Secure your single speed, fixed and internally gear bicycle wheels easily with Delta's KnoxNuts for solid axles.
Never worry about wheel theft again. Delta's Fort Knox for wheels, these new high-grade locking skewers and nuts will challenge even the most determined thieves. The KnoxNut features a one-of-a-kind nut protected by a super tough free-floating outer ring, making it impossible to release your wheel with anything other than the special key.
The special forged key is lightweight and easy to carry. Use with regular 6mm allen key to unlock. All keys are marked with a unique serial number and replacement keys are only sold to consumers that have previously registered a key on deltacycle.com.