BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | OFFROAD SPROCKETS SPROCKETS 600 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 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 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 FITS MODEL CHAIN STANDARD GEARING FRONT SIZE PART # REAR SIZE STEEL PART # ALUMINUM BLACK PART # SILVER PART # BLUE PART # RED PART # ORANGE PART # BETA 250 RR 05-12 520-120 14/52 13 1212-2217 43 - - - - 1211-1645 - 350 RR 11-12 520-120 13/50 14 1212-2218 45 - - - - 1211-1647 - 400/450 RR 05-12 520-120 13/50 15 1212-2219 46 - - - 1211-1903 - - 498 RR 12-13 520-120 13/48 16 1212-2220 47 1210-1733 1211-1439 1211-1537 1211-1904 - - 520 RR10-14 520-120 13/18 48 1210-1734 1211-1440 1211-1538 1211-1905 1211-1650 - 500/525 RR 05-11 520-120 14/50 49 1210-1735 1211-1441 1211-1539 1211-1906 1211-1651 - 50 1210-1736 - - - 1211-1652 - 51 1210-1737 1211-1443 1211-1541 1211-1908 1211-1653 - 52 1210-1738 1211-1444 - - 1211-1654 - 250 RR 13-18 520-120 13/49 - - 41 - 1211-1846 - - 1211-1858 - 300/350 RR 13-18 520-120 13/49 42 - 1211-1847 - - - - 390 RR/RS 15-18 520-120 13/49 43 - - - - 1211-1860 - 400/450 RR 13-18 520-120 13/50 44 - 1211-1849 - - - - 430 RR/RS 15-18 520-120 13/48 45 - 1211-1850 - - - - 480 RR 15-18 520-120 13/48 46 1210-1739 - - - 1211-1863 - 498 RR 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 - BMW F650 (all models) 94-07 16-47 - - 47 - 1211-1984 - - - - G650GS 11-15 - - - - - - - F650 (for models w/ 10.5 mm bolts) 08-12 17/41 42 1210-2087 1211-1991 - - - - F700GS 13-18 17/42 47 1210-2088 - - - - - F800GS (for models w/ 10,5 mm bolts) 08-18 16/42 42 1210-2087 1211-1991 - - - - F800GS Adventure 13-18 17/42 47 1210-2088 - - - - - S1000XR 17/45 45 1210-2090 - - - - - 1212-2217 1210-2739 1211-1439 1211-1537 1211-1659 1211-1645 1211-1903
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