BOLD MAGENTA part numbers are new for 2026 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2026 SPROCKETS 655 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES KTM (CONT) LC4 94-95/97-98 15-50 520-118 14 JTF1902-14 38 JTR897-38 ST 620 EXC LC4 96 15-48 520-118 15 JTF1902-15 38 1211-2676 BLK 620 RXC LC4 94 16-45 - 16 JTF1902-16 38 1211-2626 ORG 620 RXC LC4 95-97 16-40 - 16 1212-1688 RB 40 1210-2472 SC 620 SX LC4 94-98 15-50 520- 17 JTF1902-17 40 1211-2677 BLK 620 SC Supermoto 17-40 520- 17 1212-1689 RB 40 1211-2687 ORG 625 LC4 SC Supermoto 02 16-42 520- 41 1211-2627 ORG 625 LC4 Supercompetition 02 15-42 520- 41 1211-2628 BLK 625 SMC 04 16-38 520- 42 1210-2461 SC 625 SXC 03-06 16-40 520- 42 1211-2678 BLK 42 1211-2688 ORG 45 1210-2473 SC 45 1211-2679 BLK 45 1211-2689 ORG 47 1211-2680 BLK 47 1211-2690 ORG 48 1210-2453 SC 48 1211-2681 BLK 48 1211-2691 ORG 48 1210-2612 GR 49 1210-2454 SC 49 1211-2682 BLK 49 1211-2691 ORG 49 1210-2613 GR 50 1210-2455 SC 50 1211-2683 BLK 50 1211-2684 ORG 50 1210-2614 GR 51 1210-2456 SC 51 1211-2684 BLK 51 1211-2694 ORG 51 1210-2615 GR 52 1210-2457 SC 52 1211-2685 BLK 52 1211-2695 ORG 640 LC4 Adve R 99-06 16-42 520- 14 JTF1902-14 38 JTR897-38 ST 640 LC4 Duke 00-03 17-38 520- 16 JTF1902-16 38 1211-2676 BLK 640 LC4 E End 00-05 16-42 520- 15 JTF1902-15 38 1211-2626 ORG 640 LC4 Duke 04-06 17-42 520- 16 1212-1688 RB 40 1210-2472 SC 660 SMC 03-04 16-38 520- 17 JTF1902-17 40 1211-2677 BLK 660 SMC 05-06 17-40 520- 17 1212-1689 RB 40 1211-2687 ORG 690 Enduro/R 08-13 15-45 520- 41 1211-2627 ORG 41 1211-2628 BLK 42 1210-2461 SC 42 1211-2678 BLK 42 1211-2688 ORG 45 1210-2473 SC 45 1211-2679 BLK 45 1211-2689 ORG 47 1211-2680 BLK 47 1211-2690 ORG 48 1210-2453 SC 48 1211-2681 BLK 48 1211-2691 ORG 48 1210-2612 GR 49 1210-2454 SC 49 1211-2682 BLK FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES KTM (CONT) 640 LC4 Adve R 99-06 16-42 520- 14 JTF1902-14 49 1211-2692 ORG 640 LC4 Duke 00-03 17-38 520- 16 JTF1902-16 49 1210-2613 GR 640 LC4 E End 00-05 16-42 520- 15 JTF1902-15 50 1210-2455 SC 640 LC4 Duke 04-06 17-42 520- 16 1212-1688 RB 50 1211-2683 BLK 660 SMC 03-04 16-38 520- 17 JTF1902-17 50 1211-2693 ORG 660 SMC 05-06 17-40 520- 17 1212-1689 RB 50 1210-2614 GR 690 Enduro/R 08-13 (CONT) 15-45 520- 51 1210-2456 SC 51 1211-2684 BLK 51 1211-2694 ORG 51 1210-2615 GR 52 1210-2457 SC 52 1211-2685 BLK 52 1211-2695 ORG 950 Super Enduro 06-10 16-45 525- 16 1212-0764 42 1210-0104 ST 950 LC8 Adventure/S 03-06 17-42 525- 16 1212-1251 RB 45 1210-0668 ST 950 LC8 Adventure S 04-06 17-42 525- 17 1212-0182 RB 990 Adventure/S 07-12 16-45 525- 17 1212-1252 RB MAICO All models 83-86 - 520- 12 JTF1901-12 - - 13 1212-0513 SC 14 1212-0514 SC 15 1212-0837 SC SUZUKI RM50 78-80 12-42 420-92 11 JTF563-11 31 1210-2724 ST TS50 71-74 15-42 420-112 12 JTF563-12 32 1210-0671 ST MT50 71-72 13-28 420-92 13 JTF563-13 33 1212-0241 ST MT50 73 13-32 420-92 14 JTF563-14 37 JTR801-37 ST 38 1210-0680 ST JR50 78-82 13-28 420-78 11 JTF563-11 28 JTR1780-28 ST JR50R 83 13-28 420-78 12 JTF563-12 JR50R 85-06 13-28 420-78 13 JTF563-13 14 JTF563-14 RM60 79 12-44 420-94 11 JTF563-11 31 1210-2724 ST RM60 80-83 12-42 420-92 12 JTF563-12 32 1210-0671 ST 13 JTF563-13 33 1212-0241 ST 14 JTF563-14 37 JTR801-37 ST 38 1210-0680 ST RM60 03 13-44 420- 12 JTF546-12 44 JTR464-44 ST 420-104 13 JTF546-13 14 JTF546-14 15 JTF546-15 RM65 03-05 13-47 420- 12 JTF546-12 46 JTR1465-46 ST 14 JTF546-14 47 JTR1465-47 ST RM65 03-05 (420 to 428 Conversion Sprockets) - - 13 JTF555-13 - - 14 JTF555-14 15 JTF555-15 DR-Z70 09-12 13-33 428- 13 JTF428-13 - - TM75 74-75 15-42 420-112 11 JTF563-11 31 1210-2724 ST TM75 76 15-39 420-112 12 JTF563-12 32 1210-0671 ST TS75 75-77 15-42 420-110 13 JTF563-13 33 1212-0241 14 JTF563-14 37 JTR801-37 ST 38 1210-0680 ST JT SPROCKETS continued on next page. KEY TO NOTES: AL = Aluminum. LW = Lightweight front. RB = Rubber cushioned. SC= Self-cleaning steel. ST = Steel. BLK = RaceLite black aluminum sprocket. BLU = RaceLite blue aluminum sprocket. GLD = RaceLite gold aluminum sprocket. GR = Twinstar, graphite T6 aluminum center with high carbon steel outer ring.Also available in blue (TWBLU), and gold (TWGD). ORG = RaceLite orange aluminum sprocket. RED = RaceLite red aluminum sprocket. JT SPROCKETS (CONT)
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