Seamless Integration : Solo DX is designed specifically for single chainring conversions with SRAM direct mount interface bike crankset, you'll enjoy effortless, precise gear changes every time you hit the trails. Enhanced Compatibility : It's compatible with 9 to 12 speed chains, making it a versatile and practical option for a variety of different bikes and riding styles. Provides reliable and efficient performance across a range of different speed configurations. Smoother Shifting : A 6mm offset for Non-Boost chainline enhances the chainline, reduces chain rub and drops, leading to smoother shifting and reduced friction for the rider, making it easier for the rider to transition between gears. Improved chain engagement : The narrow-wide design locks the chain tightly with its alternating tooth, ensuring maximum security, and less likely to fall off even riding on the toughest terrain. Quality Production : Built in tough 7075 aerospace alloy with full CNC finish, Solo DX has strong resistance to ward off severe vibration and damage from rough trails. The high quality material provides unbreakable durability yet still extremely lightweight. Funn SOLO DX NARROW WIDE CHAIN RING is specifically designed for single chainring (1x) conversions with SRAM Dirct mount interface crank sets. CNC narrow wide profile keeps the chain on the ring at all times, in all terrain. SRAM Dirct mount crank interface Narrow wide profile designed to keep chain on the ring 7075 high tensile aerospace alloy with Full CNC Available in 3 colors: Black / Red / Blue