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The lower calf length is perfect for use with hiking shoes and boots
approximately 201g (250mm length) for road bikes and 228g (330mm length) for mountain bikes
packed dirt and most gravel surfaces
The Power of Choice
With the evolution of disc brakes on time trial bikes
TRP - RD-M9050 EVO 12 Rear Derailleur Black The lower calf length isThe Power of Choice Introducing EVO12 and EVO7. The embodiment of EVO and the culmination of TRP's extensive engineering and development history integrated with the world's top riders and teams. EVO means we have made advances to our first generation features such the Hall Lock, silent clutch and cage release to improve performance and usability. The Hall Lock all but mitigates drivetrain noise to help riders stay focused and undistracted. EVO12 and
