![BOX ONE STEM LOCKS 1in](http://www.adastrabikeco.com/cdn/shop/products/ScreenShot2023-03-09at9.21.09PM_{width}x.png?v=1678418481)
Cold forged and fully CNC-machined from several high-strength aluminum alloys, new 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. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.