microSHIFT R9 Rear Derailleur - For use 9 10-Speed Shimano Compatible Road Systems Medium Cage BLK MFPN=TB91032100 Clamping Diameter:

Clamping Diameter:

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Right 44 Spoke Interface J-Bend Defined Color Black Hub Drilling 32 Front Axle 15mm Thru x 110mm Hub/Brake Compatibility Center-Lock Disc Axle Size 15Mm Thru X 110Mm Boost

} Assymetrical upper construction using synthetic leather Powershape system delivers targeted arch support Ventilation holes on the uppers as well as in the Morph sole Textile eyelets to avoid pressure points Single SLW3 closure 5mm of cleat travel 260g

} Lightweight casing provides a supple ride quality M:Wall protection helps prevent cuts and reduces the chance of getting pinch flats Tread pattern designed for fast racing on smooth gravel

microSHIFT R9 Rear Derailleur - For use 9 10-Speed Shimano Compatible Road Systems Medium Cage BLK MFPN=TB91032100 Clamping Diameter:microSHIFT R9 rear derailleurs are designed to work with 9 speed Shimano compatible road shifters (RD0214 can be used with 9 and 10 Speed) . With a competitive weight and an aluminum bracket body and outer link R9 marries form and function beautifully. Forged and CNC machined aluminum construction is lightweight and rugged Cage is crafted with steel for enhanced chain rub durability Not compatible with Shimano Tiagra 4700 road system Largest Cog 34