BOLD MAGENTA part numbers are new for 2023 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2023 JT SPROCKETS continued on next page. 559 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 RUBBER CUSHIONED FRONT SPROCKETS “RB” • Used by the major Japanese motorcycle manufacturers since early 1990’s to dampen the chain impact on the teeth of the front sprocket • These same sprockets are now available to the aftermarket • Quality, design and OEM proven technology are the same as what is supplied to the motorcycle manufacturers SELF-CLEANING SPROCKETS “SC” • Manufactured with self-cleaning grooves for added life and performance • Made of stainless steel ALUMINUM REAR SPROCKETS “AL” • Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC machined for performance and lifespan • Manufactured from the best materials with a special self-cleaning design, and hand-finished to perfection • Select aluminum sprockets are available in colored options, see fitment chart NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating. RACELITE ALUMINUM REAR SPROCKETS • JT sprockets is proud to introduce the new RaceLite range of anodized 7075-T6 aluminum sprockets • Available in hard wearing color options, see fitment section for details 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 38 1210-0630 ST 300RR 2T 13-14 13-49 520-114 13 1212-0513 SC 39 1210-0631 ST 14 1212-0514 SC 40 1210-0083 ST 15 1212-0837 SC 40 1211-2562 RED 40 1211-2636 BLK 42 1210-1726 ST 42 1211-2563 RED 42 1211-2637 BLK 43 1210-1727 ST 44 1210-0084 ST 44 1211-2564 RED 44 1211-2638 BLK 45 1211-0812 AL 45 1211-2639 BLK 45 1211-2565 RED 46 JTR210-46 STL 46 1211-2566 RED 46 1211-2640 BLK 47 1211-2567 BLK 47 1211-2568 RED 47 1210-2595 GR 48 1211-2569 RED 48 1211-2641 BLK 48 1210-2596 GR 49 1211-2570 RED 49 1211-2642 BLK 49 1210-2597 GR 50 1211-2571 RED FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES BETA (CONT) 250RR 2T 13-14 (CONT) 13-49 520-114 12 JTF1901-12 50 1211-2643 BLK 300RR 2T 13-14 13-49 520-114 13 1212-0513 SC 50 1210-2598 GR (CONT) 14 1212-0514 SC 51 1211-2572 RED 15 1212-0837 SC 51 1211-2644 BLK 51 1210-2599 GR 52 1211-2573 RED 52 1211-2645 BLK 52 1210-2600 GR 53 1211-2574 RED 53 1211-2646 BLK 350RR 12 13-50 520-114 12 JTF1901-12 41 1210-0841 ST 400RR 10-12 13-50 520-114 13 1212-0513 SC 42 JTR822-42 ST 450RR 10-12 13-50 520-112 14 1212-0514 SC 44 1210-0842 ST 498 RR 12 13-50 520-112 15 1212-0837 SC 44 1211-2596 BLK 520RR 10-11 13-50 520-112 45 1210-0658 ST 45 1211-2597 BLK 47 1210-0659 ST 48 1212-0243 ST 48 1211-2672 BLK 49 JTR822-49 ST 49 1211-2598 BLK 50 1212-0244 ST 50 1211-2673 BLK 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK KEY TO NOTES: LW = Lightweight front. ST = Steel. AL = Aluminum. RB = Rubber cushioned. SC= Self-cleaning steel. BLK = RaceLite black aluminum sprocket ORG = RaceLite orange aluminum sprocket RED = RaceLite red aluminum sprocket BLU = RaceLite blue aluminum sprocket GR = Twinstar, graphite T6 aluminum center with high carbon steel outer ring Steel Sprocket Countershaft Rubber Cushioned Self-Cleaning Aluminum RaceLite black RaceLite orange Twinstar
RkJQdWJsaXNoZXIy OTcxOTk3