$39.99 $36.99

Box One 1-1/8" stem lock system

• 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
• All new Box One™ Stem Locks are backwards compatible with existing Box forks and may work with forks from other manufacturers.
• For 1-1/8" fork steer tubes

Product Code: 58922 / 570012 / 570013 / 570014