SRAM XX Downhill T-Type Chainring - 36t 12-Speed 104mm BCD 3mm Offset CNC Aluminum BLKDesigned to bring Ochain into the Eagle Transmission T Type Ecosystem this chainring uses a 104 BCD interface with optimized architecture for easy integration. The T Type tooth profile brings full compatibly with all other T Type components allowing for Ochain to be utilized on all bike types while providing better chain retention for a smoother more confident pedal feel. XX design aesthetic pairs with all Eagle Transmission components. Architecture