UPANBIKE Bicycle Adjustable Stem ±40° Riser or Lower 1-1/8″ Steerer


  • Steerer Tube Diameter: 28.6mm(1-1/8″); Bar bore clamp: 25.4mm or 31.8mm.
  • Length (center to center):11cm(4.3″); Stem adjustable Angle:+/-40 degree
  • Fits both mountain bike and road bike.
  • 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.

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Additional information

Weight 0.25 kg



‎16.6 x 11.5 x 4.7 cm; 250 Grams