They’re best known for their brakes, but in 2019 TRP stepped into the drivetrain world with the debut of the DH7 shifter and derailleur, components that were first seen being tested by Aaron Gwin on the World Cup downhill circuit. The new TR12 components are the follow-up act, a shifter and derailleur that are designed to work with 12-speed cassettes and chains from other manufacturers.

The TR12 derailleur has all of the features found on the DH7, including an adjustable clutch and the Hall Lock, which locks the B-knuckle to the derailleur hanger. It also has a carbon fiber outer cage and upper link in order to lose a few more grams.


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