SRAM 2014 Chainring X01 X-Synch 38T 94mm 11sp. Black  (11.6218.012.004)

Replacement chain rings in 94mm BCD for X01 cranks. 
Replace a worn out ring or swap to change gearing; crank removal not required.

Material: AL7075-T6 CNC machined
Teeth: 38T
BCD: 94mm