OnOff Mercurium Headset 1"1/2 reduced (ZS56/ZS56)

OnOff Mercurium is a 1"1/2 reduced headset that allow to install a 1"1/8 fork on a 1"1/2 (56 mm) headtube. Fit for example Mondraker Summum frames

Features

• Material : Aluminium
• Semi integrated headset (ZS56/ZS56)
• Headtube compatibility : 1"1/2 56 mm
• Fork steerer compatibility : 1"1/8
• Bearings : 41 mm Sealed cartridge bearing (45°/45°)
• Topcap and star sold separately