Deda elementi newton 31 stemcnc machined stem with a four locking screw faceplate to ensure greater safety and rigidity features materials cnc machined 2014 t3 aluminium alloy stem with ti 6 al 4v bolts extension angle 82 collar stack height 40mm tightening torque for all bolts 8 nm 5 9 ft lbs 71in lb weight 125g 120mmbuydeda elementi componentsfrom chain reaction cycles the worlds largest online bike store