Box One Stem Lock.
- Cold forged and fully CNC-machined from a number of high strength aluminum alloys, Box One Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube
- Designed to help prevent catastrophic failure in the event of fork failure
- Available in various sizes to suit your bikes specifications
- Backwards compatible with existing Box forks
- Made of 7075-T6 (post) and 2014-T651 (base)