RAM Mounts Stem Base Hardware Kit The RAM Mounts stem mount hardware pack provides the hardware needed to install your fork stem motorcycle base on a new bike. The pack includes a rubber expansion plug, plastic washers, lock washers, a screw and nut. This hardware pack allows for installation of the Fork Stem Motorcycle base into the cylindrical bore wall of fork stems that measure from 12 -20mm and 28mm or 0.5 1.10 at the following intervals: Metric Standard12mm 0.514mm 0.5516mm 0.6318mm 0.7120mm 0.7928mm 1.10 Note: This is a hardware kit only and does not include a 1″ RAM Mounts Ball
