Equipped with the race-proven technologies like the Hall Lock and an adjustable clutch differentiate. Once again, this increases the shifting accuracy with less rattling noise. TR12 is available in three colors: Stealth Black, Gold and Silver.


  • Co-developed by Aaron Gwin: new linear shifter ergonomics for accelerated gear changes
  • New linear gear release for improved ergonomics and optimal finger contact
  • Carbon fiber upper housing and shifter
  • Ball bearings
  • 12-speed
  • Tool-free shift cable change at the shifter
  • Individual driver adjustment – shift lever long – radius of 40 degrees
  • Weight 120 g

Rear derailleur

  • Hall Lock locking lever
  • Adjustable ratchet clutch
  • Carbon fiber cage and pivot
  • Extra wide cage parallelogram and pivot for increased stiffness
  • Chain rollers with sealed cartridge bearings
  • Weight 282 g

Color versions