Sunrace Cassette Sprocket M63 7 Speed 12-28T


The seven sprockets include 12-13-15-18-21-24-28 teeth. An excellent choice for bikes with "compact" chain wheels (fewer than 48 teeth on the largest).


  • Speed: 7-Speed.
  • Function: Super Fluid Drive.
  • Number of teeth: 12-28T.
  • Gear combination: 12-13-15-18-21-24-28.
  • Sprocket finish: Sandblast satin.
  • Sprocket material: Hi-tensile steel.
  • Spacer material: Engineering polymers.
  • Lock ring: Steel.
  • Chain compatibility: 7.1~7.3mm.
  • Average weight: 248g.
  • Available In Silver and Sandblast Satin Finish(Duller)