TRP TR12 Rear Derailleur and Shifter Kit - Black Axle to Crown Length-516 If tricks and jumps get

If tricks and jumps get messed up Billy Bonkers remains good natured forgiving even egregious mistakes

Precision CNC machined AL7075/T6

Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Brake Position Front or Rear Defined Color Black Hydraulic Fluid Type DOT Pad Compound Organic Rotor Included No

Quick Release Seat Post Clamps

It darkens and lightens up automatically to the strength of the sunlight (UV light)

TRP TR12 Rear Derailleur and Shifter Kit - Black Axle to Crown Length-516 If tricks and jumps getThe 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 lever integrated into the B knuckle mount that locks out the main pivot bolt to prevent your derailleur from lifting slapping and making noise The Hall Lock can be turned on or off and the clamping force