BOLD MAGENTA part numbers are new for 2026 SPROCKETS PARTS-UNLIMITED.COM OFFROAD | 2026 SPROCKETS 643 FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES HUSQVARNA (CONT) WRK 250-260 Enduro 90-94 14-50 520-120 12 1212-2011 ST 41 1210-0841 ST 14 1212-0231 ST 42 JTR822-42 ST 44 1210-0842 ST 44 1211-2596 BLK 45 1211-2597 BLK 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 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK CR 250 90-91 14-50 520-120 13 JTF507-13 41 1210-0841 ST CR 250 92-94 14-48 520-120 14 JTF507-14 42 JTR822-42 ST CR 250 95-97 13-48 520-120 44 1210-0842 ST WR 250 Enduro 92-98 14-48 520-112 44 1211-2596 BLK WR/CR 250 90-93 14-48 520-112 45 1211-2597 BLK 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 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK TC/R 250 09-13 13-50 520-112 - - 51 1210-0765 ST TE 250 11-13 13-50 520-112 TXC 250 11-12 13-50 520-112 TE 310 11-12 13-50 520-112 WR 300 09-10 13-48 520-112 - - 51 1210-0765 ST WR 300 11-12 14-48 520-112 TE 310 09-10 13-50 520-112 TE 350 90-95 15-51 520-120 14 1212-0836 SC 41 1210-0841 ST 15 1212-0674 42 JTR822-42 ST 44 1210-0842 ST 44 1211-2596 BLK 45 1211-2597 BLK 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 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK CR 360 92-94 13-48 520-116 13 JTF507-13 41 1210-0841 ST WR 360 92-98 13-48 520-116 14 JTF507-14 42 JTR822-42 ST WR 360 99-02 15-48 520- 44 1210-0842 ST 44 1211-2596 BLK 45 1211-2597 BLK 48 1212-0243 ST 48 1211-2672 BLK 49 JTR822-49 ST 49 1211-2598 BLK FITS MODEL STOCK GEARING STOCK CHAIN FRONT SIZE PART # NOTES REAR SIZE PART # NOTES HUSQVARNA (CONT) CR 360 92-94 13-48 520-116 13 JTF507-13 50 1212-0244 ST WR 360 92-98 13-48 520-116 14 JTF507-14 50 1211-2673 BLK WR 360 99-02 (CONT) 15-48 520- 51 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK TE 400 99-00 14-45 520- 13 1212-0835 SC 41 1210-0841 ST TE 400 01-02 13-48 520- 14 1212-0836 SC 42 JTR822-42 ST TE 410 95-00 15-48 520- 15 1212-0674 44 1210-0842 ST 44 1211-2596 BLK 45 1211-2597 BLK 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 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK WR 400 Enduro 85-89 13-52 520-118 12 1212-2011 ST - - WR/CR 400 81-89 14-53 520-120 14 1212-0231 ST CR 400/430 13-53 520-116 WR 430 Enduro 85-89 13-52 520-118 12 1212-2011 ST - - Auto 430 85-89 13-54 520-118 14 1212-0231 ST SM 450 03-05 16-48 520- 13 1212-0835 SC 41 1210-0841 ST SM 450 08-09 13-42 520-106 14 1212-0836 SC 42 JTR822-42 ST TC 450 02-10 14-50 520-116 15 1212-0674 44 1210-0842 ST TE 450 02-04 15-50 520-116 44 1211-2596 BLK TE 450 05-06 13-50 520-112 45 1211-2597 BLK 450 TE 07-10 13-48 520-112 48 1212-0243 ST SMR 450 03-04 15-45 520-114 48 1211-2672 BLK SMR 450 05-06 15-42 520-114 49 JTR822-49 ST SMR 450 07-09 14-42 520-114 49 1211-2598 BLK SMR 450 10 15-42 520- 50 1212-0244 ST TXC 450 08-11 13-48 520- 50 1211-2673 BLK 51 1210-0765 ST 51 1211-2599 BLK 52 1212-0245 ST 52 1211-2600 BLK 53 1211-2601 BLK CR 500 84-88 13-52 520-116 12 1212-2011 ST - - TC/TE 500 85-86 14-48 520-116 14 1212-0231 ST WR 500 83-84 13-48 520-114 TC/TE 510 87-89 14-48 520-116 SMR 510 05 16-42 520- 13 1212-0835 SC 41 1210-0841 ST SMR 510 06-10 15-42 520-110 14 1212-0836 SC 42 JTR822-42 ST TC 510 90-91 12-48 520-120 15 1212-0674 44 1210-0842 ST TE 510 90-91 17-48 520-120 44 1211-2596 BLK 45 1211-2597 BLK 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 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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