The TRP TR12 drivetrain system brings World Cup downhill shifting technologies to the trails. The 12-speed design is the result of a collaboration between TRP rider Aaron Gwin and his mechanic John Hall.This advanced derailleur includes a Hall Lock - a lev
The TRP TR12 drivetrain system brings World Cup downhill shifting technologies to the trails. The 12-speed design is the result of a collaboration between TRP rider Aaron Gwin and his mechanic John Hall.
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