The shimano hg93 chain is a fantastic 9 speed compatible mountain bike chain recommended for use with shimano39s ultegra deore xt and nexave c900c600 drivetrains featuring innovative hyperglide technology this bike chain offers optimised shifting performance on hg sprockets thanks to its chamfered inner plates highly durable for trail use this 9 speed mountain bike chain has been given heat treatment at the rollers pins and plates as well as additional chromising treatment on link pin