The Box One Race Stem Lock keeps your setup together if you're riding hard enough to break your steerer tube.
Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One Stem Lock 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.
All new Box One Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.
*Select bikes ship with a flat fee from 14.95€
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