Merida Expert Cw Ii, StemFeatures Made from lightweight aluminium, the EXPERT CW weighs just 154 g (100 mm) and is available in 5 sizes from 80 mm to 120 mm All versions have a 8 angle, a 31. 8mm clamp diameter and fit 1 1 8" steerers. And, of course, like all of our stems it's served with simple and subtle black on black colours. Specifications Intend Use Road Material Aluminium Handlebar Dia 31. 8mm Steerer Clamp Dia 1 1 8" Angle(In Degree) 8 Degree Weight(Apprx.) 154g