A bicycle locked to a bike stand on a wet UK street at night.

D-locks and chains · UK

UK bike lock reviews and comparisons

We’ll help you pick a lock you’ll still take to work. It’s a small UK comparison of thirteen D-locks and chains: Sold Secure grade, whether it’ll close on your stand, and how heavy it is to carry.

A lock to start with

Hiplok D1000

Read the reviewSee on Amazon

Desk research from Sold Secure grades and published specs — not a hands-on cut test. How we research.

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Grade

Match the Sold Secure grade your policy names — often Gold, sometimes Diamond. Then check the insurer’s approved-lock list; a badge on its own isn’t always enough.

Fit

Measure your stand plus your frame before you buy — a Mini won’t close on every post. If a compact shackle already fails on your rack, look at a longer D-lock, a folding lock, or a home chain rather than a thicker Mini.

Carry

Pick a weight — or a frame clip — you’ll still take out of the house. A heavier Diamond lock left at home protects the bike less than a Gold lock you take every day.

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Find a lock

Answer three short questions — grade, where you lock up, and how you’ll carry — and you’ll get one suggestion from the locks we’ve reviewed. It’s a starting point, not a claim that one lock fits every bike.

What grade does your insurance ask for?

Where will you lock the bike?

Will you take the lock with you every day?

Answer the three questions

Tell us the grade you need, where you lock up, and how you’ll carry the lock. We’ll then suggest one lock from the set we’ve reviewed.

Lock DeskA lock to start with

A compact unbranded D-lock closed around a bicycle frame and a stand at dusk.Illustrative image

A lock to start with

We’ve narrowed the thirteen we’ve reviewed down to these on three things: Sold Secure grade, weight, and whether it’ll close round the stand you lock up at. The featured start is the Hiplok D1000 (Diamond for ordinary bikes and e-bikes, 1.93kg, 92 × 155 mm locking area) — measure the stand first; there’s no frame mount in the box.

Hiplok D1000

Why this one. Sold Secure Diamond for ordinary bikes and e-bikes, sold as anti-angle-grinder, 1.93kg, with a 92 × 155 mm locking area. We put it here because insurance often wants Diamond and it still packs into a bag.

Who it suits. Higher-value bikes and e-bikes parked in public, where Gold isn’t enough for your policy. If Gold is enough, a lighter lock may be easier to carry every day.

What to watch for. The locking area is small and there’s no frame mount in the box. Measure your stand and your frame before you buy.

Also worth a look. Hiplok DX1000 if you need the same Diamond grade with a larger 112 × 205 mm locking area and can carry 2.75kg.

Read the D1000 reviewSee on Amazon

D1000

Sold Secure Diamond

For high-theft streets — but only after you have measured the stand and confirmed the small shackle will close.

Read the reviewSee on Amazon

Granit XPlus 540

Diamond (ordinary bikes)

The long shackle makes this useful when a compact D-lock will not reach around the stand. It is Diamond rated for ordinary bikes, but check the e-bike grade if that applies to you.

Read the reviewSee on Amazon

X1

Sold Secure Diamond

When the policy names Diamond and you still need a weekday carry, start here — about 1.7kg.

Read the reviewNot currently available on Amazon UK

Seven locks on the shortlist, from the thirteen we’ve reviewed. Open the shortlist table

There are thirteen full reviews under bike lock reviews, including the Seatylock Mason 140 for Pedal Cycle Diamond at about 0.97kg, and the New York Fahgettaboudit Mini. The Mini is an 18 mm Sold Secure Gold lock at 2.06kg with no frame mount. For most daily commuting we’d point you to the Evolution Mini-7 instead, because it’s lighter and it includes a mount. If you’re still deciding, see alternatives to the New York Mini.

GuidesCommuting and insurance

Where to go next

  • How to choose a bike lock — Sold Secure Gold or Diamond, whether it’ll close on your stand, and whether you’ll carry it.
  • Best bike locks UK — Locks compared on grade, fit, and weight. No single best lock for everyone.
  • Bike lock reviews — Thirteen full reviews: who each lock suits, when another is a better fit, and the drawbacks.
  • Best lock for commuting — For most weekday riders on Gold, start with the Mini-7. Look at the X1 if the policy names Diamond.
  • Anti-grinder bike locks — What Diamond, locking area, and carry mean when a lock is sold against angle grinders.

Common questions

There’s no single best UK bike lock — match Sold Secure grade, fit and carry. The FAQ below covers Gold vs Diamond, insurer lists, and D-lock vs chain.

Is there one best bike lock in the UK?

No. The right lock matches the Sold Secure grade on your policy, closes on the stand you use, and is light enough that you still take it. Start with how to choose, then the best of table.

Gold or Diamond for insurance?

Read the wording you signed. Many UK household policies still name Gold. Some e-bike and high-value policies ask for Diamond. Then check the insurer’s approved-lock list. See best bike lock for insurance.

Are D-locks accepted by insurers?

Only when the Sold Secure grade matches your policy and, where the insurer publishes a list, the exact model is on that list. A badge alone isn’t always enough. See best bike lock for insurance.

D-lock or chain for a commute?

A compact D-lock for the station. A heavy chain for reach at home. D-lock vs chain explains why using both is common.