VISIT WWW.MOOSERACING.COM FOR MORE OFF-ROAD CONTENT BIKE DRIVE SPROCKET GUIDE (CON’T) ALUMINUM SPROCKETS FITS MODEL CHAIN STANDARD GEARING FRONT SIZE FRONT PART # REAR SIZE STEEL PART # BLACK PART # SILVER PART # BLUE PART # RED PART # ORANGE PART # RR 250 05-12 520 -120 14/ 52 12 1212 -17 78 41 - - - - - - RR 350 11-12 520 -120 13/ 50 13 1212 -17 79 42 - - - - - - RR 400/450 05 -12 520 -120 13/ 50 14 1212 -1780 43 - - 1211-1533 - 1211-1645 - RR 498 12-13 520 -120 13/48 15 1212 -1781 44 - - - 1211-1901 - - RR 520 10 -14 520 -120 13/ 18 45 - - - - 1211-1647 - RR 500/525 05 -11 520 -120 14/ 50 46 - - - 1211-1903 1211-1648 - 47 1210 -1733 1211-1439 1211-1537 1211-1904 - - 48 1210 -1734 1211-1440 1211-1538 1211-1905 1211-1650 - 49 1210 -1735 1211-1441 1211-1539 1211-1906 1211-1651 - 50 1210 -1736 1211-1442 1211-1540 1211-1907 1211-1652 - 51 1210 -1737 1211-1443 1211-1541 1211-1908 1211-1653 - 52 1210 -1738 1211-1444 - - 1211-1654 - RR 250 13 -18 520 -120 13/49 12 1212 -17 78 41 - 1211-1846 - - 1211-1858 - RR 300/350 13 -18 520 -120 13/49 13 1212 -17 79 42 - 1211-1847 - - 1211-1859 - RR/RS 390 15 -18 520 -120 13/49 14 1212 -1780 43 - 1211-1848 - - 1211-1860 - RR 400/450 13 -18 520 -120 13/ 50 15 1212 -1781 44 - 1211-1849 - - - - RR/RS 430 15 -18 520 -120 13/48 45 - 1211-1850 - - 1211-1862 - RR 480 15 -18 520 -120 13/48 46 1210 -1739 - - - 1211-1863 - RR 498 13 -18 520 -120 13/48 47 1210 -1740 - - - - - 48 1210 -1741 1211-1853 - - 1211-1865 - 49 1210 -1742 1211-1854 - - 1211-1866 - 50 1210 -1743 1211-1855 - - 1211-1867 - 51 1210 -1744 1211-1856 - - 1211-1868 - 52 - - - - 1211-1869 - GAS GAS EC/ECR 125 99 -15 520 -120 13/48 12 1212 -1806 41 - - - - - - 13 1212 -1803 42 - - - - - - 43 - - 1211-1533 - 1211-1645 - 44 - - - - - - 45 - - - - 1211-1647 - 46 - - - 1211-1903 1211-1648 - 47 1210 -1733 1211-1439 1211-1537 1211-1904 - - 48 1210 -1734 1211-1440 1211-1538 1211-1905 1211-1650 - 49 1210 -1735 1211-1441 1211-1539 1211-1906 1211-1651 - 50 1210 -1736 1211-1442 1211-1540 1211-1907 1211-1652 - 51 1210 -1737 1211-1443 1211-1541 1211-1908 1211-1653 - 52 1210 -1738 1211-1444 - - 1211-1654 - EC/ECR 200 99 -15 520 -120 13/48 - 41 - - - - - - EC/ECR/MC 250 97-15 520 -120 13/48 42 - - - - - - EC/ECR/ECF/MC 300 00 -15 520 -120 13/48 43 - - 1211-1533 - 1211-1645 - EC/SM 400 -515 00 -15 520 -120 13/48 44 - - - - - - 45 - - - - 1211-1647 - 46 - - - 1211-1903 1211-1648 - 47 1210 -1733 1211-1439 1211-1537 1211-1904 - - 48 1210 -1734 1211-1440 1211-1538 1211-1905 1211-1650 - 49 1210 -1735 1211-1441 1211-1539 1211-1906 1211-1651 - 50 1210 -1736 1211-1442 1211-1540 1211-1907 1211-1652 - 51 1210 -1737 1211-1443 1211-1541 1211-1908 1211-1653 - 52 1210 -1738 1211-1444 - - 1211-1654 - HONDA CRF50/ XR50R 00 -21 420/ 78 14/37 14 1212 - 2012 37 1210 - 2738 - - - - - 15 1212 - 2013 - - - - - - - CR60R 83 - 84 420 -104 14/45 12 1212 -1814 - - - - - - - 13 1212 -1815 - - - - - - - 14 1212 -1816 - - - - - - - 15 1212 -1817 - - - - - - - CHROMOLY-STEEL FRONT SPROCKETS $14.95 - $26.95 ° Machined from impact and wear resistant chromoly steel ° Inner splines broached to provide maximum spline-to-countershaft contact, which helps distribute driveline forces over the largest possible area ° Heat treated, then finished with a nickel coating for corrosion resistance and lubricity ° BE SURE TO CHECK FOR CLEARANCE WHEN ORDERING SIZES LARGER THAN STOCK ° Made in the USA ALUMINUM REAR SPROCKETS $30.95 - $64.95 ° The 7075 T651 aluminum used for these sprockets receives an extra tempering, which reduces distortion and provides optimal thickness vs typically thinner 7075 T6 sprockets ° 100% machined, no stamping or grinding ° Optimal tooth thickness results in maximum tooth and chain contact ° Most Moose Racing® rear sprockets come anodized in black; some Moose Racing® rear sprockets are available in red, orange, or blue (indicated by footnote) ° Made in the USA BETA 208
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