X-Ring EVO 38 x 104

The X-Ring EVO BCD 104 chainrings are compatible with Quarq SRAM XX1 Eagle, SRM Origin or other BCD 104 and 104/64 cranksets. They are compatible with the new SRAM 12s T-Type (XX SL Eagle, XX Eagle, X0 Eagle, GX Eagle), SRAM Eagle 12s (XX1, X01, GX, NX & SX) and Shimano Hyperglide + 12s (XTR, XT, SLX, Deore). Compatibility with 11-speed chains is also ensured. The fixing to the crank with only 4 standard male bolts (M8x0.75) with 7 mm or longer bolts. We recommend using the specific X-Fix X-Ring EVO kit available in different anodized colors. The male bolts of the XX1 kits or similars (M8.5x0.75) ARE NOT COMPATIBLE.
The 38 teeth chainring has a diameter of 161 mm: it is recommended to verify the footprint available on you bicycle before purchasing.