Shimano Tiagra RD-4700 GS Medium Cage Rear Derailleur 10/11 speed Mountain Bike

For 10 speed will only work with Shimano Tiagra 4700 & GRX shifters. 2 x 10/11 works with 36T largest cassette cog. 3 x 10/11 works with 32T largest cassette cog.

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