Syntace Megaforce2 Mountain Stem. Features: Megaforce2 offers precise steering control with super wide bars due to the extreme width of the stem, 42mm internal diameter Optimized from the ground up to offer exceptional torsional stiffness while still being super lightweight FlipFlop design, +/- 6 degrees, for excellent sizing options. 132g (70mm) Specs: Steerer Dia:1-1/8" Bar Dia:31.8mm Rise:84/6 deg Length:50mm Color:black