Ritchey WCS C-260 Stem Material: 7050 AluminumBar Diameter: 31.8 mmSteer Tube Diameter: 1.125 inLength: 80 mm 90 mm, 100 mm 110 mm, 120 mm 130 mmRise: 84 degreeBar Attachment: 4-boltWeight: 114 gRecommended Use: cyclingManufacturer Warranty: