Anti-theft insert for Hexlox bicycle screws
Anti-theft insert for Hexlox bicycle screws
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Worried about getting you to steal important parts from your precious bike? The anti-theft system Hexlox for bike is the best way to effective protection of saddle wheels or handlebar.
Simple, light and elegant, this solution is near universal.
Indeed, most of the spare parts of your bikes are fixed through the hexagonal head screws (also called BTR screws or Allen-printed screws).
The idea is to make their access inaccessible by magnetic insert only one coded key may withdraw.
These magnetic inserts are available in several sizes and compatible with A keys or B keys. Be sure to order inserts and keys of the same type (A or B).
Details, video presentation, additional explanations and FAQs below.

Most of the screws on your bike are hexagonal and can be adjusted with a Allen key (also known as a 6-pan key):

Our selection of screwing / unscrewing tool is here: Tools for urban bikes
These hexagonal screws come with prints of different sizes:

Choose the insert adapted to the size of the screw you want to protect.
Operation of the anti-theft system for bicycle screws Hexlox :
The system is based on two mechanisms.
The insert is maintained in its location via a powerful neodymium magnet. The host screw must therefore be magnetic. Aluminium, stainless steel or titanium screws are in fact not compatible.
Then a key with your own coding is needed to remove the insert once installed.
However, the interface between the key and the insert is not solely due to magnetism. Interaction is primarily mechanical. The insert is shielded electromagnetically and its polarity has been adjusted to make its extraction possible only with the right key.
It is therefore impossible to remove the insert without the coded key, even with a very powerful magnet, for example.
How to order your insert Hexlox ?
Choose the desired size then, for your first purchase, choose if you want it to be coded to be unlocked by an A key or a B key. This is just an additional security measure that divides the tiny probability that another individual will have the same key as you.
Then order the key of the same type available here.
For all the inserts you order afterwards, make sure you always choose the same type of coding to ensure absolute compatibility with the key you already have.
What to protect with the system Hexlox ?
Wheels :
- If your bike is equipped with wheels with a quick-attached axis, equip yourself with the'fastener anti-theft Hexlox HexSkewers.
- If your bike is equipped with wheels whose axis is held by nuts, order the anti-theft nuts Hexlox Hexnut.
The saddle stem :
- If your bike has a fast-attached saddle collar, keep your collar but replace the lever and the screw that holds it with the anti-theft saddle rod screws Hexlox for saddle rod collar.
- If your bike has an integrated clamping system and the screw is not magnetic, equip yourself with the anti-theft saddle rod screws Hexlox for integrated system
All the rest of the hexagonal-printed screwdriver to protect handlebars, brake levers, gallows, fork, saddle trolley, brake calipers, derails among others :
- Make sure your screw is magnetic, then choose the'anti-theft insert for bicycle screws of the desired dimension. Finally, choose the coded key for anti-theft system Hexlox adapted.
FAQ :
Anti-theft inserts for bicycle screws Hexlox are they likely to rust?
- No they are precisely made from 316 stainless steel.
Where are they made?
- The elements of the anti-theft system Hexlox are manufactured in Berlin, Germany.
How much do the inserts weigh?
- Each insert weighs less than 0.5 grams.
Does technology Hexlox is inviolable?
- No, no existing system is 100% safe. In its design, however, the Hexlox has failed many of the tools used by bike thieves: Pointed tip pliers, vice clamps, hammers, liquid nitrogen, metal saws, screwdrivers etc.
- The system was also submitted to the members of the Berlin Lock Picking Society, and there too it was impossible to default.
How can I protect my urban bike effectively?
- Beyond the system Hexlox designed to protect your bike's peripherals, it is highly recommended to attach the frame to a fixed point thanks to a quality bike theft. Find our bike anti-theft guide here.
- Insurance exists. Find our insurance calculator here.

Hexlox
Hexlox is a german brand specializing in the protection of bicycle devices. Their solution, almost universal, is based on the fact that most of the spare parts of your bikes are fixed through hexagonal head screws (also…
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