BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | ATV/UTV BELTS, CHAINS & SPROCKETS 756 FITS MODEL CHAIN SIZE OEM GEARING FRONT SIZE PART # REAR SIZE PART # TYPE/COLOR HONDA ATC250R 86 TRX250R 86-89 TRX250X 87-92 TRX300EX 93-08 TRX300X 09 TRX400EX 99-04 TRX400EX 05-07 TRX400EX 08 TRX400X 09-12 TRX400X 13-14 TRX450ER 06-14 TRX450R 04-05 TRX450R 06-09 TRX700XX 08-09 520-96 13/39 - - 38 1210-1876 Steel/black 520-112 13/39 38 1211-2714 Alloy/red 520-112 13/38 39 1210-1877 Steel/black 520-112 13/38 42 1210-1951 Stealth/gold 520-100 13/38 520-112 15/38 520-100 14/39 520-100 14/39 520-112 14/39 520-100 14/39 520-100 13/38 520-112 14/38 520-112 13/38 520-112 13/38 KAWASAKI KFX400 03-06 520-112 14/40 14 1212-1739 - - - POLARIS Trail Blazer 250 03-05 Xpress 300 96-99 Trail Boss 330 04-05 Scrambler 400 2x4 00-01 Magnum 425 2x4 95-98 Scrambler 500 2x4 00-08 520-120 - - - 45 1210-2539 Steel/black 520-120 12/38 46 1210-2541 Steel/black 520-120 13/40 520-120 13/36 520-120 - 520-120 13/36 SUZUKI LT-Z400 03-08 LT-Z400 09-14 LT-R450 06-09 520-96 14/40 14 1212-1739 - - - 520-96 14/40 - - - 520-96 14/36 SPROCKETS ALUMINUM REAR SPROCKET • Made from 7075-T6 aluminum for high strength • Fully CNC machined for a perfect fit • Grooved teeth prevent dirt buildup, helping to maximize sprocket and chain life • Finished with durable anodizing and great colors • The lightest and strongest aluminum sprocket on the market STEALTH REAR SPROCKETS •Gives you longer system life without compromising weight •Steel teeth last 4 times longer than aluminum • Pound-for-pound, the strongest sprocket on the market •The aluminum core is 70% lighter than steel •Forging rivets into the sprockets provides exceptional strength •Designed for bikes up to 1400cc in displacements • Great for street, MX, off-road and ATV applications of all sizes STEEL REAR SPROCKETS •Developed on the race track to give longer system life and high performance for street and off-road applications •Using CAD design and CNC-Laser cutting to ensure an exact fit on the wheel •Made to Supersprox high quality standards and includes our exclusive (2XZINK) anti-corrosion BLACK finish •One of the lightest steel sprockets on the market •Factory styling for great looks; the best-looking steel sprocket on the market COUNTERSHAFT SPROCKETS •Made from SCM-435 Carbon FREE steel and impregnated to guarantee zero breaking risk and extended sprocket life •Ultra-hard surface layer (0.5 mm) reduces friction to prevent power loss caused by chain drag •Fully lightened with radial holes for off-road and street applications • Grooved tooth design for off-road applications, just like our factory racing parts, allows fast dirt removal • Real Factory Team specification parts from the company supplying real factory teams 1210-1876 1210-1877 1210-1951 1211-2714
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