BOLD MAGENTA part numbers are new for 2025 SPROCKETS PARTS-UNLIMITED.COM STREET | 2025 981 SPROCKETS continued on next page. SPROCKETS 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 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 •Nearly all motorcycles come equipped from the factory with this sprocket FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE HONDA MB5 82 13-43 420-106 13 10313 - - - NS50F 90 14-43 420-118 14 10314 15 10315 NSR50R 04 14-42 420-76 13 10213 - - - 14 10214 C70 Passport 70/82-83 14-36 420-96 13 10213 - - - 12 10214 C70 Passport 80-81 14-36 420-96 13 10313 - - - C70M 70-73 14-39 420-98 14 10314 15 10315 CT70 71 15-38 420-88 13 10313 35 2-102235 (Steel) CT70 72-82 15-35 420-86 14 10314 36 2-102236 (Steel) CT70H 70-72 14-45 420-92 15 10315 38 2-102238 (Steel) CT70 91-94 15-35 420-86 44 2-102244 (Steel) CL70 69-70 13-47 420-102 46 2-102246 (Steel) CL70 71-72 13-49 420-102 SL70 71-72 13-44 420-96 ZB50 88 15-37 420-100 XL75 77-79 14-36 420-94 13 10213 35 2-102235 (Steel) 14 10214 36 2-102236 (Steel) 15 10215 38 2-102238 (Steel) 44 2-102244 (Steel) 46 2-102246 (Steel) XL80S 80-85 15-37 420-96 13 10313 35 2-102235 (Steel) 14 10314 36 2-102236 (Steel) 15 10315 38 2-102238 (Steel) 44 2-102244 (Steel) 46 2-102246 (Steel) SL90 69 14-46 428-102 15 20715 - - - CL90 69 14-45 428-100 CM91 68 14-40 428-100 CT90 Trail 90 68 14-45 428-100 - - 45 1210-0178 (Steel) CT90 69-72/74-79 15-45 428-104 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # REAR SIZE PART # REAR SPROCKET TYPE HONDA (CONT) CB100 70-72 14-40 428-102 15 20715 - - - CL100 70-72 14-40 428-104 CL100S 71-73 14-40 428-104 SL100 69-70 14-44 428-108 SL100 71-72 14-49 428-110 XL100 74-76 14-49 428-110 XL100 77-78 14-49 428-112 15 20715 35 1210-0173 (Steel) XL100S 79-80 15-45 428-118 13 1212-0811 - - - 14 20214 15 20215 XL100S 81-85 15-42 428-108 13 1212-0811 - - - 14 20214 15 20215 CT110 Trail 110 80 15-45 428-104 13 20613 - - - 14 20614 15 20615 CB125S 73-75 15-40 428-102 15 20715 - - - CB125S 76, 78-82 15-35 428-100 CL125S 73-74 15-43 428-103 SL125 71-73 15-49 428-110 XL125 74-75 15-52 428-118 CB125S 84 14-43 428-110 15 20715 35 1210-0173 (Steel) CT125 77 14-52 428-102 XL125 76-78 15-52 428-118 XL125S 79-82, 84 14-56 428-124 CB125TT 90 14-43 428-122 Grom 125 14-20 15-34 420-106 13 10313 34 1210-1345 (Steel) Grom 125A 18-20 15-34 420-106 14 10314 15 10315 Monkey 125/ MA 19-21 15-43 420-98 13 10213 - - - 14 10214 15 10215 NX125 88 15-56 428-130 15 20715 - - - NX125 89-90 15-48 428-126 ALUMINUM WORKS TRIPLESTAR REAR SPROCKETS • Constructed of high-quality, aerospace-grade 7075-T6 aluminum •Computer-designed weight-reduction holes for lightness •Exclusive tooth-valley design provides 24% better chain contact area for the best power transfer possible •Hard-anodized coating for added durability and a superb finish
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