The 7075 T-651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs typically thinner 7075 T-6 sprockets100% machined, no stamping or grindingOptimal tooth thickness results in maximum tooth and chain contactWe leave the cleaning grooves out of our sprockets, because more aluminum contacting your chain means longer chain and sprocket lifeMoose Racing rear sprockets come anodized in black; select rear sprockets are available in red, orange and blueMade in the USAAll items are sold individually unless specifically described otherwise in the product descriptionThis item fits the following models: 1986 Honda ATC250R1986-1989 Honda TRX250R1987-1988 Honda TRX250X1991-1992 Honda TRX250X1993-2008 Honda TRX300EX Sportrax2009 Honda TRX300X1999-2008 Honda TRX400EX Sportrax2009 Honda TRX400X2006-2009 Honda TRX450ER Electric Start2004-2009 Honda TRX450R

• The 7075 T-651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T-6 sprockets
• 100% machined, no stamping or grinding
• Optimal tooth thickness results in maximum tooth and chain contact
• We leave the cleaning grooves out of our sprockets, because more aluminum contacting your chain means longer chain and sprocket life
• Moose Racing rear sprockets come anodized in black; select rear sprockets are available in red, orange and blue

Call 1-888-841-8288 for customer service.