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United Machinez Spline Drive Guard Sprocket

The new Corey Martinez ‘Machinez’ signature spline drive sprocket uses an interchangeable adapter to run as a spline drive sprocket on all various cranks. Plenty of colours and size options to choose from, Each sprocket comes with 3 adapters to run with 19,22 & 24mm cranks.


  • 3D CNC machined 7075-T6 aluminium
  • CNC and laser etched United logos
  • 7mm Thick Sprocket and 3mm thick guard
  • 19mm, 22mm & 24mm steel spline drive adapters, all 3 included with the sprocket
  • 25T & 28T
  • Black, Polished & Copper
  • Weight: 25T - 114g / 28T - 122g