Shimano Ultegra R8000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination Cassette Body/Freehub-11-12s XD Offset 0mm Clamp Type Standard MFPN=8023019 This system integration allows Size:29 X 2.20 EP1451

Shimano Ultegra R8000 Chainring 50 Tooth 11 Speed 110mm BCD For 50 34T Combination Cassette Body Freehub 11 12s XD Offset 0mm Clamp Type Standard MFPN=8023019 This system integration allows Size:29 X 2.20 EP1451 Offset 0mm Clamp Type Standard Double bolt Travel 170mm Seat Post Diameter 30 Color Black Rings 32 Number of Chainrings Single Crank Length (mm) 170 Crank Intended Use Mountain Drivetrain Speeds 11 Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface Type FSA MegaExo Chainring BCD Direct Mount FSA Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 141 148 Boost Hubs Defined Color Black