RavX Tempo Hi-Rider Stem 110mm, 31.8mm One-piece forged 6061 alloy that have a 35 degree angle The Torque Limit is 5Nm Extensions: 60, 70, 80, 90, 100, 110, 120mm One-piece forged 6061 Alloy Angle:35 Weight: 156g(90mm) Handlebar Clamp Size: 25.4mm and 31.8mm/ Steerer Clamp Size: 28.6mm Extensions: 25.4mm: 75mm-90mm-110mm 31.8mm: 70mm-90mm-110