Hi Burners,
I've worn the chainrings on my Spesh Epic so need to replace. The cranks and chainrings are discribed as below:
Custom SRAM S-1250, 7050 alloy arms, 10-speed XC double, PF30 spindle,
CHAINRINGS 38A x 24A, carbon shift-guard.4-bolt, 104/64mm
I've always been a Shimano guy...