| Weather Resistance | Vinyl and thermoplastic coatings protect from rain |
| Compatibility | Works with bikes, fences, gates, ladders, and furniture |
| Noise Level | Silent when moving or riding |
| Value for Money | Provides strong security for multiple uses |
This lock is great for all kinds of trips, including riding 20×4 e bike tires, camping, or long urban rides, giving strong protection wherever needed.
Included Accessories
- Mounting Bracket: This lock does not come with a bracket, but the cable’s looped ends make it easy to secure to poles or wrap around frames. It’s stable, flexible, and doesn’t require tools for installation.
- Cable: 4.5 m long braided steel cable, 10 mm thick, designed to secure bikes, gates, fences, ladders, or outdoor furniture. Strong, flexible, and protected by vinyl coating.
- Keys: Includes two standard cut keys. Smooth operation, compatible with the 4-pin cylinder, and the key cannot be removed unless fully locked.
Who is the Bike Lock For?
Ideal User Profile
The Master Lock 8271EURDAT is perfect for casual city cyclists, e-bike owners, or anyone needing moderate to high security. Its long, flexible cable is ideal for large or bulky items and provides easy portability. Budget-conscious users also benefit from strong protection without buying multiple locks.
Scenarios Where It Excels
It works well for quick stops in low-to-moderate risk areas, securing a secondary bike, locking gates, fences, or ladders. Also excellent for outdoor furniture or sports gear, giving reliable protection anywhere you need it.
Comparison with Other Bike Locks
| Feature | Master Lock 8271EURDAT | Standard Cable Lock | Heavy U-Lock |
| Security Level | High – braided steel, dual locking | Low – thin cable easily cut | Very high – rigid hardened steel |
| Weight | Moderate – flexible for carrying | Very light | Heavy, less portable |
| Flexibility | Excellent – loops around bikes, poles | Very flexible | Rigid, limited use |
| Weather Resistance | Good – vinyl & thermoplastic coatings | Moderate | Excellent |
| Ease of Use | Easy – lock and unlock smoothly | Very easy | Hard to carry |
| Cable Length | 4.5 m – long coverage | 1-2 m | N/A |
| Ideal Use | Bikes, fences, gates, outdoor gear | Low-risk stops | High-theft risk areas |
Pros and Cons
Pros
- Braided steel cable offers strong resistance to cutting.
- Protective vinyl coating prevents scratches on bikes easily.
- Flexible length makes it suitable for large or bulky items.
- Dual locking levers resist prying and hammering attempts.
- 4-pin cylinder prevents lock picking for extra security.
Cons
- No mounting bracket included for convenient storage.
- Slightly heavier than basic cable locks for portability.
FAQ
How long is the Master Lock 8271EURDAT cable?
The cable is 4.5 meters long, with a 10 mm braided steel thickness, making it versatile for bikes, fences, gates, and outdoor furniture. The protective vinyl coating prevents scratches, and looped ends allow easy securing. Ideal for multiple uses, including bike for college students or beach cruiser for tall guys.
Can I use the Master Lock 8271EURDAT with folding bikes for tall riders?
Yes! The flexible cable loops easily through frames and wheels of folding bikes for tall riders or heavy e-bikes. The 10 mm braided steel ensures security while remaining manageable to carry and lock.
Is the lock suitable for outdoor use?
Absolutely. The vinyl-coated cable and thermoplastic-covered padlock resist scratches and weather damage. Occasional cleaning keeps the Master Lock 8271EURDAT in top condition, protecting bikes, gates, or outdoor furniture from theft.
How heavy is the Master Lock 8271EURDAT?
It weighs moderately, slightly more than basic cable locks, but the flexibility and length make it easy to handle. I carry it comfortably on my daily commute or for securing bicycle for lower back pain models.
What items can the Master Lock 8271EURDAT secure?
It’s versatile. Perfect for bikes, fences, gates, ladders, outdoor furniture, or sports equipment. Ideal for long commutes or outdoor storage, giving peace of mind and excellent theft deterrence for multiple scenarios.
Final Verdict
The Master Lock 8271EURDAT provides high security with its 10 mm braided steel cable, 4-pin cylinder, and dual locking levers. Its long 4.5 m length and flexible looped ends make it versatile for bikes, fences, gates, ladders, and outdoor furniture.
While it lacks a mounting bracket and is slightly heavier than basic cable locks, the trade-off is worth the added security.
I recommend it for urban commuters, e-bike owners, or anyone seeking a strong, reliable lock for multiple uses, whether securing a vintage mountain bikes or protecting gear during outdoor activities.
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