Sunrace CS-MZ930 12s Cassette 10-51t SRAM 11 sp. }Instinct E is the supertough

}Instinct E is the supertough 40 mm smartwatch that gets up to 14 days of battery life

Wide front allows for a large relief zone without interfering edges

X-SYNC Chainrings are compatible with SRAM 11 and 10 speed chains

Color Black Defined Color Black ISO Diameter 559 / 26" MTN ISO Width (mm) 44 Labeled Size 26 x 1

Sunrace CS-MZ930 12s Cassette 10-51t SRAM 11 sp. }Instinct E is the supertough12 speed cassette for use with Shimano MicroSpline freehub bodies. Wide range of 10 51 is ideal for MTB or Gravel use TECH SPECS Range 10 51t Gears 12sp Cogs 10 12 14 16 18 21 24 28 33 39 45 51 Color Black Weight CSMZ930 MicroSpline