CHAINRING SRAM 40T XSYNC ASYM 4-bolt 110 11s BLK

Sram replacement X-Sync chainrings for the Apex-1 crankset with asymetrical 110mm bolt pattern – will not work with standard 110mm 4 bolt applications

X-Sync™ tall, square tooth design provides maximum chain control

Sharp, narrow tooth profile and rounded chamfer edges help manage a deflected chain

Mud-clearing recesses