BOLD MAGENTA part numbers are new for 2023 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2023 501 FITS MODEL STANDARD GEARING FRONT SIZE FRONT PART # REAR SIZE STEEL PART # ALUMINUM BLACK PART # SILVER PART # BLUE PART # RED PART # ORANGE PART # BETA RR 250 05-12 14/52 12 1212-1778 43 - - 1211-1533 - 1211-1645 - RR 350 11-12 13/50 13 1212-1779 45 - - - - 1211-1647 - RR 400/450 05-12 13/50 14 1212-1780 46 - - - 1211-1903 1211-1648 - RR 498 12-13 13/48 15 1212-1781 47 1210-1733 1211-1439 1211-1537 1211-1904 - - RR 520 10-14 13/18 48 1210-1734 1211-1440 1211-1538 1211-1905 1211-1650 - RR 500/525 05-11 14/50 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 13/49 12 1212-1778 41 - 1211-1846 - - 1211-1858 - RR 300/350 13-18 13/49 13 1212-1779 42 - 1211-1847 - - 1211-1859 - RR/RS 390 15-18 13/49 14 1212-1780 43 - 1211-1848 - - 1211-1860 - RR 400/450 13-18 13/50 15 1212-1781 44 - 1211-1849 - - - - RR/RS 430 15-18 13/48 45 - 1211-1850 - - - - RR 480 15-18 13/48 46 1210-1739 - - - 1211-1863 - RR 498 13-18 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 - BMW F650 (all models) 94-07 16/47 - - 47 - 1211-1984 - - - - G650 GS 11-15 16/47 F650 (for models w/ 10.5 mm bolts) 08-12 17/41 - - 41 - 1211-1990 - - - - F700 GS 13-18 17/42 - - 42 1210-2087 1211-1991 - - - - 47 1210-2088 1211-1992 - - - - F800 GS (for models w/ 10,5 mm bolts) 08-18 16/42 - - 41 - 1211-1990 - - - - F800 GS Adventure 13-18 17/42 42 1210-2087 1211-1991 - - - - 47 1210-2088 1211-1992 - - - - S1000 XR 14-18 17/45 - - 44 1210-2089 1211-1993 - - - - 45 1210-2090 1211-1994 - - - - SPROCKETS ALUMINUM REAR SPROCKETS • The 7075 T651 aluminum we use 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 • 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 Moose Racing rear sprockets are available in blue, orange, and red • See price list on page 514 STEEL REAR SPROCKETS • Manufactured from premium-quality C45 high-carbon steel • CNC precision-machined to assure tight tolerances • Machined with lightening holes • Attractive bright zinc-plated finish • See price list on page 514 CHROMOLY STEEL FRONT SPROCKETS • Machined from impact and wear resistant chromoly steel • Inner splines are broached to provide maximum spline-to-countershaft contact – this 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 • See price list on page 514 SPROCKETS continued on next page.
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