Wolf Tooth Elliptical Direct Mount Chainring - 38t SRAM Direct Mount 6mm Offset Drop-Stop Flattop Compatible BLK Model=Aerothan Tubes 37 BB/Frame Interface English BB

37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Spindle Interface Type RaceFace/Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type e*Thirteen P3 Connect Spindle Interface Type Zipp Vuma Defined Color Black

}Shimano 105 FD-R7150 Di2 Front Derailleur - 2x For 2x12-Speed Braze-On Down-Swing Black

}Dimension 27

Performance is consistent in both wet and dry conditions

Wolf Tooth Elliptical Direct Mount Chainring - 38t SRAM Direct Mount 6mm Offset Drop-Stop Flattop Compatible BLK Model=Aerothan Tubes 37 BB/Frame Interface English BBWolf Tooth Elliptical Direct Mount Chainring 38t SRAM Direct Mount 6mm Offset Drop Stop Flattop Compatible Black. Designed to fit SRAM cranksets with removable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings. Elliptical rings provide smoother more efficient pedal