Accessories

E-Bike Locks

U-locks, folding locks and chains rated for higher-value bikes.

An e-bike is worth several times what a typical pedal bike is, and thieves know it. The battery alone can be a meaningful resale item. That changes the math on locks: a cable lock that was barely adequate for a department-store bike is simply not adequate for a 1,500 to 3,000 dollar e-bike left outside a coffee shop in Frisco Square or at a DART station. The right approach is a hardened U-lock or heavy chain as your primary lock, a secondary lock or cable for the wheels and accessories, and a habit of locking the frame to something that cannot be lifted or cut.

Lock ratings help cut through marketing. Sold Secure (UK) grades locks Bronze, Silver, Gold and Diamond, and many now carry a specific Powered Cycle or e-bike rating. ART (Netherlands) uses a star scale where two stars is a reasonable bicycle minimum and three or more stars is suited to higher-value bikes. For an e-bike, look for Sold Secure Gold or better, or ART three stars or better. Unrated locks may be fine, but you are taking the manufacturer's word for it.

No lock is uncuttable; the goal is to be harder than the bike next to you and to make a thief need a loud, slow tool. A 14 to 18 mm hardened shackle defeats bolt cutters and forces an angle grinder, which is noisy and draws attention. Pair that with a cable or second lock for the front wheel and seat, remove the battery and display if they detach, and register the bike's serial number. That combination stops the large majority of opportunistic theft.

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E-Bike LocksFeatured

Kryptonite Evolution Mini-7 U-Lock with FlexFrame Bracket

The Evolution Mini-7 is the practical middle ground: a 13 mm hardened shackle that resists most bolt cutters, a 7-inch opening that actually fits around a wheel and rack, and a frame bracket so it rides on the bike instead of in a backpack. Many listings bundle a braided cable for the front wheel. It is lighter than the New York series and a good match for a commuter e-bike worth one to two thousand dollars parked in moderate-risk spots. For overnight outdoor parking in a city you will want to step up to an 18 mm shackle or pair this with a chain.

Best for: Daily commuters in suburban and campus settings · Riders who want the lock mounted to the frame · Mid-value e-bikes

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E-Bike LocksFeatured

Kryptonite New York Fahgettaboudit Mini U-Lock

This is the lock to buy when the bike costs more than the rent. The Fahgettaboudit Mini uses an 18 mm hardened steel shackle with a double-deadbolt crossbar, which puts it in the small group of locks that shrug off bolt cutters and force attackers to use a grinder and time. The mini shackle is deliberately small so there is little room to fit a jack or pry bar. The trade-off is that small opening: you will not lock both frame and wheel to a fat pole with it, and it is heavy enough that many owners leave it at the office rack and carry something lighter for quick stops.

Best for: High-value e-bikes locked outdoors · Urban and campus parking with theft pressure · Riders who leave the bike in one spot all day

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E-Bike Locks

ABUS Bordo Granit XPlus 6500 Folding Lock

Folding locks solve the problem U-locks have on e-bikes: fat tubes, rear racks and awkward parking posts. The Bordo 6500 uses thick hardened-steel links with protected rivets, packs into a holster that bolts to bottle bosses or straps to the frame, and opens wide enough to wrap a wheel, frame and pole together. It is among the strongest folding locks tested, though any folding design still gives up some security to a good 18 mm U-lock at the rivets. For e-bikes parked during the workday or at a campus rack, the combination of reach and carry convenience is why it sells so well.

Best for: E-bikes with fat tubes that U-locks cannot reach around · Commuters who want a lock that lives on the frame · Locking to odd-shaped racks and posts

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E-Bike Locks

ABUS Granit XPlus 540 U-Lock

ABUS's Granit XPlus 540 is a favorite among shop mechanics because it hits a sweet spot: a 13 mm square-profile shackle that is tougher than its diameter suggests, a lock body that is noticeably lighter than 18 mm monsters, and an XPlus disc cylinder that resists picking well. It comes in a couple of shackle lengths, and the longer one is handy for e-bikes with fat downtubes and wide racks. ABUS includes a frame bracket. It is one of the highest-rated locks in its weight class, making it a solid pick for commuters who want better-than-average protection without carrying a dumbbell.

Best for: Commuters who park in mixed-risk areas · Riders who dislike the weight of 18 mm locks · E-bikes with wide tubes that need a longer shackle

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E-Bike Locks

Foldylock Compact Folding Lock

The Foldylock Compact is a lighter, less expensive folding lock that still earned a Sold Secure rating and comes with a tidy frame case. It is a good match for riders who stop at shops and cafes several times a day and want something they will actually reach for instead of rolling the dice on a cable. The links open wide enough for most e-bike frames plus a wheel and a rack, and the keyed cylinder is better than the bargain folding locks flooding the market. It is not in the same class as the ABUS 6500 for serious theft pressure, so treat it as a mid-risk lock.

Best for: Quick stops and errands · Suburban and campus parking · Riders who want light weight over maximum security

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E-Bike Locks

Hiplok D1000 Angle Grinder Resistant U-Lock

The D1000 exists because angle grinders became the default theft tool for e-bikes. Hiplok bonded a ceramic composite material to the shackle that eats cutting discs, so instead of ten seconds and one disc, a thief needs multiple discs and minutes of noise. It is compact, heavy, and expensive, which is exactly the recipe for a lock that stays at your highest-risk parking spot. The shackle opening is small, similar to the Fahgettaboudit Mini, so it secures the frame and rear wheel to a slim post at best. If your e-bike lives locked outside in an area with grinder theft, this is the category to shop.

Best for: Premium e-bikes locked in high-theft urban areas · Riders who have already lost a bike to a grinder · Fixed-location daily parking

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How to choose e-bike locks

Independent rating

Prefer locks with a Sold Secure Gold, Diamond, or Powered Cycle rating, or an ART rating of three stars or higher. These are destructive tests by third parties rather than manufacturer claims. If a lock has no rating, judge it by shackle diameter and hardened-steel construction.

Lock type

U-locks offer the best security per dollar and pound. Folding locks are convenient and fit odd shapes but usually rate lower for the same weight. Hardened chains with a padlock are the most flexible and most secure at the top end, but heavy. Cable locks are only for wheels and accessories, never as the primary lock.

Shackle size and fit

Measure how you will lock your specific bike. Fat-tire frames and wide rims need a longer or wider shackle to capture the frame, rear wheel, and a rack. Too much empty space inside a U-lock gives leverage attacks room to work, so do not go bigger than you need.

Carrying and mounting

A lock you leave at home does nothing. Check the frame mount, or plan to carry it in a pannier or rack bag. Heavy chains are best left at a regular destination and paired with a lighter lock on the bike.

Keys and cylinders

Disc-detainer or high-security cylinders resist picking and bumping better than cheap wafer cylinders. Look for a key-replacement program, and consider a combination secondary lock so a lost key does not strand you.

Installation considerations

Lock the frame, not just a wheel, to a fixed object that cannot be lifted over or unbolted. Capture the rear wheel inside the shackle where possible.
Keep the lock off the ground and keyhole facing down; it makes leverage attacks and lock picking harder.
Use a cable or second lock for the front wheel and seatpost, and take the battery and display with you when they detach.

Frequently asked questions

Is one good U-lock enough for an e-bike?

One rated U-lock through the frame and rear wheel is the core of a solid setup. Add a cable or second lock for the front wheel and remove the battery if it is detachable. For long stays in higher-risk spots, two different lock types force a thief to bring two tools.

What do Sold Secure and ART ratings mean?

Both are independent testing schemes that attack locks with real tools and time limits. Sold Secure runs Bronze through Diamond plus dedicated Powered Cycle grades; ART uses one to five stars. For an e-bike, Gold or three stars is a sensible floor.

Can an angle grinder cut any lock?

Given enough time, yes. Premium locks with grinder-resistant shackles can take several discs and minutes of noise, which is the point; most thieves move on. Combine a strong lock with a visible location and short parking times.

Should I lock my e-bike in my own garage?

If the garage is shared, opens frequently, or is visible from the street, yes. Garage theft is common. A heavy chain anchored to a wall or floor point is ideal for a fixed home location.

Do frame locks that immobilize the rear wheel work?

A cafe or frame lock stops someone riding away but not someone lifting the bike into a truck. Treat it as a quick-stop convenience and always pair it with a lock to a fixed object for anything longer than a minute.