The TruVativ ATMOS 7k Stem is a lightweight, performance stem designed for trail and cross-country use. Featuring a rise or drop of 6° depending on your preference, it is also available in multiple lengths depending on your sizing needs. All fasteners are adjustable via a T25 tool for easy, quick adjustments. The ATMOS 7k also features an integrated GoPro mount. /-6° angle. Integrated GoPro mount. 1-1/8" steerer clamp diameter. Crafted from lightweight 7050 aluminum with steel hardware. T25 fasteners for 1 tool across the cockpit. Item Specifications: Stem Angle (deg): 6, Stem Angle (deg): -6, S.H.I.S. Stem Clamp Diameter: 28.6, Defined Color: Black, Color: Blast Black, Material: Aluminum, Length: 50, Bar Clamp Diameter (mm): 31.8,