Description
Comparison points and tradeoffs
When comparing Chain & Black Sprocket fits Honda 400EX TRX400EX 1999-2004 Gold O-Ring 15/38 94L with other Chain & Sprocket Kits options, use this source-backed detail as the primary discriminator: All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel.
Use this second fact to evaluate the tradeoff: Fits 1999 2000 2001 2002 2003 2004 Honda 400 Sportrax TRX400EX. A third point to compare across alternatives is: Fits the following models: 1999 2000 2001 2002 2003 2004 Honda TRX400EX.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Brand New Race-Driven Gold 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 Gold O Ring Chain (tensile strength over 8200 lbs), 1 – 15 Tooth S45C Hardened Steel Front Sprocket, 1 – 38 Tooth S45C Hardened Steel Rear Sprocket, Race-Driven O Ring Chains are a tensile strength of over 8200 lbs.
Source product highlights
- 15 Tooth Front Sprocket, 38 Tooth Rear Sprocket and 520-94L Gold O-Ring Chain
- All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel.
- O-Ring Chain helps keep the pins lubricated which reduces friction and helps the chain last longer.
- Fits 1999 2000 2001 2002 2003 2004 Honda 400 Sportrax TRX400EX




Mark R funair –
Slapped it together in 15 min fitment and performance is right on
Eva Castro –
Small sprocket does not fit on shaft for 400ex Sportrax 2004. Wish I would have known. The rest is good. Now I have to order the small sprocket separate. Wish I could get a partial refund.
Tim jefferis –
Just tried putting this on and front sprocket won’t fit on my 2003 400ex. Contacted them sent a replacement same part that doesn’t fit and asked for partial return don’t even cover the cost of the $18 they list a single front sprocket for on Amazon