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A SRAM Force 1 derailleur with Kogel bearing pulleys kept resistance and chatter low. Chumba Terlingua steel cyclocross/gravel bike. © A. Yee / Cyclocross Magazine

A SRAM Force 1 derailleur with Kogel bearing pulleys kept resistance and chatter low. Chumba Terlingua steel cyclocross/gravel bike. © A. Yee / Cyclocross Magazine