Specialized comp multi stem black/charcoal 31.8mm x 90mm 17 degreeOptimize your efficiency and comfort by fine tuning your stem angle with this adjustable and economical stem. 12 degree: 10 position angle range: + 8 degree to 16 degree, in 2 degree increments. 17 degree: 10 position angle range, + 13 degree to 21 degree, in 2 degree increments. 24 degree: 10 position angle range: + 20 degree to 28 degree, in 2 degree increments. 3D forged and CNC machined, 6061 aluminum, road MTB compatible stem. 4 bolt oversized