Chainrings

- 12 speed Record / Super Record chainring - Surface treatment improves durability - 145 BCD outer rings are specific to Record or Super Record, while 112 BCD inner rings are shared between the two groups

- 53 tooth 11 speed Campagnolo chainring, for use with 39 tooth threaded inner chainring - Compatible with 2011-2014 Super Record, Record, Chorus and Comp Ultra cranksets - 135mm BCD

- Stock for 07-08 Record and Chorus 10-speed compact and standard cranksets - Ultra-Drive ESP alloy chainrings with anti-friction treatment and ramps/pins - *Campagnolo compact rings are Ultra-Torque specific BCD - Color: Grey