By kazimladimeji 
Whether you’re securing a commuter bike, high-end road bike or e-bike, choosing the right U-lock (D-lock) could mean the difference between peace of mind and a stolen ride. ABUS is one of the most respected names in bike security, offering a range of U-locks from lightweight everyday locks to armoured heavy-duty security solutions.
In this guide, we review the top ABUS U-locks — including the ABUS Granit XPlus 540, ABUS Granit Extreme 59, ABUS Granit Super Extreme 2500, and more — then compare them to help you find the best choice for your needs.
🏆 Best ABUS U-Locks at a Glance
| Lock | Security Level | Best For | Features |
|---|---|---|---|
| ABUS Granit Super Extreme 2500 | 15 | Heavy duty / e-bikes | Hardened steel, saw & grinder resistance |
| ABUS Granit XPlus 540 | 15 | Premium bike security | 13mm shackle + XPlus cylinder |
| ABUS Granit Extreme 59 | 20 (Max) | Motorbike & high-value bikes | Extra large, highest U-lock rating |
| ABUS Granit Plus 640 | 12 | Everyday bikes | Light & strong with TexKF bracket |
| ABUS Ultimate 420 | 12 | Budget high-security | Good value with bracket |
🚲 ABUS U-Lock Reviews
ABUS Granit™ Super Extreme 2500/165HB230 — Heavy Duty Lock for Bikes & E-Bikes
Security Level: 15
Best For: High-value bikes, frequent risk environments, e-bikes
The ABUS Granit Super Extreme 2500 sits at the top end of ABUS’s heavy-duty U-lock lineup. With a large hardened steel shackle and a security level 15 rating, it’s engineered to withstand even determined attacks with angle grinders, bolt cutters and saws. The robust XPlus locking cylinder adds extra resistance to picking and drilling.
✔ Extremely tough construction
✔ Great choice for e-bikes and high-risk locations
✘ Heavier and less portable than lighter models
Who it’s for: Cyclists who want maximum security without stepping all the way up to chains or folding locks.
👉 Buy ABUS Granit™ Super Extreme on Amazon: https://amzn.to/3YNY2Xu
ABUS Granit XPlus 540 U-Lock — Premium Bike Security
Security Level: 15
Best For: Road bikes, e-bikes, city commuters
The ABUS Granit XPlus 540 is one of the most popular U-locks from ABUS thanks to its outstanding balance of security, weight and practical size. With a 13mm thick shackle and the premium XPlus cylinder, it resists picking, sawing and physical attacks. The included USH bracket makes transporting it easy and secure.
✔ Excellent all-round security
✔ Trusted XPlus cylinder technology
✔ Bracket included
✘ Slightly heavier than compact locks
Who it’s for: Everyday cyclists and commuters who want premium security without too much bulk.
👉 Buy ABUS Granit XPlus 540 U-Lock on Amazon: https://amzn.to/4qrr6Qx
ABUS Granit Extreme 59 — Highest Security U-Lock
Security Level: 20 (Maximum)
Best For: Motorbike security, high-value bikes
When only the best will do, the ABUS Granit Extreme 59 delivers. Rated 20, it’s one of the strongest U-locks available — comparable to hardened chain locks for theft resistance. Its extra-large size and powerful XPlus cylinder deter both opportunistic and professional thieves.
✔ Massive security rating
✔ Ideal for motorbikes and expensive e-bikes
✘ Heavy and relatively expensive
Who it’s for: Riders who want a lock that instils confidence in very high-theft areas.
👉 Buy BUS Granit Extreme 59 on Amazon: https://amzn.to/4bDSeHt
ABUS Granit Plus 640 — Balanced Everyday Security
Security Level: 12
Best For: Everyday bikes, moderate risk environments
The ABUS Granit Plus 640 combines a solid security level with a relatively lightweight design. Its round shackle and smart bracket system make it convenient for commuting or quick stops in urban areas. Level 12 is strong for everyday needs but not designed for high-risk theft zones.
✔ Lighter and more portable
✔ Strong enough for most urban use
✘ Not as robust as Granit XPlus or Extreme models
Who it’s for: Commuters who want secure protection without heavy chains.
👉 Buy ABUS Granit Plus 640 on Amazon: https://amzn.to/3LJ8Jrk
ABUS Ultimate 420 — Value-Focused Heavy Duty U-Lock
Security Level: 12
Best For: Budget-minded cyclists
The ABUS Ultimate 420 is a dependable budget option that still offers solid protection. With a round shackle and a simple yet secure design, it’s a good choice for everyday use, though not as tough as higher-end Granit locks.
✔ Affordable without compromising basic security
✔ Bracket included
✘ Lower protection than premium U-locks
Who it’s for: Cyclists who want a reliable starter U-lock without spending top-tier money.
Buy ABUS Ultimate 420 on Amazon: https://amzn.to/3YKuI47
🔑 ABUS U-Lock Buyer’s Guide
Choosing the best U-lock comes down to security needs, portability and how you plan to use it.
🛡 1. Security Level (Important!)
ABUS uses a security rating — generally from level 4 up to 20.
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12: Good everyday protection
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15: High level for regular theft risk
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20: Elite protection for high-value bikes and motorbikes
For most cyclists in urban environments, a level 15 U-lock like the ABUS Granit XPlus 540 or Super Extreme 2500 is excellent. If you’re locking a premium e-bike or motorcycle, consider the Granit Extreme 59 with its level 20 rating.
🧰 2. Shackle Size Matters
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Compact shackles are harder for thieves to leverage, but check if they fit your locking points (bike frame + immovable object).
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Larger shackles offer more flexibility to lock through wheels and frames but can be heavier.
🧠 3. Cylinder Technology
The XPlus cylinder is ABUS’s premium choice for anti-pick and anti-drill performance. If theft resistance is a priority, aim for locks with XPlus technology.
🚴 4. Brackets & Transport
Most ABUS U-locks include a mounting bracket, which makes riding with them much easier. Always check whether a bracket is included.
💰 5. Price vs Protection
You generally get what you pay for:
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Level 12 locks are solid for daily low-risk use.
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Level 15 is ideal for higher-value bikes or frequent city parking.
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Level 20 is best where security threat is high (expensive bikes, motorbikes, overnight parking in busy areas).
❓ ABUS U-Lock FAQs
What is an ABUS U-lock (D-lock)?
An ABUS U-lock, sometimes called a D-lock, is a hardened steel bicycle lock shaped like a ‘U’ that secures your bike frame and wheel to a fixed object. They are widely regarded as one of the most secure types of bike locks.
Is the ABUS Granit XPlus 540 good?
Yes. The ABUS Granit XPlus 540 is one of the most popular high-security U-locks with a security level 15 rating and a thick 13mm shackle. It’s ideal for everyday urban bike security and e-bikes.
How strong is the ABUS Granit Extreme 59?
The Granit Extreme 59 features the highest security level 20, making it one of the toughest U-locks available — suitable for high-risk locations and expensive bicycles or motorbikes.
What is the best U-lock for an e-bike?
For e-bikes and higher-value bikes, consider a high security level (15+) U-lock such as the ABUS Granit XPlus 540 or Super Extreme 2500. The Extreme 59 is even stronger if maximum protection is needed.
Do U-locks come with brackets?
Many ABUS U-locks — including the Granit XPlus 540 and Ultimate 420 — come with a transport bracket for easy bike mounting.
🏁 Final Recommendation
If security is your top priority:
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⭐ Best All-Round: ABUS Granit XPlus 540
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🔒 Heavy-Duty & Versatile: ABUS Granit Super Extreme 2500
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🛡 Maximum Security: ABUS Granit Extreme 59
For everyday commuting with good protection and portability:
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💡 Best Value: ABUS Granit Plus 640
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👍 Great Budget Choice: ABUS Ultimate 420