microSHIFT R9-B Double Front Derailleur - 9-Speed, Double, 46-52t Max, Band Clamp, Shimano Road Compatible

microSHIFT R9 front derailleurs are precision manufactured to deliver predictable and smooth shifting. Optimized for use with Shimano 9-speed compatible road drivetrains. 34.9mm band clamp with included adapter for 31.8mm seat tubes. Chainstay angle: 61-66°. Chain line: 43.5mm. Body is black anodized for added durability. Durable cold forged aluminum body provides strength and weight savings. Precision forged steel shifting plate for resistance to chain-rub. Stiff and strong hardware for reliable mounting.