`- Designed for Praxis 3-bolt DM road cranks with 10/11sp drivetrains\n- Cold forged 7075-T6 alloy rings mounted to 3-bolt DM spider\n- LevaTime II: Praxis unique timing and shifting technology. Several shift pins are placed strategically at points on the ring to provide a perfectly timed lift\n- At this time not compatible with SRAM AXS chain\n- Unauthorized online sales prohibited by manufacturer