Zygote BarLightweight alloy, multi-position touring/trekking bars. The perfect companion for an epic journey.31.8mm stem clamp diameter.22.2 main-bar diameter (accepts Rohloff shifters)Lightweight 6061 aluminium.600mm nominal width at widest point.26mm spiral rise from centre to ends.17 deg. main sweep.Shot blast and Black anodised, laser logos.Weight: 440g.Colour: Black.