SRAM 12 Speed Eagle X-Sync 2 Steel Chainring - Narrow Wide 30T. 30T Steel Chainring. SRAM Narrow/Wide Chainring. Compatible With: SRAM XX1, X01, GX & NX Eagle. 3mm Offset - Boost. X-Sync 2: After inventing and producing the first 1x-specific rings, with chain-retention capability, we have learned quite a lot.
