Shimano Tiagra 4700-GS 10 Speed Medium Cage Rear Derailleur
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Shimano Tiagra RD-4700 Rear Derailleurs
Revised cable pitch offers accurate and long-lasting performance
Wide link design increases rigidity
11 tooth pulleys for reduced pulley wear and chain noise
Compatible only with ST-4700 and ST-4703 shifters
39t capacity when used with double crankset, 41t with triple crankset
34t max low cog when used with double crankset, 32t when used with triple crankset