B171 Bicycle Stem 45 degree Riser

• 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.

Specifications
Material:Aluminum Alloy
Suit for:most kinds of bikes
Package included:1 X Bike stem

Size Specifications Stem length:90mm Steerer Tube Diameter:28.6mm Handlebar Clamp Diameter:31.8mm ±40°Adjustable

±40° Adjustable Install upward:Raise handlebar position. Make you bend less while riding, riding comfort and steering control Install downward:Low down handlebar position, reduce wind resitance, ride faster.

Installation view Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position Suit for:mountain bike,road bike,folding bike,fixed gear bike,and so on (Bike handlebar is not included)