Bar Rise Kit. Bar clamp kit that can be attached to handlebar mounts to offset the handlebar position forward or backward by 20 mm and raise the height by 26 mm. ZETA Bar Rise Kit with 20 mm offset. Can offset the handlebar position forward or backward by 20 mm and can raise the height by 26 mm. The lineup includes two types: one for standard-diameter bars and one for large-diameter bars. The kit for standard bars can be attached to 22.2 mm / 7/8" handlebar mounts. Large diameter bar clamps can be installed on 22.2 mm / 7/8" or 28.6 mm / 1-1/8" handlebar mounts. 32 - 42 mm pitch range. Sold as a set.