Flat head stem with aggressive drop of -20 degrees for 27.5 inch, 29 inch and TT bike bike setups 3D forged then CNC machined from AL7075/T73 with 4-bolt cold forged alloy faceplate and CrMo hardware 40mm clamp stack height with black and white graphics. 141g (100mm) TECH SPECS steerer dia. 1-1/8" bar dia. 31.8mm rise -20 deg length 90mm color black/black