BOLD MAGENTA part numbers are new for 2024 SPROCKETS PARTSCANADA .COM OFFROAD | 2024 355 JT SPROCKETS continued on next page. FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES BETA 250RR 2T 13-14 13-49 520-114 12 JTF1901-12 47 JTR210-47 ST 300RR 2T 13-14 13-49 520-114 13 1212-0513 LW 48 1210-2435 SC 13 1212-0513 LW 50 JTR210-50 ST 14 1212-0514 LW 51 1210-2438 SC - 52 JTR210-52 ST - 53 JTR210-53 ST 350RR 12 13-50 520-114 12 JTF1901-12 42 JTR822-42 ST 400RR 10-12 13-50 520-114 13 1212-0513 LW - 450RR 10-12 13-50 520-112 14 1212-0514 LW - 498 RR 12 13-50 520-112 - - 520RR 10-11 13-50 520-112 - - 430 RR 15-21 13-50 520-112 - - 47 JTR210-47 ST 450 RR 13-14 13-50 520-112 - 48 1210-2435 SC 480 RR 15-21 13-50 520-112 - 50 JTR210-50 ST 498 RR 13-16 13-50 520-112 - 51 1210-2438 SC - 52 JTR210-52 ST - 53 JTR210-53 ST BMW G450X 08-10 15-48 520-114 15 1212-0767 - - F700GS 13-17 17-42 525-116 - - 42 1210-0639 ST F800GS 08-12 16-42 525-116 - - 42 1210-0639 ST F800GS 13-17 17-42 525-116 - - 42 1210-0639 ST GASGAS 125EC/XC 03-11 13-48 520-112 13 JTF564-13 42 JTR822-42 ST 250EC/XC 00-11 13-47 520-114 13 1212-0605 42 JTR822-42 ST 300EC/XC 00-11 13-47 520-114 13 1212-0605 42 JTR822-42 ST SM400 03-04 13-42 520-112 13 1212-0605 42 JTR822-42 ST FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES GASGAS (CONT) SM450 03-04 13-42 520-112 13 1212-0605 42 JTR822-42 ST HONDA Z50A 69-78 12-37 420-76 12 JTF252-12 37 1210-0085 ST 13 JTF252-13 - Z50R 79-81 12-37 420-76 14 JTF252-14 - Z50R 82-87 13-37 420-76 15 JTF252-15 - Z50R 88-99 14-37 420-76 - - - Z50RD 86, 92-93 - - CRF50F 04-16/ XR50R 00-04 14-37 420-78 13 JTF1256-13 37 1212-0232 ST 14 JTF1256-14 - 15 JTF1256-15 - CR60R 83-84 14-45 420-104 - - 36 JTR1214-36 ST - 46 JTR1214-46 ST CT70 69-71 15-38 420-88 - - 35 JTR256-35 ST CT70H 70-72 14-45 420-92 - - - CT70 91-94 15-35 420-86 - - SL70 71-72 13-44 420-96 - - XL70 74-76 13-44 420-96 - - XR70R 97-99 15-36 420-86 - - 36 JTR1214-36 ST - 46 JTR1214-46 ST CRF70 04-12/ XR70R 00-04 15-36 420-86 13 JTF1256-13 36 JTR1214-36 ST 14 JTF1256-14 46 JTR1214-46 ST 15 JTF1256-15 - - XL75 77-79 14-36 420-94 12 JTF252-12 35 JTR256-35 ST XR75 73-76 14-44 420-100 13 JTF252-13 36 JTR256-36 ST XR75 77-78 14-46 420-100 14 JTF252-14 - - 15 JTF252-15 - JT SPROCKETS •Computer-designed to achieve ultimate strength at minimum weight •JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value •Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry •Sprockets are heat-treated and bead-blasted to reduce material surface tension • Unless noted, front sprockets are made with C45 steel and SCM415 chromoly steel alloy; rear sprockets are made with top-quality-grade C45 high-carbon steel •Aluminum rear sprockets are made with high-strength Austrian 7075-T6 anodized aluminum •JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces unsprung rotating weight and improves performance •Lightweight front sprockets available for some applications as noted SELF-CLEANING SPROCKETS “SC” •Manufactured with self-cleaning grooves for added life and performance •Made of stainless steel NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating. Aluminum Steel Self cleaning KEY TO NOTES: LW = Lightweight front. ST = Steel. AL = Aluminum. SC = Self-cleaning steel.
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