Taking name and shape from the A-axis in I9&';s five-axis machining centers, the A35 is an all-mountain stem utilizing a 35mm bar diameter and demonstrating that every detail matters. Solid 7075 Machined US Sourced Aluminum Includes six high strength 316 stainless steel custom M5 bolts 180 degree wrap Bar Clamp Diameter (mm): 35.0 mm Color: Black Defined Color List: Black Material: Aluminum Length: 32 mm, 40mm Stem Angle (deg): +9 deg , -9 deg Rise: 5 S.H.I.S. Stem Clamp Diameter: 28.6 Stack Height: 42 Weight: 128 g Check out our stem length blog that details the different riding characteristics of different stem lengths to help you make the perfect choice.