Brand New Race-Driven Yellow (Non O Ring) Chain and Sprocket Kit. Fits the following models: 1999 2000 2001 2002 2003 2004 HONDA TRX400EX. You will receive the following: 1 - 520-94 Yellow Non O Ring Chain (Tensile Strength over 8200 LBS) 1 - 15 Tooth S45C Hardened Steel Front Sprocket, 1 - 38 Tooth S45C Hardened Steel Rear Sprocket,