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Dura-Ace 11-Speed FC-9000 Chainrings
igus bearings
Item Specifications Axle Diameter (mm) 12 Color Black Over Locknut (mm) 135 Overall Length (mm) 167 Thread Length (mm) 20 Thread Pitch 1
Cover parts in solvent and scrub using a brush
Updated to be longer
SRAM XX1 Type 2.1 11-speed X-Horizon Rear Derailleur with Red Logo cane-creek Dura-Ace 11-Speed FC-9000 ChainringsProfessional grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation. Wide tooth, narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies
