BOLD MAGENTA part numbers are new for 2025 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2025 SPROCKETS 695 SPROCKETS continued on next page. FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA 125 RR 2T 19-23/ Race 2T 19-23 13-50 520-120 12 1212-2286 47 1210-2035 (Stealth/red) 200 RR 2T 19 15-49 520-114 12 1212-15761 48 1210-2032 (Stealth/gold) 200 RR 2T 20-23 14-49 520-114 13 1212-15751 49 1210-2037 (Stealth/red) 250 RR 2T 13-17 13-49 520-114 14 1212-15771 50 1210-2038 (Stealth/red) 250 RR 2T 18-19 15-49 520-114 15 1212-15781 51 1210-2039 (Stealth/red) 250 RR 2T 20-23 14-49 520-114 52 1210-2040 (Stealth/red) 300 RR 2T 13-17 13-49 520-114 300 RR 2T 18 -49 520-114 300 RR 2T 19 -48 520-114 300 RR 2T 20-23 14-48 520-114 300 RX 2T 21 14-48 520-114 300 Xtrainer 19 13-48 520-112 300 Xtrainer 20 13-49 520-114 350 RR 4T 13-20 13-50 520-114 350 RR-S 4T 13-20 13-50 520-114 RR 390 4T 15-20 13-49 520-114 390 RR-S 4T 17-23 15-48 520-114 390 RS 4T 15 13-48 520-114 390 RS 4T 16 15-48 520-114 400 RR 4T 12-14 13-50 520-114 400 RS 4T 14 13-50 520-114 430 RR 4T 15-17 13-48 520-114 430 RR 4T 18-21 13-48 520-112 430 RR-S 4T 17-23 15-48 520-112 430 RS 4T 15-16 15-48 520-114 450 RR 4T 13-14 13-48 520-112 480 RR 4T 18-21 13-48 520-112 498 RR 4T 13-14 13-48 520-112 500 RR-S 4T 17-23 15-48 520-114 500 RS 4T 15-16 15-48 520-114 520 RS 4T 14 13-48 520-114 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA (CONT) 125 RR Race 2T 22-23 13-50 520-120 12 1212-2286 - - - 200 RR Race 2T 22-23 14-49 520-120 12 1212-15761 250 RR 2T Race 22-23 14-49 520-114 13 1212-15751 300 RX 2T 22-23 14-48 520-114 14 1212-15771 300 XTrainer 15-18 13-51 520-114 15 1212-15781 300 Xtrainer 21-23 13-42 520-114 350 RR 4T 21-23 13-50 520-114 350 RR 4T Race 22-23 13-50 520-114 350 RR-S 4T 22 15-48 520-114 390 RR 4T 21 13-49 520-114 390 RR Race 4T 22-23 13-49 520-114 430 RR 4T 21 13-49 520-112 430 RR Race 4T 22-23 13-49 520-112 480 RR 4T 23 13-49 520-112 480 RR Race 4T 22-23 13-49 520-112 350 RR 4T 11-12 13-50 520-114 12 1212-2286 48 1210-2157 (Steel/black) 400 RR 4T 05-09 14-50 520-114 12 1212-15761 48 1210-1952 (Stealth/red) 400 RR 4T 10-12 13-50 520-114 13 1212-15751 49 1210-1953 (Stealth/red) 450 RR 4T 05-09 14-50 520-114 14 1212-15771 50 1210-1878 (Steel/black) 450 RR 4T 10-12 13-49 520-112 15 1212-15781 50 1210-1955 (Stealth/gold) 498 RR 4T 12 13-48 520-112 520 RR 4T 10-11 13-48 520-112 525 RR 4T 05-09 14-50 520-114 BMW G450X 07-10 15-48 520-114 13 1212-1406 - - 14 1212-1407 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, offroad 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 offroad 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 (0.5 mm) reduces friction to prevent power loss caused by chain drag •Fully lightened with radial holes for offroad and street applications • Grooved tooth design for offroad 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 1210-1955 1210-2070 1210-2157 1 Edge countershaft sprocket. Includes orange and blue discs.
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