Kalloy Adjustable Stems adjust from angles 30 to 150 degrees.40mm height30 to 150 degree rangeItem SpecificationsColorBlackWeight260gIntended UseRoadBar Clamp Diameter26.0mmStem Angle30-150degStem Length90mmSteerer Tube1-1/8" ThreadlessDefined ColorBlackS.H.I.S. Clamp Diameter28.6