Chain Ring, Road Bike, Mountainbike
From Amazon
Sram Road 38T X-Sync force1 Chain Ring 11 Speed 110 Aluminium BB30 or GXP - Argon Grey
Sigma Sports
SRAM Force CX1 X-Sync Chain Ring 38T 11 Speed 110 Alum Argon Grey
Condor Cycles
Sram X-Sync Force Chainring