2021 Parts Unlimited Offroad

SPROCKETS parts-unlimited.com 2021 PARTS UNLIMITED OFFROAD BOLD MAGENTA part numbers are new for 2021 573 SPROCKETS continued on next page. 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 • Includes orange and blue discs 1 Edge countershaft sprocket. FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA RR 2T 125 19-20 13-50 520-120 12 1212-1576 1 47 1210-2035 (Stealth/​red) RR 2T 200 19 15-49 520-114 13 1212-1575 1 48 1210-2032 (Stealth/​gold) RR 2T 200 20 14-49 520-114 14 1212-1347 48 1210-2036 (Stealth/​red) RR 2T 250 13-17 13-49 520-114 14 1212-1577 1 48 1210-2041 (Stealth/​black) RR 2T 250 1819 15-49 520-114 15 1212-1578 1 49 1210-2033 (Stealth/​gold) RR 2T 250 20 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 14-48 520-114 52 1210-2040 (Stealth/​red) 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 17-20 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 18-20 13-48 520-112 RR-S 4T 430 17-20 15-48 520-112 RS 4T 430 15-16 15-48 520-114 RR 4T 450 13-14 13-48 520-112 RR 4T 498 13-14 13-48 520-112 RR-S 4T 500 17-20 15-48 520-114 RS 4T 500 15-16 15-48 520-114 RS 4T 520 14 13-48 520-114 XTrainer 300 15-18 13-51 520-114 12 1212-1576 1 - 13 1212-1575 1 14 1212-1347 14 1212-1577 1 15 1212-1578 1 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE BETA (CONT) RR 4T 350 11-12 13-50 520-114 12 1212-1576 1 48 1210-2157 (Steel/​black) RR 4T 400 05-09 14-50 520-114 13 1212-1575 1 48 1210-1952 (Stealth/​red) RR 4T 400 10-12 13-50 520-114 14 1212-1347 49 1210-1953 (Stealth/​red) RR 4T 450 05-09 14-50 520-114 14 1212-1577 1 50 1210-1878 (Steel/​black) RR 4T 450 10-12 13-49 520-112 15 1212-1578 1 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 GAS GAS EC125 03-04 13-51 520-126 - - 48 1210-2157 (Steel/​black) EC125 05-10 13- 520-126 48 1210-1952 (Stealth/​red) EC125 13-15 13-50 520-114 49 1210-1953 (Stealth/​red) MC125 03-04 13-51 520-126 50 1210-1878 (Steel/​black) SM125 03-08 13-42 520-108 50 1210-1955 (Stealth/​gold) EC200 03-10 13-48 520-116 52 1210-1954 (Stealth/​red) EC200 14-17 12-48 520- XC200 18-19 - - EC250 03-17 13-48 520- EC250 18 13-47 520- EC250 19 13-49 520- MC250 03-09 13-48 520-112 SM250 03-05 13-42 520-108 XC250 18-19 - - EC300 01-12 13-48 520-112 EC300 13-19 13-48 520- EC Ranger 300 20 12-48 520- XC300 18-19 - - 1210‑1955 1210‑2041 1210‑2070