Where can I use reLock?

The voice alarm system works anywhere. If you want to use Push/SMS notifications, your phone and reLock will need to be in range of the GSM network.

Can I use reLock in any weather?

reLock can work under temperature conditions from -20 to +40°C (-4 to +104ºF). reLock is also water resistant and can be used in rain and light snow.

Which phones are supported?

reLock is compatible with iOS and Android devices that have Bluetooth 4.0 and are running iOS 7.0 or later (iPhone 4S, 5/5C/5S, 6/6S, 6/6S Plus, SE) or Jelly Bean (4.3) or newer (Android).


How loud is the voice alarm?

The voice alarm is loud enough to draw the attention of people passing by at a distance of 10-20 meters (30-65 feet).

Can I get false alarms?

Our intelligent system distinguishes between the normal movements of a lock or bicycle in a cycle rack or parking facility and the constant action of a thief. Like any other security system, we cannot eliminate false alarms completely, but in this way, we keep them to a real minimum.

What's to stop a thief breaking reLock?

reLock is made using high-tech polymers and metal inserts in attackable areas. As such, it is a single monolithic structure and is protected from rapid hacking and destruction.

How is reLock protected against jamming of GSM signals?

Firstly, it is important to understand that you cannot jam a GSM signal with simple materials such as foil. Special devices have to be used - mobile jammers. For these situations, we use a special jamming-detection technology and reLock alerts passers by to the attempt via the voice alarm system. In addition, reLock will broadcast an alert via Bluetooth. Smartphones of other cyclists in the vicinity will detect this alert and forward it to you.

Can reLock be hacked?

reLock uses 256-bit elliptic curve cryptography for key exchange and 128-bit AES as a block cipher. Hacking this is near impossible. It would be easier to cut the lock.

Power supply

How can I recharge reLock?

reLock has a micro-USB port.

How long does the battery last without being recharged?

A fully charged battery runs for 1-2 weeks with regular use.


How much will reLock cost?

The exact price is still unknown, but we can say for sure that reLock will cost less than a quality U-lock. The estimated price is $50-80.

Why do I need to make monthly payments to use reLock?

The alarm constantly uses a 3G network, where traffic is paid. Therefore, we have to pass on these costs to users.

If I rarely use my bike and don't want to pay for a whole month?

We are creating a special daily plan to suit you.