First Components 36T x 76mm Narrow-Wide 1x Bicycle MTB Chainring SRAM XX1
Chainring BCD: 76mm (works great with XX1 cranks). New First Components 36T, 76mm BCD Narrow-Wide Alloy 1x Chainring. Chainring Information Outer chainring. Narrow Wide tooth profile to provide superior chain retention with 1x chains.