The KMC X11EL 11 Speed chain was born into existence by a need from riders. Riders after a performance chain that still had solid pins for easier trailside repairs. The X11EL has all the outer plate weight savings and mud shedding capabilities you could hope for and still provides ultra-smooth shifting from their X-Bridge technology. The end result is a strong, quality chain with excellent shifting performance. Who's this item for: Anyone running an 11-speed drivetrain that would like to use a quality chain with heaps of technology in it.Number of gears: This is suitable for all 11-speed drivetrains. Weight: As KMC describes it 'Extra Light!' at 256-grams for 118 links.Materials / construction: All we know is it's nickel plated. Other component compatibility: Suitable for use with all 11-speed drivetrains from Shimano, SRAM, Box and Campagnolo.Pros: KMC chains do shift well- the X-Bridge technology works. Includes a missing link, for connecting the chain. Features KMC's 'Bulls-Eye' pin mushrooming technique which provides 200kgf of average pin power for tremendous side plate retention.Cons: No cons. This is a great chain!