HEXLOX

Ultimate security lock for bike components*. 

tokyobike gear bike sizes:
4mm for seat clamp.
5mm with Hexlox skewers (sold separately)  per wheel
6mm for seat post clamp.

tokyobike single speed models (Mono)
5mm for seat-pin (clamp)
6mm for sea

HEXLOX - Hex skewer

Riding a Fixie or Single Speed? Concerned about theft?

The Hexnut is a high-security nut, that, together with a Hexlox 6mm (sold separately) and a Hexlox Key, instantly protects your wheels against theft.

*You need 6mm hex wrench to install.