Details
– Ergonomic Shifting Operation Without Stress
– Shimano Synchronized Shift
– Race Endurance For Less Damage In Crush
– Quick And Smooth Front Shifting “Under” High Pedaling Torque
– Maintains Compact And Smooth Appearance
– Top Gear Teeth: 46-55T
– Chain Stay Angle: 61-66°
– Chain Line: 43.5mm





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