Description: Enhance your ride comfort and handlebar control with the KINGBULL SM-A191-8 Adjustable Bike Stem. Designed for flexibility and ergonomic support, it allows you to adjust your handlebar angle from 0° to 40°—perfect for a more upright or aggressive riding position. With a sleek sandblasted black finish and laser-etched angle markings, this stem is both durable and stylish. Features: Steerer Tube Diameter:28.6mm (1-1/8") Handlebar Clamp Diameter:31.8mm Extension Length:100mm Stem Height:40mm Adjustable Angle Range:0° to 40°