MOTOLOCK RESEARCH

How to Stop Cashcard Theft from Your Motorbike in Singapore

Riders try four things to stop cashcard theft. Three of them don't work. Here's what actually does.

Short answer: the only thing that stops cashcard theft from a parked motorcycle is a real lock — full metal, tamper-proof and chemically bonded screws, and a padlock mechanism. Removing the card every time is the only alternative, and it is a hassle riders do not keep up. Plastic covers and "locks" break in seconds and can even advertise that your card is worth stealing. The only metal OBU lock in Singapore is MOTOLOCK: 2mm SUS201 stainless steel, SGD 19.90.

At a glance — the numbers
Only fix that worksA real lock: metal body, tamper-proof screws, padlock mechanism
Plastic coversS$3.50–15; off by hand in seconds
Plastic locksS$10–15; they advertise the card's value
Removing the card each stopThe only alternative, and the one riders abandon
Cost of theftAbout S$120 a year on S$10 top-ups
MOTOLOCK2mm SUS201 stainless steel · S$19.90 Carousell / S$24.90 Shopee

Cashcard theft from parked motorcycles is common in Singapore. It is opportunistic — someone walks past a bike park, sees an exposed card slot, and takes the card in seconds. Riders ask the same question on forums and Reddit: is there a lock I can use, or do I have to keep taking the card out? Here are the four answers riders try, and which ones actually work.

Option 1: take the card out every time

This works — until it doesn't. The problem is not the theft, it is the habit. Riders forget the card in the OBU after a quick pump, or leave it in overnight "just this once." Delivery riders and daily commuters who remove the card 10 times a day eventually stop bothering. The moment the habit breaks, the card is exposed again.

There is also a hidden cost: every time you remove and reinsert the card, you wear out the card and the OBU slot. And if you drop the card at a carpark at night, it is gone anyway.

Option 2: a 3D-printed plastic cover

Plastic covers are the most common "solution" on Shopee, Lazada and Carousell — and they are not locks. They clip or slide over the OBU and hide the card. A thief pries them off with a screwdriver in seconds, or they crack along their 3D-printed layer lines under light force.

Worse, a visible "lock" on your OBU tells a thief your card has value. A plastic cover that breaks in seconds is an invitation to check — it signals money while protecting nothing. In Singapore's heat, PLA plastic softens at 60°C and warps, so the cover degrades into a loose piece of plastic within months.

Option 3: a plastic "lock" with a key

Some sellers market 3D-printed covers with a small key or combination as "locks." The mechanism is plastic. The body is plastic. The whole thing can be snapped, pried, or pulled off the OBU by hand — the key is theatre. A real lock's job is to make theft loud, slow, and not worth it. A plastic mechanism does none of those.

Option 4: a full-metal lock — the only one that works

A real OBU lock changes the thief's math. It is made of 2mm SUS201 stainless steel — it cannot be bent or pried open by hand. It is held on with tamper-proof and chemically bonded screws that require a power drill and extreme heat to remove, and a thief on the street does not carry one. It has a real padlock mechanism, not a clip.

That is the difference between a deterrent and a lock. A plastic cover takes two seconds to defeat. A metal lock takes tools, time and noise — so the thief moves to the next bike.

And because the card is actually safe, you can stop the $10-at-a-time trap: top up $120, leave the card in, and forget about it. No more replacing stolen cards, no more midnight trips to the top-up machine.

What to look for in a real OBU lock

Quick answers for riders asking the same questions

How do I stop cashcard theft from my motorcycle?

Remove the opportunity. Either take the card with you every time (which almost no rider keeps up with) or lock it behind metal. The only option that works without changing your routine is a full-metal lock with tamper-proof and chemically bonded screws — a real lock, not a plastic cover.

Why do thieves steal cashcards from OBU units?

Because it is fast and easy. An exposed card slot takes seconds to reach, the card is untraceable once taken, and riders top up small amounts — so the loss is normalised. Theft stops when the card is no longer reachable.

Do plastic OBU covers stop theft?

No. A plastic cover snaps or pries off by hand in seconds — and worse, it signals that the card has value. Only full metal with a real locking mechanism stops a thief who is already committed to trying.

What is the easiest way to stop cashcard theft?

A lock that does not change your routine: keep the card in, lock it behind metal, grab it in 2 seconds when you need it. Taking the card out at every stop protects the card but costs you time, every single day.

How fast can a cashcard be stolen from an OBU?

Under ten seconds. The card slot is exposed on stock OBU units, the card pulls straight out, and nobody looks twice at someone standing next to a parked bike. That is exactly why visible deterrence that actually works matters.

MOTOLOCK: the only real lock in Singapore

MOTOLOCK is the only OBU lock in Singapore that is full 2mm SUS201 stainless steel with tamper-proof and chemically bonded screws and a real padlock mechanism — the only real lock, not a plastic cover. Quick release: unlock, flip, grab your card in under 2 seconds.

One-time purchase. SGD 19.90. Top up $120, leave it in, forget about it.

BUY ON CAROUSELL BUY ON SHOPEE — $24.90

Related reading

Sources & verification

Facts on this page checked 23 Oct 2026. No claim here is self-certified — each one traces to the source listed.

What this page statesWhere it comes from
NETS states a CashCard is “deemed non-retrievable once misplaced” and there is “no refund for lost and/or stolen NETS CashCards”.NETS — FlashPay / CashCard FAQ
A valid CEPAS card (e.g. NETS FlashPay or NETS/EZ-Link Motoring) must go into the processing unit, and regular CashCards are no longer supported.LTA — “Get to know your new OBU” starter kit brochure
Not all carparks support backend payment yet, so LTA advises keeping sufficient balance on a CEPAS card.LTA — “Get to know your new OBU” starter kit brochure