The latest Ritchey stem with a design for modern frames. Squared design with C220 ferrule 3D forged 2014 Alloy body with internal machining to reduce weight 220 four-bolt ferrule (4 x M4)- reduces weight, increases torsional stiffness of front end and reduces pressure on handlebars, allows standard handlebar swap WCS bar cap included post diameter: 1-1/8" (28.6mm) angle: 84°/6° for handlebar (diameter): 31,8 mm stem width: 44 mm weight: 139g (100mm)