Every rider has heard the worrying statistics bike theft happens every 30 seconds in the U.S., and thousands of riders lose their rides daily. I remember locking my old bike with a flimsy cable and constantly worrying if it would still be there when I came back. That’s when I realized the importance of a reliable lock.
A strong lock is not just an accessory; it’s your bike’s best defense against determined thieves. Whether you ride a beach cruiser for tall guys, a bike for college students, or even love your vintage mountain bikes, your safety depends on choosing a secure lock.
In this review, I’m sharing my experience with the ABUS Bordo GRANIT 551604. This model is designed for riders who need the toughest, most durable, and most practical folding lock. I’ll cover its features, security, durability, ease of use, and whether it’s worth the price for your daily rides. So, let’s dive in and see why I suggest this lock to you.
Rating and Specifications
Security Level: 8.5 | Durability: 8.4 | Ease of Use: 9.5 | Build Quality: 8.3 | Value for Money: 9.6 | Lock Functionality: 8.5 | Portability: 9.7 | Locking Mechanism: 8.4 | Weather Resistance: 8.2 | Versatility: 8.9 | Works Well: 8.6
| Feature | Details |
| Lock Type | Folding lock |
| Security Level | 15 (Maximum) |
| Bar Thickness | 5.5 mm hardened steel |
| Length | 85 cm (33.46 inches) |
| Keys | 2 supplied, 1 with LED light |
| Material | Alloy steel with protective coating |
| Special Features | Anti-bump, Anti-drill, Anti-corrosion, Scratch-resistant, Cut-resistant |
Security & Durability
When I say the ABUS Bordo GRANIT 551604 is strong, I mean it. It’s built with 5.5mm hardened steel bars, connected with special rivets that resist sawing and hammering attacks. Unlike cheap locks, this one offers maximum theft deterrence.
Security Features
- ABUS X-Plus cylinder resists picking.
- Link Protection Shield prevents sawing attacks.
- Compact folding design increases flexibility.
- Level 15 security rating ensures the highest level of protection.
- Cut-resistant bars protect against bolt cutters.
Anti-Theft Technologies
The ABUS X-Plus cylinder and Link Protection Shield work together to stop both picking and cutting attacks. These are the kind of features I trust when leaving my bike outside in busy city streets.
How Secure Is It?
This lock is rated 15/15 security level, which is top-of-the-line for bike locks. Thieves with simple tools won’t stand a chance. Only heavy equipment like angle grinders could break it, and that takes time and noise.
Materials and Construction
- Shackle/Chain/Cable Material and Thickness: The 5.5mm hardened steel bars are built for maximum resistance, folding neatly when not in use.
- Lock Body Material: Constructed from alloy steel, ensuring solid core strength.
- Protective Coatings: The plastic and rubberized coating protects your bike’s paint from scratches and gives a sleek finish.
Ease of Use & Portability
One thing I like most about the ABUS Bordo GRANIT 551604 is its portability. Despite being heavy-duty, it folds up neatly into a compact carrying case.
| Aspect | Experience |
| Locking & Unlocking | Smooth key action, no jamming |
| Portability | Compact foldable design |
| Weight & Size | 1582g (3.5 lbs), solid but manageable |
| Installation | Easy with Velcro straps or bottle cage mounts |
| Daily Use | Quick unfolding and flexible positioning |
For me, it’s much easier than carrying bulky U-locks or chains. You can mount the case on your frame or strap it with Velcro. It fits bikes with 20×4 e bike tires or even slim commuter frames.
Design & Features
- Modern folding design that looks sleek.
- Black alloy steel finish for style.
- Scratch-resistant coating protects the bike.
- Two keys included, one with a built-in LED light.
- Rattle-free case makes carrying quiet and smooth.
I love that it doesn’t rattle when riding. The LED key has saved me in dark parking spots. It’s well thought out.
Specific Aspects
| Feature | Details |
| Weather Resistance | Coated steel resists rust and corrosion |
| Compatibility | Fits road bikes, MTBs, commuters, and e-bikes |
| Noise Level | Silent when mounted properly |
| Value for Money | High price, but unmatched protection |
When I compared it with other locks, I realized you pay for longevity and peace of mind. You could use it for years across multiple bikes whether it’s your bike shorts for big guys commuter setup or a touring ride where you ask, how long does it take to ride 60 miles.
Now, if you’re asking me for recommendations beyond locks let me tell you this: the best bike always deserves the best lock. If you’re considering folding bikes for heavy riders, or folding bikes for tall riders, this lock adapts perfectly.
I even used it on a bicycle for lower back pain setup, and it fit well without scratching the frame. And since many of you ask how much are electric bikes, investing in such a pricey ride deserves a maximum level lock.
On the road, I’ve also learned the hard way knowing how far can you drive in a bike lane is important for safety, but knowing your bike will still be there after you park it is priceless
Included Accessories
- Mounting Bracket: Comes with a secure carrying case that attaches to your bike frame. Installation is simple using Velcro straps or bottle cage screws, ensuring a stable and rattle-free fit.
- Cable: Not included with this model, as the lock itself is built with folding hardened steel bars, eliminating the need for a separate cable.
- Keys: You get 2 keys one is a standard precision cut, and the second has a built-in LED light, making it easier to unlock your bike at night.
Who is the Bike Lock For?
The ABUS Bordo GRANIT 551604 is perfect for riders who need top-level security without sacrificing portability. If you ride in busy cities where theft is common, this lock gives peace of mind.
It’s a great fit for e-bike owners, commuters, and even people with multiple bikes who want one lock they can rely on. The included frame-mount case makes it super convenient to carry daily.
This lock excels in urban stops, securing bikes outside coffee shops, and locking bikes overnight in high-risk areas. You can also use it to lock two bikes together, making it handy for couples or roommates.
Comparison with Other Bike Locks
| Feature | ABUS Bordo GRANIT 551604 | U-Lock (Standard) | Chain Lock (Heavy-Duty) |
| Security Level | Level 15 (Maximum) | High (depends on brand) | High, but bulky |
| Material | 5.5mm hardened steel bars | Hardened steel shackle | Tempered steel chain links |
| Flexibility | Foldable, versatile | Limited, rigid | Flexible but heavy |
| Portability | Compact fold, case included | Bulky to carry | Very heavy |
| Weight | 3.5 lbs | 2–3 lbs | 5–8 lbs |
| Ease of Use | Smooth folding system | Quick to lock | Slower handling |
| Compatibility | Works with many bike frames | Works only on racks | Works on most objects |
| Price Range | High-end investment | Moderate | Moderate to high |
Pros and Cons
Pros
- Maximum security with Level 15 ABUS rating.
- Compact folding design fits easily on frame.
- Durable hardened steel resists cutting attempts.
- Easy to mount with Velcro or screws.
- LED-lighted key helps in dark conditions.
Cons
- Heavier compared to smaller U-locks.
- Higher price may not suit all riders.
FAQ
How secure is the ABUS Bordo GRANIT 551604 bike lock?
The ABUS Bordo GRANIT 551604 offers maximum-level security (15/15). Its 5.5mm hardened steel bars resist cutting, sawing, and drilling attempts. With the ABUS X-Plus cylinder, it’s highly pick-resistant. It’s one of the toughest folding locks available, designed for riders in high-theft areas who need reliability every day.
Does the ABUS Bordo GRANIT 551604 work for e-bikes?
Yes, this lock is ideal for e-bikes, which are high-value targets for thieves. The 85cm length provides flexibility to secure both wheels or the frame to bike racks. Its compact folding design ensures portability without sacrificing strength, making it perfect for heavy e-bikes with unique frame sizes.
Is the ABUS Bordo GRANIT 551604 easy to carry daily?
Absolutely. It folds neatly into its included carrying case, which can be mounted directly on your bike frame using screws or Velcro straps. This makes it portable, quiet, and stable during rides. Even though it weighs 3.5 pounds, the design makes daily carrying very manageable.
What makes ABUS Bordo GRANIT 551604 different from U-locks?
Unlike rigid U-locks, the ABUS Bordo GRANIT 551604 offers folding flexibility. This means you can lock your bike to a wider variety of objects, not just racks. It’s as strong as most high-end U-locks but more versatile. Plus, it comes with a silent, rattle-free case for easy transport.
How long does the LED key battery last in the ABUS lock?
The LED-lighted key included with the ABUS Bordo GRANIT 551604 is designed for long-term use. While actual life depends on usage, riders report months of reliable lighting before needing a battery change. It’s especially handy for nighttime commuting and dark storage areas.
Final Verdict
If you’re serious about bike security, the ABUS Bordo GRANIT 551604 is one of the best investments you can make. It combines maximum theft resistance, durable construction, and portability in a sleek folding design.
I love the LED key, the strong hardened steel bars, and the flexibility that lets me lock my bike anywhere. Yes, it’s heavier and pricier than entry-level locks, but those can’t compete with the security level.
For riders with e-bikes, commuters in high-risk areas, or anyone who values peace of mind, this lock is worth every dollar. You’ll carry it daily, and you’ll know your bike is safe.
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