Product Details + Designed for everything from trail riding to Enduro racing Can be used with a regular star nut and top cap like every other stem Also compatible with existing threaded EDC top caps, for riders who have already threaded their steerer tube 6061-T6 aluminum 38.5mm stack height; 55mm bar clamp width 35mm 157g & 50mm 173g Third party online sales are strictly prohibited by manufacturer TECH SPECSsteerer dia.1-1/8"bar dia.35.0mmrise0 deglength42mmcolorblack