DIRT TRICKS 49 TOOTH REAR SPROCKET CHROMOLY STEEL 2 YEAR WEAR WARRANTY Heat treated chromoly steel - Light Weight. Tired of replacing worn sprockets? This is the solution - Engineered, built, and raced by racers. 200,000 psi steel vs. 40,000 psi aluminum. Ironman sprockets are the toughest racing sprockets made. They are virtually the same weight as an aluminum sprocket but approximately 5 times the strength. This incredible strength has allowed us to use minimal material and at the same time provide a product that is stronger than any sprocket you have ever owned. The birth of a sprocket: Our sprockets begin their life in 3D modeling software to optimize stress distribution and weight savings. Then, programming code is transferred to a Swiss-made, $750,000 CNC laser cutting machine that is accurate within .001" (that is one third of a human hair). They are heat treated to the hardness of a Snap On wrench. Our sprockets are then precision surface ground flat to within .001". Finishing details are CNC machined. Sprockets are then bead blasted, nickel and chrome plated for corrosion and additional wear protection. They are inspected for tolerance and run out. They are laser engraved with the model and manufacturing info. You Save - $10.90 with free USPS Priority Mail Shipping included in the USA! NOTE: This sprocket DOES NOT FIT the 2013 & newer Beta Models OR 2014 & newer Husqvarnas built by KTM or 2022 GasGas built by KTM we recommend using new sprocket bolts every time you change to a new rear sprocket. (Sold Separately $8.95) just send us a message & we can send you an invoice & combine for free shipping FITS: FITS: 2021-2023 Rieju MR200, 250, 300 Enduro Models
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