YINETTECH 2 Pack Rear Sprocket 16T 1/2 x 3/32 Compatible with Shimano Nexus, Compatible with Sturmey-Archer

["Single speed rear sprocket: 16T, 1/2 x 3/32, designed for 3-spline drivers.","Compatibility: compatible with Shimano Nexus, compatible with Shimano Alfine, compatible with Sturmey-Archer on city, commuter and folding bikes.","Steel bicycle cog: made of steel with black coating to support stable power transfer; designed for 1/2 x 3/32 chains for smooth engagement on paved paths and urban routes without chatter.","16-tooth gearing: provides balanced cadence and acceleration for stop-and-go traffic; pairs well with common 44 to 48-tooth chainrings for everyday rides, errands, and fitness loops.","Commuter bike drivetrain upgrade: suitable for single-speed, internal gear hub, and coaster brake setups; mounts on 3-spline driver with snap ring. Confirm 1/2 x 3/32 chain, seat fully, and test ride to verify engagement. Replace worn chain together with the cog for optimal performance."]