The convenient half link for an exact alignment of the back wheel on bikes with hub gears.

Also available for the following chains:

• Connex chains for narrow hub gears
  (7Z1, 700)
• Connex chains for hub gears with wider cogs and single-speed (1Z1, 108, 100)
• BMX-Chains
  (1G8, 1R8, 100)