ELITA ONE carbon bike Stem Road MTB bicycle Stem 31.8mm80/90/100/110mm 17 degrees stem 3K gloss (green, 17-90mm) Go to amazon.com Related posts How to buy the best stem carbon bike? FeatureWeight:125g10g (80 mm) ,Length:80, 90, 100, 110, mmSteerer:1-1/8 " /28.6mm , Diameter:31.8mmMaterial:Aluminum Alloy + Carbon FiberAngle:17 , Finish: 3K GlossBlack Stack:40 mm