DescriptionPortland Design Works Alexander Graham Bell – Black. Built to replace a 10mm 1 1/8″ headset spacer the Alexander Graham is a classy addition to your bicycle without sacrificing handlebar space. There’s nothing like the strong clear sound of a solid brass bell to announce your presence to all.Mounts under the stem replacing one 10mm 1/18” headset spacer TECH SPECSMount LocationHeadset
