I remember the first time I heard about a friend’s vintage mountain bikes being stolen in broad daylight. It was shocking to realize that even in safe areas, bike theft happens far too often. That’s why having a strong, reliable lock is not just a convenience it’s a necessity.
I want you to experience the same peace of mind I do whenever I leave my bike outside. The problem with most locks is that they can be easily cut, picked, or bypassed. A weak lock doesn’t just risk your bike; it also risks your beach cruiser for tall guys, your daily commute, and even your confidence in public parking.
I’ve tried countless locks over the years, and many fell short when it came to combining portability with maximum security.
That’s why I’m excited to talk about the ABUS Granit 640 U-Lock. This lock is designed to keep your bike safe with hardened steel construction, advanced locking technology, and a compact yet strong design.
I’ll guide you through its features, durability, ease of use, and why it stands out for anyone serious about bike security. By the end, you’ll know if this lock suits your bike for college students or even your high-end e-bike with 20×4 e bike tires.
Features and Specifications
| Feature | Specification |
| Lock Type | Key Lock (ABUS Plus cylinder) |
| Shackle Diameter | 12 mm hardened steel round shackle |
| Security Level | 12 |
| Lock Body Material | Alloy Steel |
| Coating | Soft-touch protective coating |
| Keys | 2 keys supplied, 1 with LED light |
| Bolt Mechanism | Double bolting, 4 times per shackle |
| Dimensions | 5.5 x 8.25 x 1.25 inches |
| Weight | 1 lb 14.3 oz |
| Mounting | Requires ABUS mounting kits |
| Compatibility | Most bike frames, folding bikes for heavy riders and folding bikes for tall riders |
Security & Durability
The ABUS Granit 640 U-Lock offers unmatched security for both everyday use and high-risk areas. I use it daily, and it feels reassuringly heavy and solid in my hands. Its hardened steel shackle resists cutting, twisting, and torsion attacks. The lock body and supporting mechanisms are made of special alloy steel, giving extra durability without being overly bulky.
Security Features
- ABUS Plus cylinder prevents picking
- Shackle double bolted into the lock body
- Temper-hardened steel for shackle, case, and mechanism
- Soft-touch coating protects your bike paint
- Compact size for easy mounting
Durability Table
| Component | Material / Feature |
| Shackle | 12 mm hardened steel |
| Lock Body | Alloy steel with soft coating |
| Bolts | Double-bolted for extra security |
| Keys | LED-equipped for low-light use |
| Resistance | Industry-leading against twisting and cutting |
The lock’s anti-theft technologies work together to ensure your bike stays safe. The double bolting of the shackle into the lock body, combined with hardened steel, makes it extremely tough to breach.
Ease of Use & Portability
I love that the ABUS Granit 640 U-Lock balances security and convenience. Locking and unlocking is smooth, thanks to the ABUS Plus cylinder, which reduces fumbling even at night. Though it’s strong, the lock is still lightweight at under 2 pounds, so I can carry it easily or mount it using ABUS-approved brackets.
| Feature | Description |
| Locking | Smooth, key turns easily |
| Weight | 1 lb 14.3 oz, manageable |
| Mounting | Compatible with ABUS Shackle Clamp & TexKF-Mini |
| Portability | Compact enough for commuting |
Even on my daily rides with my bicycle for lower back pain, I don’t feel weighed down. It’s perfect for city commutes, long rides, or securing my bike shorts for big guys along with other gear.
Design & Features
The ABUS Granit 640 U-Lock is sleek and functional. Its soft-touch coating prevents scratches on your frame. The U-lock design ensures tight security without unnecessary bulk. Inside the box, you get the lock and two keys (one with LED).
Bonus features include a code card for replacing keys. It’s compatible with a range of frames, making it versatile for your best bike or commuting setups.
Specific Aspects
| Feature | Details |
| Weather Resistance | Alloy steel and coating prevent corrosion |
| Compatibility | Fits most frames including vintage mountain bikes |
| Noise Level | Minimal rattling during rides |
| Value for Money | Affordable relative to security level |
This lock is especially useful for anyone wondering how far can you drive in a bike lane, as it keeps your bike safe when parking in public. I’ve also considered how long does it take to ride 60 miles on my commutes, and having a reliable lock means I don’t stress about leaving my bike. For e-bike users, I’ve tested it with 20×4 e bike tires, and it locks both the frame and rear wheel securely.
Even if you ask how much are electric bikes, pairing a strong lock like this ensures your investment stays protected. It’s practical, lightweight, and offers peace of mind whether you’re riding a beach cruiser for tall guys, commuting with a bike for college students, or enjoying a retro ride on vintage mountain bikes.
This is your comprehensive overview of the ABUS Granit 640 U-Lock and why I recommend it for serious cyclists and e-bike owners
Included Accessories
- Mounting Bracket: Comes with ABUS Shackle Clamp and TexKF-Mini lock carrier for secure and stable bike attachment. Easy to install and keeps lock firmly in place.
- Cable (if applicable): Not included, but compatible cables up to 12 mm can secure wheels or accessories. Provides additional versatility if needed.
- Keys: Two keys supplied, one with LED for night use. Includes ABUS code card for key replacement or duplication. High-quality standard keys for convenience and security.
Who is the Bike Lock For?
The ABUS Granit 640 U-Lock is perfect for urban cyclists, daily commuters, and e-bike owners who want maximum security without carrying excessive weight. Its compact design makes it ideal for students, professionals, or anyone riding a bike for college students.
It also suits riders who commute long distances or live in moderate-risk areas and need peace of mind when leaving their bike unattended. If you ride a beach cruiser for tall guys, a vintage mountain bike, or even use 20×4 e bike tires, this lock secures your frame and rear wheel reliably. It excels for quick stops, running errands, or complementing a secondary lock for added protection.
Comparison with Other Bike Locks
| Lock Model | Security Level | Weight | Features | Price |
| ABUS Granit 640 U-Lock | 12 | 1 lb 14.3 oz | Hardened steel shackle, ABUS Plus cylinder, soft coating | $84.54 |
| Kryptonite New-U Standard | 10 | 2 lbs | Alloy steel shackle, keyed lock | $65.00 |
| OnGuard Bulldog Mini | 11 | 2.2 lbs | Hardened steel, double-bolt locking | $72.50 |
| ABUS U-Lock Granit Extreme 2500 | 15 | 5 lbs | Extra thick shackle, anti-saw protection | $249.84 |
| Hiplok Lite | 8 | 1 lb 12 oz | Lightweight, wearable, flexible chain | $59.00 |
Pros and Cons
Pros
- Extremely strong lock resists cutting and twisting attacks
- Lightweight enough for easy daily commuting
- ABUS Plus cylinder prevents picking and tampering
- Soft-touch coating protects your bike’s paint finish
- Includes LED key and code card for replacements
Cons
- Requires separate mounting kit for full convenience
- Slightly pricey compared to basic U-locks
FAQ
What makes ABUS Granit 640 U-Lock more secure than standard locks?
The ABUS Granit 640 U-Lock combines a 12 mm hardened steel shackle with a double-bolted ABUS Plus cylinder. This design prevents cutting, twisting, and picking. The soft coating protects your bike while maintaining durability. Police and insurance companies recommend it for high-value bikes, making it a reliable choice for daily commuting or e-bikes.
Can this lock fit e-bikes with large tires?
Yes, the ABUS Granit 640 U-Lock is compatible with many e-bikes, including models using 20×4 e bike tires. Its compact but strong design allows secure locking of the frame and rear wheel to standard racks, ensuring optimal protection.
Does ABUS provide replacement keys for this lock?
Yes, every ABUS Granit 640 U-Lock comes with two keys and a code card. The card allows you to order replacement or duplicate keys from ABUS easily, maintaining convenience and security without replacing the entire lock.
Is this lock suitable for students and casual riders?
Absolutely! Its lightweight design and ease of use make it perfect for a bike for college students. It balances security and portability, so you can lock and unlock quickly between classes or errands.
Can this lock be mounted on any bike frame?
Yes, it works with most standard frames. For optimal convenience, ABUS recommends using their Shackle Clamp and TexKF-Mini Lock Carrier. The lock fits beach cruisers for tall guys, vintage mountain bikes, and most commuting bikes securely.
Final Verdict
I’ve been using the ABUS Granit 640 U-Lock for months, and it truly delivers on strength, durability, and convenience. The hardened steel shackle, double-bolt locking, and ABUS Plus cylinder offer top-notch security, while the soft-touch coating protects your bike’s finish.
It’s lightweight and portable, ideal for students, commuters, or anyone riding a bicycle for lower back pain. Although it’s slightly more expensive than basic U-locks and requires a mounting kit for full convenience, the peace of mind it offers is worth it.
Whether you’re riding a beach cruiser for tall guys, a vintage mountain bike, or a daily commuter with folding bikes for heavy riders or folding bikes for tall riders, this lock ensures your bike stays safe.
If you’re curious about how much are electric bikes or how far can you drive in a bike lane, pairing them with this lock provides security that lets you focus on the ride instead of theft worries.
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