Funn Solo DX Narrow Wide SRAM Chain Ring 3mm & 6mm Offset Blue and Red OnlyA narrow wide chainring for SRAM Direct Mount. The Funn Solo Narrow Wide is designed for single chainring setups with SRAM direct mount interface cranksets. The narrow wide tooth profile helps to lock your chain in place, doing away with the need to run a chainguide. CNCd from high quality aluminium, the Solo is both tough and light. Features: For SRAM Direct mount Full CNC 7075 high tensile aerospace alloy Narrow wide profile designed to keep the