TRP G-Spec TR12 SL-M850 Rear Derailleur Speed: 12 Cage: Long Black

Hall Lock G-Spec Ratchet Clutch G-Spec finishing touches: Carbon fiber cage & Upper link Extra wide parallelogram pivot Sealed cartridge bearings pulleys TECH SPECS Max Front Difference Single chainring only Maximum Cog 50T Minimum Cog 9T Primary Color Bla