BOLD MAGENTA part numbers are new for 2024 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2024 SPROCKETS continued on next page. 663 SPROCKETS ALUMINUM REAR SPROCKETS • Made from 7075-T6 aluminum for high strength • Fully CNC machined for a perfect fit • Grooved teeth prevent dirt build up, 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 provide 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 designed and CNC-Laser cutting to ensure an exact fit on the wheel •Made to Supersprox high quality standards and include our exclusive (2XZINK) anti corrosion BLACK finish •One of the lightest steel sprockets on the market •Factory styling for great look; 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 (0.5mm) 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 •Edge countershaft sprockets available for select models as noted •Edge sprockets feature aluminum core inserts that are used models using a compression washer for mounting; aluminum core is not used with circlip fitment FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA RR 2T 125 19-23/ Race 19-21 13-50 520-120 12 1212-15761 47 1210-2035 (Stealth/red) RR 2T 200 19 15-49 520-114 13 1212-15751 48 1210-2032 (Stealth/gold) RR 2T 200 20-23/ Race 20-21 14-49 520-114 14 1212-15771 48 1210-2036 (Stealth/red) RR 2T 250 13-17 13-49 520-114 15 1212-15781 48 1210-2041 (Stealth/black) RR 2T 250 18-19 15-49 520-114 49 1210-2033 (Stealth/gold) RR 2T 250 20-23 14-49 520-114 49 1210-2037 (Stealth/red) RR 2T 300 13-17 13-49 520-114 50 1210-2034 (Stealth/gold) RR 2T 300 18 -49 520-114 50 1210-2038 (Stealth/red) RR 2T 300 19 -48 520-114 51 1210-2039 (Stealth/red) RR 2T 300 20-23 14-48 520-114 52 1210-2040 (Stealth/red) RX 2T 300 21 14-48 520-114 X Trainer 300 19 13-48 520-112 X Trainer 300 20 13-49 520-114 RR 4T 350 13-20 13-50 520-114 RR-S 4T 350 13-20 13-50 520-114 RR 4T 390 15-20 13-49 520-114 RR-S 4T 390 17-23 15-48 520-114 RS 4T 390 15 13-48 520-114 RS 4T 390 16 15-48 520-114 RR 4T 400 12-14 13-50 520-114 RS 4T 400 14 13-50 520-114 RR 4T 430 15-17 13-48 520-114 RR 4T 430 18-21 13-48 520-112 RR-S 4T 430 17-23 15-48 520-112 RS 4T 430 15-16 15-48 520-114 RR 4T 450 13-14 13-48 520-112 RR 4T 480 18-21 13-48 520-112 RR 4T 498 13-14 13-48 520-112 RR-S 4T 500 17-23 15-48 520-114 RS 4T 500 15-16 15-48 520-114 RS 4T 520 14 13-48 520-114 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA (CONT) RR 2T 125 Race 22-23 13-50 520-120 12 1212-15761 - - - RR 2T 200 Race 22-23 14-49 520-120 13 1212-15751 RR 2T 250 Race 22-23 14-49 520-114 14 1212-15771 XTrainer 300 15-18 13-51 520-114 15 1212-15781 RX 2T 300 22-23 14-48 520-114 Xtrainer 300 21-23 13-42 520-114 RR 4T 350 21-23 13-50 520-114 RR 4T 350 Race 22-23 13-50 520-114 RR-S 4T 350 22 15-48 520-114 RR 4T 390 21 13-49 520-114 RR 4T 390 Race 22-23 13-49 520-114 RR 4T 430 21 13-49 520-112 RR 4T 430 Race 22-23 13-49 520-112 RR 4T 480 23 13-49 520-112 - - RR 4T 480 Race 22-23 13-49 520-112 RR 4T 350 11-12 13-50 520-114 12 1212-15761 48 1210-2157 (Steel/black) RR 4T 400 05-09 14-50 520-114 13 1212-15751 48 1210-1952 (Stealth/red) RR 4T 400 10-12 13-50 520-114 14 1212-15771 49 1210-1953 (Stealth/red) RR 4T 450 05-09 14-50 520-114 15 1212-15781 50 1210-1878 (Steel/black) RR 4T 450 10-12 13-49 520-112 50 1210-1955 (Stealth/gold) RR 4T 498 12 13-48 520-112 52 1210-1954 (Stealth/red) RR 4T 520 10-11 13-48 520-112 RR 4T 525 05-09 14-50 520-114 BMW G450X 07-10 15-48 520-114 13 1212-1406 - - 14 1212-1407 15 1212-1408 1210-1955 1210‑2041 1210-2070 1 Edge countershaft sprocket. Includes orange and blue discs.
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