Model: FD-TY500 Front Derailleur, upgraded from FD-TX50. Type: Front Derailleur. Material: Aluminum, Alloy Steel. Dual Pull Design: Compatible with top or bottom routing. Clamp size: 31.8mm/34.9mm. Suitable for 42-34-24T crankset. Dual SIS front index shifting.
Cycling is the most popular way to travel, exercising, environmental protection, safety, no traffic jam.The bicycle parts are important
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