United‘s Metro sprocket is now available in a spline drive version. This 7075-T6 aluminum 3D CNC machined sprocket is 8mm thick (6.5mm in areas) and has a 48 splined 22mm hardened chromoly insert for those of you looking to run a spline drive. The sprocket is available in 25 (2.96 oz.) and 28 (3.38 oz.) tooth options with black for the color option.
