SPÉCIALITÉS-TA chainring 'Sismic' for Shimano FC-M970 crankset

High quality chainring - made in France

This item is no longer being offered by the manufacturer
  • especially for Shimano XTR FC-M970 crank
  • 7075-T6 aluminium
  • CNC machined

Product information & technical details

Material: Aluminium
teeth: 22, 32, 44
bolt circle diameter: 104
Gear system: 9-speed
sprocket-/chain size: 1/2" x 5/64"


  • Sismic chainrings by Specialites-TA are made of 7075-T6 aluminium by using CNC to achieve sufficient accuracy at a low weight.
  • Those chainrings have milled & pinned shifting ramps (middle & outer position) to support the chain during the shifting process.
  • 7075-T6 aluminium is particulary tough, which causes less wear.
  • to be used with Shimano® XTR (FC-M970) cranksets only

English reviews written for SPÉCIALITÉS-TA Sismic chainring