Electric bikes are a significant investment, and choosing the right lock is critical to protecting that investment. We researched and compared the most popular locks on the market, evaluating them against published security standards like Sold Secure and ART, as well as aggregated owner feedback from thousands of reviews. Our evaluation focuses on real-world performance, portability, and value, not lab tests. Here are the seven best locks for electric bikes, each with honest strengths and weaknesses.

Photo Product Score Buy
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Kryptonite New York Fahgettaboudit Mini U-Lock
Best Overall Security
Sold Secure Diamond rated, 14mm hardened steel shackle, double deadbolt locking mechanism
9.0 🛒 Check Price
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Hiplok D1000
Best Angle Grinder Resistance
Graphene-reinforced composite body, 12mm hardened steel chain, Sold Secure Diamond rated
8.8 🛒 Check Price
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Abus Granit X-Plus 540 U-Lock
Best Premium Build
16mm hardened steel shackle, ABUS X-Plus cylinder, Sold Secure Diamond rated
8.5 🛒 Check Price
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OnGuard Brute STD U-Lock
Best Value Security
16mm hardened steel shackle, double deadbolt, Sold Secure Gold rated
8.2 🛒 Check Price
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Kryptonite Evolution Series 4 1090 Integrated Chain
Best Chain Lock
10mm hardened steel chain, vinyl cover, disc lock cylinder, Sold Secure Gold rated
8.0 🛒 Check Price
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ABUS Bordo Granit X-Plus 6500 Folding Lock
Most Portable High-Security
Folding lock with 5.5mm hardened steel bars, ABUS X-Plus cylinder, Sold Secure Gold rated
7.8 🛒 Check Price
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Master Lock Street Cuff 8290DPF
Best for Quick Stops
Dual-hinge cuff design, 12mm hardened steel, dual locking cylinders
7.3 🛒 Check Price

1. Kryptonite New York Fahgettaboudit Mini U-Lock: Best Overall Security

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In our evaluation, the Kryptonite New York Fahgettaboudit Mini U-Lock stands out as the top choice for maximum security. It is Sold Secure Diamond rated, the highest consumer lock rating, and owner feedback consistently praises its ability to withstand angle grinder attacks that defeat lesser locks. The 14mm hardened steel shackle and double deadbolt mechanism make it a fortress for your e-bike. However, its weight (over 4 pounds) is a real drawback for riders who prefer to carry a lock in a bag or pocket.

This lock is best for urban commuters who park in high-theft areas overnight or for long periods. Skip it if you prioritize portability or have a lightweight e-bike where every pound matters. The included bracket helps, but it still adds bulk to the frame.

  • Industry-leading Sold Secure Diamond rating provides maximum protection against angle grinders and bolt cutters
  • 14mm hardened MAX-Performance steel shackle resists cutting and prying
  • Includes a disc-style cylinder and double deadbolt for pick and twist resistance

Pros: Extremely resistant to angle grinder attacks; Compact and easy to carry with included bracket
Cons: Heavy at over 4 pounds; not ideal for carrying in a backpack

2. Hiplok D1000: Best Angle Grinder Resistance

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The Hiplok D1000 redefines portable security with its graphene-reinforced composite body that, according to independent testing, can withstand angle grinder attacks for over 90 seconds. Based on owner feedback, this lock provides peace of mind in high-theft areas without the bulk of a traditional U-lock. The 12mm hardened steel chain is covered with a fabric sleeve to prevent scratches, and the wearable design lets you carry it around your waist.

However, the chain is still heavy (around 3.5 pounds) and the wearable feature may feel unbalanced on longer rides. This lock is ideal for riders who need to lock up in high-risk locations and want a carry solution that doesn’t require a bag. Skip it if you prefer a traditional U-lock or need to lock multiple bikes at once.

  • Graphene-reinforced composite material resists angle grinder cutting for over 90 seconds
  • 12mm hardened steel chain with fabric sleeve to protect bike paint
  • Wearable design allows locking around the waist for hands-free carrying

Pros: Exceptional angle grinder resistance backed by independent tests; Wearable design makes carrying easy
Cons: Chain is heavy and can be awkward to wear for long rides

3. Abus Granit X-Plus 540 U-Lock: Best Premium Build

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The Abus Granit X-Plus 540 is a premium U-lock that we found to be one of the most well-constructed locks on the market. The 16mm hardened steel shackle is thicker than most competitors, and the ABUS X-Plus cylinder is designed to resist picking, bumping, and drilling. Owner feedback often highlights its solid feel and long-term durability, even in harsh weather. However, its weight (over 4.5 pounds) and high price point limit its appeal.

This lock is best for e-bike owners who prioritize build quality and are willing to carry extra weight. Skip it if you are on a strict budget or need a lock that is easy to transport on shorter trips.

  • 16mm hardened steel shackle offers extreme cut resistance
  • ABUS X-Plus cylinder with electronic key protection prevents picking and bumping
  • Double locking mechanism secures both sides of the shackle

Pros: Superior build quality and corrosion resistance; Key cylinder is highly pick-resistant
Cons: Very heavy (over 4.5 pounds) and expensive

4. OnGuard Brute STD U-Lock: Best Value Security

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The OnGuard Brute STD offers a thick 16mm hardened steel shackle at a more accessible price point than many competitors. In our evaluation, it provides Sold Secure Gold level security, which is sufficient for most urban environments. Owner feedback appreciates the double deadbolt and the included key replacement program. However, the lock is heavy (over 4 pounds) and some users report the mounting bracket breaking over time.

This lock is a great choice for budget-conscious e-bike owners who still want robust protection. Skip it if you need a lightweight lock or plan to mount it on a carbon frame where bracket damage could be an issue.

  • 16mm hardened steel shackle rivals premium locks at a lower price
  • Double deadbolt locking mechanism resists pry attacks
  • Includes a mounting bracket and two keys with a key replacement program

Pros: Excellent security for the price; Thick shackle provides confidence
Cons: Heavy and the mounting bracket can be flimsy

5. Kryptonite Evolution Series 4 1090 Integrated Chain: Best Chain Lock

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The Kryptonite Evolution Series 4 1090 Integrated Chain provides the versatility of a chain lock with solid Sold Secure Gold rated security. The 10mm hardened steel links are covered in a durable vinyl sleeve to prevent scratches, and the disc lock cylinder offers decent pick resistance. Owner feedback highlights its convenience for locking to trees, poles, or multiple bikes. However, the chain weighs about 4 pounds and can be messy to stow.

This lock is ideal for e-bike owners who need to lock up in varied locations or want to secure multiple bikes together. Skip it if you prefer a compact U-lock or need a lock that fits in a small bag.

  • 10mm hardened steel chain offers flexibility in locking to various objects
  • Vinyl cover protects bike paint from scratches
  • Disc lock cylinder with pick and bump resistance

Pros: Flexible locking options compared to U-locks; Good balance of security and weight
Cons: Chain is heavy and can be cumbersome to carry

6. ABUS Bordo Granit X-Plus 6500 Folding Lock: Most Portable High-Security

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The ABUS Bordo Granit X-Plus 6500 is a folding lock that balances portability with solid Sold Secure Gold rated security. Its 5.5mm hardened steel bars fold into a compact case that can be mounted on a bottle cage or carried in a pocket. Owner feedback praises its convenience for quick stops, but some users note that the rivets connecting the bars can be vulnerable to angle grinders and that the lock may develop rust in wet climates.

This lock is best for e-bike commuters who make short stops in moderate-risk areas and value portability over maximum security. Skip it if you park overnight in high-theft zones or need a lock that withstands heavy rain without maintenance.

  • Folding design compacts into a small case for easy transport
  • 5.5mm hardened steel bars connected with rivets offer cut resistance
  • ABUS X-Plus cylinder provides high pick resistance

Pros: Very portable and easy to carry in a bag or bottle cage; Good security for its size
Cons: Rivets can be a weak point; some users report rust over time

7. Master Lock Street Cuff 8290DPF: Best for Quick Stops

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The Master Lock Street Cuff 8290DPF is a convenient cuff-style lock that simplifies locking both wheels and the frame. Its dual-hinge design wraps around the bike and a post quickly, making it ideal for short stops. Owner feedback appreciates its ease of use and the deterrent factor of its visible steel. However, based on our research, the 12mm steel is not as resistant to bolt cutters as thicker U-locks, and the lock’s overall security is rated lower.

This lock is suitable for low-risk areas or quick errands where convenience is key. Skip it if you park your e-bike in high-theft locations overnight or need a lock that can withstand sustained attacks.

  • Unique cuff design allows locking both wheels and frame easily
  • 12mm hardened steel shackles with dual locking points
  • Coated with weather-resistant finish to prevent rust

Pros: Very easy to use and quick to lock up; Good visibility and deterrent effect
Cons: Less secure than U-locks or heavy chains; vulnerable to bolt cutters

Frequently Asked Questions

What lock rating should I look for an electric bike?

For electric bikes, we recommend at least a Sold Secure Gold rating or equivalent. Many e-bikes are high-value targets, so a Diamond rating is even better for overnight parking in urban areas. Always check the lock’s rating against published standards.

Is a chain lock or U-lock better for an e-bike?

U-locks generally offer higher security per weight because of their rigid design and thicker shackles. Chain locks provide more flexibility in locking to irregular objects. For e-bikes, a high-quality U-lock is often preferred for maximum security, but a heavy-duty chain can be a good alternative if you need to lock to trees or multiple bikes.

Should I use two locks for my electric bike?

Yes, using two different types of locks (e.g., a U-lock and a chain) can deter thieves because they require different tools to break. Many e-bike owners use a primary high-security lock and a secondary lock for the front wheel or seat. This layered approach is recommended in high-theft areas.

How do I carry a heavy lock on an e-bike?

Most locks come with mounting brackets that attach to the frame. Alternatively, you can carry a lock in a backpack, pannier, or use a wearable lock like the Hiplok D1000. Consider the weight distribution and ease of access when choosing a carrying method.

Can a portable angle grinder cut through any bike lock?

Portable angle grinders can cut through most consumer locks given enough time. However, locks with thicker hardened steel (e.g., 16mm) or specialized materials like graphene-reinforced composites take much longer to cut, often deterring thieves. No lock is 100% proof, but higher-rated locks significantly increase the effort required.

Our Verdict

After researching and comparing the top locks for electric bikes, our top pick is the Kryptonite New York Fahgettaboudit Mini U-Lock for its unbeatable Sold Secure Diamond security and proven angle grinder resistance. For those who prioritize portability without sacrificing protection, the Hiplok D1000 is an excellent runner-up with its innovative wearable design and exceptional cut resistance.