Fits: Honda XR 650 R 2000-2007; Moto TM TM400F 2001-2003. Strong M-type chain with special heat treated pins plus an advanced pin and link connection for maximum performance and durability. Made to OEM specifications and tolerances for quarantined quality and superior durability. Manufactured in Japan by Borg Warner, one of the largest main suppliers to a variety of OEM companies worldwide. Will work with ProX as well as OEM valve train components.