PRO Cartridge headset lower, ZS56 / 30 mm, converter (1-1/8 steerer)

• High quality double sealed stainless steel cartridge bearing for durability
• Precision machined anodised alloy cup
• Machined alloy gap cap, bolt and star nut included

Allows the use of a straight steerer fork (1 1/8in) in a ZS56 frame.