This 12 spd chain from KMC is what those people looking out of the box for high performance on their BMX race bikes have found.

This high-performing chain is specifically designed for both road and mountain (MTB) use. Ready to take on any challenge, this extremely durable model is compatible with SRAM, Campagnolo and other 12 speed drivetrain systems. It features 126 links with a pin length of 5.2mm plus it weighs in at only 260g, so you won’t have to worry about any excess weight holding you back. To top it off, this non-directional model includes a diamond-like coating for extra longevity.