BOLD MAGENTA part numbers are new for 2025 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2025 SPROCKETS 633 SPROCKETS continued on next page. SPROCKETS ALUMINUM WORKS TRIPLESTAR REAR SPROCKETS •Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for every major Japanese motorcycle builder since 1946 •Constructed of high-quality, aerospace grade 7075-T6 aluminum •Computer-designed weight reduction holes for the best combination of lightness, strength and stability •Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible •Hard anodized coating for added durability and a superb finish •Cleaning grooves added at bottom of tooth area STEEL OEM REPLACEMENT REAR SPROCKETS •Constructed of the highest quality 1045 high-carbon steel •Exclusive heat treatment and quenching process for strength and durability • The strongest, longest lasting steel replacement sprocket available POWERDRIVE COUNTERSHAFT SPROCKETS •Manufactured from case-hardened chromoly steel for unparalleled strength and durability • Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance •Most race applications feature drilled weight-reduction holes (depends on application/tooth size) •Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946 Countershaft sprocket Steel and aluminum rear sprockets FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # SPROCKET TYPE BETA 200 RR 2T 20-24 14-49 520- 12 1212-0263 - - - 250 RR 2T 20-24 14-52 520- 13 35713 250 RR 2T Enduro 13-24 13-49 520-114 14 35714 250 RR 2T Enduro 18-24 14-49 520- 15 1212-0742 250 RR 2T Racing 13-24 13-49 520-114 300 Xtrainer 15-17 15-51 520-114 300 RR 2T 20-24 14-48 520300 RR 2T Enduro 18-24 14-49 520300 RR 2T Enduro 13-24 13-49 520-114 300 RR 2T Racing 18-23 14-49 520-114 300 RR 2T Racing 13-24 13-49 520-114 350 RR 2T 13 13-49 520350 RR 4T Enduro 13-16 13-50 520-114 350 RR 4T Racing 13-24 13-50 520-114 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # SPROCKET TYPE BETA (CONT) 350 RRS 4T Enduro 17-24 15-48 520-114 1212-0263 - - - 390 RR 4T Enduro 15-17 13-50 520-114 35713 390 RR 4T Racing 15-24 13-49 520-114 35714 390 RRS 4T Enduro 17-24 15-48 520-114 1212-0742 390 RS 4T Enduro 15-16 13-48 520-114 400 RR 4T Enduro 13-15 13-50 520-114 400 RR 4T Enduro 15-17 13-49 520-112 430 RR 4T Enduro/ Racing 15-17 13-49 520-112 430 RR 4T Racing 18-23 13-48 520-112 430 RRS 4T Enduro 17-23 15-48 520-114 430 RS 4T Enduro 15-16 13-48 520-114 450 RR 13-14 13-48 520-
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