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. Box One Stem Locks are backwards compatible with existing Box forks and may work with forks from other manufacturers.

• 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. Box One Stem Locks are backwards compatible with existing Box forks and may work with forks from other manufacturers.