d 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 ...

threadless stems to 1" (22.2mm-ID) threaded steerer tubes Will also work on 1-1/8" stems with 1" reducer shim Aluminum construction with top-mount bolt/cap. 142g Specs:Adapts:1" threadless stem to 1" (22.2mm) quill This ...

a 1-1/8" threadless stem in combination with a threaded 1" headset/steerer 22.2 quill diameter 50mm stem clamp area Allows up to approximately 60mm of rise Approximately 195mm total length Specifications: Adapts: 1" ...

Stem Lock provides peace of mind by assuring your front end stays together in the chance of a broken fork steerer tube. Less worries, more speed! Specifications: Size: 1-1/8" steerer tubes Color: ...