UPANBIKE Bike Stem Bicycle Aluminum Alloy Adjustable Stem Φ25.4mm Φ31.8mm 28.6mm

Adjust upward: Raise handlebar position. Make you bend less while riding, riding comfort and steering control
Adjust downward: Low down handlebar position, reduce wind resitance, ride faster.
4 x Screws – safety system, extremely safe: four stainless steel screws to fix the handlebar. Two stainless steel screws to fix the stems on the steerer tube of your bike.
Color: Black
Material: Aluminum Alloy
Steerer Tube Diameter: 28.6mm , Standard for 1. 18″ forks
Bar Bore Clamp Diameter: 31.8mm or 25.4mm
Center Length (Bar bore clamp center to steerer clamp center): 11cm
Full length: (end to end): 15cm
Stem Angle:+/-40 degree adjustable

Product Features

• Made from light, stiff, and durable 3D-forged, CNC-machined alloy
• Steerer Tube Diameter: 28.6mm , Standard for 1. 18″ forks
• Bar Bore Clamp Diameter: 31.8mm or 25.4mm
• Adjustable angle (±40°)：Adjust upward: Raise handlebar position. Make you bend less while riding, riding comfort and steering control. Adjust downward: Low down handlebar position, reduce wind resitance, ride faster
• Fits road bike and mountain bike, and other bike