KMC S1 Single Speed Chain is a perfect option for single speed, track and internally geared hubs.
Chain Compatibility: 1/2" x 1/8"
Number of Speeds: Single Speed
Width: 9.3 mm
Weight: 399.0 g
Had an issue with chain line that needs remedy before I could review. That's sorted. Obviously you'll get no complaint about KMC, least not from me. It's solid, functional and looks good.
Easy to use, does the trick.