UPANBIKE Bike Stem 31.8mm 45 Degree Bicycle Handlebar Stem Riser Suitable for BMX MTB Road Bike Mountain Bike (31.8 x 90mm)

Specification:
Material:Aluminum Alloy
Stem length:90mm
Steerer Tube Diameter: 28.6mm
Handlebar Clamp Diameter: 31.8mm
40° Adjustable
Color:Black
Suit for:mountain bike,road bike,folding bike,fixed gear bike,and so on
Features:
High Quality and 100% New Brand
Durable and Wear Proof
Made from High quality Aluminum Alloy
Package included:1 X Bike stem

Product Features

• Bar bore clamp diameter:31.8mm(1.25”),Steerer Tube Diameter: 28.6mm (1-1/8″),Stem length:90mm (center distance of the two holes)
• Angle: +/- 45 degree.help to up or down the heigth of handlebar.
• Constructed of high-strength CNC machined 6061 T6 aluminum alloy.Weight:230g.
• Install upward: Raise handlebar. Make you bend less while riding, riding comfort and steering control
• Install downward: Low down handlebar, reduce wind resitance, ride faster.