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Shimano Dura Ace FC R9200 12 Speed Chainring 40t Asymmetric 110 BCD BLK NJ axle length 125mm For Campagnolo rear derailleur models For Campagnolo rear derailleur models that do not feature a B limit adjustment it may not be possible to fit a 32t cassette successfully on some bikes Rings 32 Defined Color Black Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Chainline Hub Compatibility 157 Super Boost Hubs Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain Pedal Spindle 9 16" BB Included No Crank Length (mm) 175 padding top:35px color:white
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