Praxis Works DM 1x Narrow Wide Chainring 30-NW900

- Narrow Wide tooth profile for better chain retention\n- Forged and machined 7000 series alloy with hard black anodizing for durability\n- Works with 1x10/11/12sp Shimano, KMC and SRAM Eagle, Flat and T-type chains\n- For Gen2 (G2) Praxis cranks (noted on crank arm) and SRAM mountain cranks; +3mm offset = 52mm chainline, 0mm offset= 55mm chainline\n- For original Gen1 Praxis cranks;+3mm offset = 49mm chainline, DM-B 0mm offset=55mm chainline\n- Must use a ‘clutch’ type rear derailleur. Ex: Shimano Shadow or SRAM Type2 \n- Shimano compatible with both mechanical and Di2 Shimano 10/11/12sp. SRAM compatible with both mechanical and wireless SRAM 10/11/12sp\n- In rough terrain, or just for pure security, use of an upper guide recommended\n- Unauthorized online sales prohibited by manufacturer