1 1/8" x 25.4 ... WHAT I SEE- LOGO IS BOLD AND LEGIBLE_ BOLT HEADS HAVE GOOD SHINE _LIGHT FEATHER SCRATCHES THROUGH OUT_ SMALL SCAR ON ONE SIDE_ SHOWS GOOD... WHAT I KNOW- BOLT THREADS ARE GOOD_ GOOGLE SEARCH FOUND ONLY ONE IMAGE OF THIS STEM... CENTER TO CENTER- 100mm_ OVER ALL LENGTH- 145mm_ LIFT - 5mm_ approx. ... SEE PHOTOS FOR SURFACE CONDITION. WE DO NOT TAKE RETURNS BUT IF YOU ARE NOT SATISFIED CONTACT US BEFORE LEAVING FEEDBACK. TODAY WE RIDE.