The Five-Second Fix for the Most-Stolen Thing on Your Bike

You lock the frame. You lock the wheels. Then you hang your expensive helmet on the handlebars and walk away — because what else are you going to do with it? The West Biking Portable Helmet Lock answers that question. It is a keyless 3-digit combination cable that threads straight through your helmet’s vents, loops around the frame, and ratchets tight in about five seconds. Dial the code, press the button, and your helmet is still there when you get back.

It is deliberately simple. A zinc-alloy lock body, an ABS combination dial, and a widened stainless-steel bar inside a long, adjustable nylon strap. No keys to lose, no app to charge, nothing to forget in your other jacket. You scramble three dials and it is locked; you dial your number and it opens. The strap feeds through the ventilation slots on virtually any bike, eBike, or motorcycle helmet, so it works with the lid you already own.

Be clear-eyed about what it is: a portable deterrent for quick stops — the convenient layer that stops the opportunist, not a hardened U-lock for the bike itself. Used that way, it is one of the most useful few-dollar accessories you can clip to your bag. Colour: Black. Free Canada-wide shipping.

🇨🇦 Ships from Canada · Free Canada-wide shipping · Questions? 1-866-938-7580 — real humans answer

Key Features

• Keyless 3-Digit Combination — Nothing to lose, nothing to fish out of a pocket with cold hands. Dial three numbers, press the button, done. The code is resettable, so you can change it to something you will actually remember — a birth year, a house number, anything that is yours.
• Threads Through Helmet Vents — The long, adjustable strap is built to feed straight through the ventilation slots on virtually any bike, eBike, or motorcycle helmet, then loop around a frame tube, rack, or fork. No bracket to mount, no fixed length to fight — it ratchets to fit thin and thick anchor points like a cable tie.
• Zinc-Alloy Body + Stainless-Steel Bar — The lock housing is zinc alloy and there is a widened, thickened stainless-steel bar inside the mechanism for strength. The combination dial is ABS. It is built to take being knocked around in a bag and to shrug off rain and road spray without rusting.
• Five-Second On, Five-Second Off — This is the whole point. A helmet lock only works if it is faster than carrying the helmet. Thread, push to ratchet, scramble the dials — you are walking away in seconds, and opening it is just as quick.
• Genuinely Portable — Lightweight and packable. Clip it to your bag, drop it in a jersey pocket, or leave it looped on the bars. It is the lock you have with you because it weighs almost nothing — which is exactly why you will actually use it.
• Multi-Purpose — Not just for helmets. The same keyless cable works as a light secondary lock for a pannier or bag, a gate or shed latch, a skateboard, or sports gear at the rack. One small lock, a dozen quick jobs.
• Weatherproof for Canadian Riding — Zinc, stainless steel, ABS, and nylon all handle the cold, wet, and salt of a Canadian riding season. A drop of light lube on the dials a couple of times a year keeps it turning smoothly through winter. Winter riding guide →

What’s Included

• West Biking portable helmet lock (Black) — 1 unit
• Keyless 3-digit resettable combination cable
• Quick-start instructions for setting your code

What You Should Know Before Buying (Honest Take)

• It is a deterrent, not a fortress. A lightweight combination cable will stop the opportunist who walks off with an unsecured helmet — it will not stop a determined thief with cutters. That is true of every helmet lock on the market, and it is the right tool for the job: securing a helmet during a coffee stop, not chaining a bike overnight downtown.
• Do not use it as your only bike lock. Lock the frame and wheels with a proper primary lock. This is the convenient second layer. For the full approach — primary lock, secondary cable, and a hidden tracker for recovery — read our eBike theft-protection guide.
• Three dials = 1,000 combinations. That is appropriate for a helmet lock and not meant to be bank-vault maths. It defeats the casual grab; it is not a high-security credential. Set a code that is not 000 or your house number on a visible mailbox, and you are fine.
• Set and test your code before you rely on it. Reset the combination to your own number and open it a few times at home first, so the first time you trust it is not in a parking lot in the rain.
• Colour is Black only. One clean, understated finish. If you were hoping for options, this is the trade-off for keeping it simple and inexpensive.

Full Specifications

Exact strap length and weight vary slightly by production run; if you need a precise measurement before ordering, call 1-866-938-7580 and we will confirm the current stock.

Who Is This Lock For?

• Commuters and errand riders — You stop a dozen times a week — work, coffee, the store, the gym. This is the lock that means you never have to choose between carrying your helmet inside and gambling that it will still be on the bars when you come out.
• eBike owners with a pricey helmet — A good lid is a real investment. Securing it takes five seconds and saves you the worst kind of small theft — the one that happens because the helmet was the only thing left unlocked.
• Anyone building a layered security setup — If you already run a primary lock — a heavy-duty U-lock or foldable chain — this is the easy add-on that covers the helmet and gives you a light second tether. The Zeus theft-protection system walks through the full three-layer approach, including recovery trackers.
• Riders who hate keys — Nothing to lose, nothing to forget, nothing to charge. Set your number and go.
• Multi-sport and shared-rack users — Skateboards, ski poles, gym bags, a folded bike at the office — the keyless cable is handy far beyond the helmet.

Who this lock is NOT for: Anyone looking for a primary lock to secure a bike or eBike on its own — this is a deterrent cable, not a hardened U-lock or chain, and it should never be the only thing protecting the frame. If you want real frame security, look at the heavy-duty U-lock or the keyless 5-digit code lock. And if you leave a bike locked outdoors overnight in a high-theft area, no cable lock at this size is enough on its own — build the full layered system instead.

How It Fits Your Security Setup

Good eBike security is layered, not single. Think of three jobs, and match the tool to each:

This lock owns Layer 2 — the quick, everyday job that the big locks are too slow and too heavy to bother with. For the full strategy, including which locks actually resist cutters and how thieves really operate, read the Zeus eBike Theft Protection Canada guide →

Shipping & Delivery

• Shipping: Free Canada-wide shipping
• Delivery: Standard Canada-wide delivery as per Zeus shipping policy
• Tracking: Tracking email sent once shipped
• Support: If it arrives defective, we will make it right — see our return policy or call 1-866-938-7580

Frequently Asked Questions

How secure is it — can it replace my bike lock?

No, and we will be straight with you about that. This is a lightweight, portable combination cable built to deter a grab-and-go theft of your helmet (or to add a light second tether) during a quick stop. It is not a hardened U-lock and should not be your only lock for the bike itself. Treat it as the convenient layer that stops the opportunist; lock the frame and wheels with a proper primary lock, and follow the full layered theft-protection system.

How does the 3-digit combination work, and can I set my own code?

It is keyless — nothing to lose. Thread the strap through your helmet vents and around the frame, push it in until it ratchets tight, then scramble the three dials. To open, dial your code and press the release button. The combination is resettable, so set a number you will remember. Three dials give 1,000 possible codes — the right amount for a helmet lock.

What is it made of, and will it survive Canadian weather?

Zinc-alloy lock body, ABS combination dial, and a widened stainless-steel bar inside, on a long adjustable nylon strap. Those materials handle rain, road spray, and cold without rusting. A drop of light lubricant on the dials once or twice a season keeps it turning smoothly through winter.

Will it fit my helmet and bike?

Almost certainly. The strap is long and adjustable and feeds through the ventilation slots on virtually every bike, eBike, and motorcycle helmet, then loops around a frame tube, rack, or fork. Because it ratchets to length like a cable tie, it snugs down on thin and thick anchor points alike. If your helmet has unusually closed venting, feed the strap through the chin-strap buckle instead.

Can I use it for anything besides my helmet?

Yes. The same keyless cable works as a light secondary lock for a pannier or bag, a folded bike, a gate or shed latch, a skateboard, or sports gear at the rack. It is the small lock you keep clipped to your bag for when a full-size lock is overkill — still deterrent-grade, so do not rely on it as the only thing securing something valuable.

Do I even need to lock my helmet?

If you ride to work, the gym, the trailhead, or the store, a good helmet is expensive and awkward to carry once you are off the bike — so most riders dangle it from the bars, where it is the easiest thing to steal. A helmet lock fixes that in five seconds. And since helmet rules vary by province, keeping your helmet with the bike means you always have it for the ride home — see our Canadian eBike laws guide for the rules where you ride.

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Zeus eBikes Canada — Free Canada-wide shipping on every order. Questions before you buy? Call 1-866-938-7580 or email milad@zeusebikes.ca — real humans answer.

Related products and guides:

• eBike Code Lock (5-Digit) — keyless cable lock for the bike →
• Heavy-Duty U-Lock — primary frame security →
• WEST BIKING 2-in-1 Chain + U-Lock →
• West Biking 50L Double Pannier Bag →
• Shop all eBike accessories →
• eBike Theft Protection Canada (2026) — the 3-layer system →