Box Components stem/steerer lock suitable for tapered 1.5" (1-1/2") steerer tubes. Cold forged and fully CNC-machined from a number of high strength aluminium 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.
Material: 7075-T6 (post), 2014-T651 (base)
Weight: 61 grams , 72 grams
