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JT 520 Aluminum Alloy Rear Sprocket

$23.99 - $41.99

sale $24.95-$49.85Save Up to 54%

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Aluminum motocross rear racing sprockets with a special self cleaning design
Made from advanced aviation grade 7075 T6 aluminum alloy
Computer designed to combine the ultimate strength at minimum weight
Optimal lightweight design and CNC machined to aviation tolerances for performance and lifespan
Meniscus shaped self cleaning grooves on all the teeth, on both sides
Sand blasted to reduce material surface tension and finished by anodizing to a superb satin silk effect
Heat treated and hand finished to meet or exceed the highest possible quality standards
Every sprocket meets or exceeds the highest possible quality standards
The world's number one aftermarket sprocket manufacturer

Note: Image for reference only. Actual product may vary according to vehicle.

Changing your motorcycle sprocket changes the gearing to match your performance needs vs the neutral factory settings. More teeth in the rear sprocket gives your bike more control on corners.

JT 520 Aluminum Alloy Rear Sprocket

Specifications
SKU	JTA251-49BLK
Brand	JT Sprockets

Reviews

Q&A

Fitment

Frequently Bought Together

JT 520 Aluminum Alloy Rear Sprocket

›

JT 520 Self Cleaning Front Countershaft Sprocket

JT 520 Front Countershaft Sprocket

D.I.D 520DZ 2 Gold Chain

California Prop 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Part Numbers

	SKU	MPN	Availability	In-Store Pickup
49 Tooth Black	JTA251-49BLK	JTA251.49BLK	10+ In Stock. Ready to ship.	-
50 Tooth Black	JTA460-50BLK	JTA460.50BLK	10+ In Stock. Ready to ship.	-
49 Tooth Red	JTA210-49RED	JTA210.49RED	10+ In Stock. Ready to ship.	-
50 Tooth Blue	JTA251-50BLU	JTA251.50BLU	10+ In Stock. Ready to ship.	-
48 Tooth Black	JTA897-48BLK	JTA897.48BLK	10+ In Stock. Ready to ship.	-
52 Tooth Black	JTA897-52BLK	JTA897.52BLK	10+ In Stock. Ready to ship.	-
50 Tooth Red	JTA210-50RED	JTA210.50RED	10+ In Stock. Ready to ship.	-
51 Tooth Black	JTA897-51BLK	JTA897.51BLK	10+ In Stock. Ready to ship.	-
50 Tooth Orange	JTA897-50ORG	JTA897.50ORG	10+ In Stock. Ready to ship.	-
48 Tooth Orange	JTA897-48ORG	JTA897.48ORG	10+ In Stock. Ready to ship.	-
50 Tooth Black	JTA210-50BLK	JTA210.50BLK	10+ In Stock. Ready to ship.	-
49 Tooth Black	JT460-49ABLK	JTA460.49BLK	10+ In Stock. Ready to ship.	-
50 Tooth Black	JTA251-50BLK	JTA251.50BLK	10+ In Stock. Ready to ship.	-
49 Tooth Blue	JTA251-49BLU	JTA251.49BLU	10+ In Stock. Ready to ship.	-
48 Tooth Blue	JTA251-48BLU	JTA251.48BLU	10+ In Stock. Ready to ship.	-
48 Tooth Black	JTA210-48BLK	JTA210.48BLK	10+ In Stock. Ready to ship.	-
48 Tooth Black	JTA251-48BLK	JTA251.48BLK	10+ In Stock. Ready to ship.	-
51 Tooth Red	JTA210-51RED	JTA210.51RED	10+ In Stock. Ready to ship.	-
52 Tooth Orange	JTA897-52ORG	JTA897.52ORG	10+ In Stock. Ready to ship.	-
51 Tooth Black	JTA460-51BLK	JTA460.51BLK	10+ In Stock. Ready to ship.	-
47 Tooth Black	JTA210-47BLK	JTA210.47BLK	10+ In Stock. Ready to ship.	2 In Stock.
49 Tooth Black	JTA853-49BLK	JTA853.49BLK	10+ In Stock. Ready to ship.	-
49 Tooth Black	JTA460-49BLK	JTA460.49BLK	10+ In Stock. Ready to ship.	-
51 Tooth Black	JTA210-51BLK	JTA210.51BLK	10+ In Stock. Ready to ship.	-
49 Tooth Black	JTA897-49BLK	JTA897.49BLK	10+ In Stock. Ready to ship.	-
51 Tooth Blue	JTA251-51BLU	JTA251.51BLU	10+ In Stock. Ready to ship.	2 In Stock.
47 Tooth Red	JTA210-47RED	JTA210.47RED	10+ In Stock. Ready to ship.	-
50 Tooth Black	JTA808-50BLK	JTA808.50BLK	10+ In Stock. Ready to ship.	-
49 Tooth Black	JTA808-49BLK	JTA808.49BLK	10+ In Stock. Ready to ship.	-
49 Tooth Orange	JTA897-49ORG	JTA897.49ORG	10+ In Stock. Ready to ship.	-
50 Tooth Black	JTA853-50BLK	JTA853.50BLK	10+ In Stock. Ready to ship.	-
47 Tooth Black	JTA808-47BLK	JTA808.47BLK	10+ In Stock. Ready to ship.	-
52 Tooth Blue	JTA251-52BLU	JTA251.52BLU	10+ In Stock. Ready to ship.	-
53 Tooth Red	JTA210-53RED	JTA210.53RED	10+ In Stock. Ready to ship.	-
49 Tooth Black	JTA210-49BLK	JTA210.49BLK	10+ In Stock. Ready to ship.	-
48 Tooth Black	JTA853-48BLK	JTA853.48BLK	10 In Stock. Ready to ship.	-
51 Tooth Black	JTA808-51BLK	JTA808.51BLK	10 In Stock. Ready to ship.	-
52 Tooth Black	JTA853-52BLK	JTA853.52BLK	9 In Stock. Ready to ship.	-
51 Tooth Black	JTA853-51BLK	JTA853.51BLK	9 In Stock. Ready to ship.	-
51 Tooth Black	JTA251-51BLK	JTA251.51BLK	9 In Stock. Ready to ship.	-
51 Tooth Orange	JTA897-51ORG	JTA897.51ORG	8 In Stock. Ready to ship.	-
48 Tooth Black	JTA460-48BLK	JTA460.48BLK	8 In Stock. Ready to ship.	-
52 Tooth Black	JTA808-52BLK	JTA808.52BLK	7 In Stock. Ready to ship.	-
48 Tooth Black	JTA808-48BLK	JTA808.48BLK	7 In Stock. Ready to ship.	-
47 Tooth Black	JTA460-47BLK	JTA460.47BLK	7 In Stock. Ready to ship.	-
38 Tooth Aluminum	JTR75138	JTR75138	6 In Stock. Ready to ship.	-
52 Tooth Black	JTA460-52BLK	JTA460.52BLK	6 In Stock. Ready to ship.	-
52 Tooth Black	JTA210-52BLK	JTA210.52BLK	6 In Stock. Ready to ship.	-
46 Tooth Black	JTA891-46BLK	JTA891.46BLK	5 In Stock. Ready to ship.	-
43 Tooth Aluminum	JT478-43A	JTA478.43	5 In Stock. Ready to ship.	-
48 Tooth Black	JTA891-48BLK	JTA891.48BLK	4 In Stock. Ready to ship.	-
53 Tooth Black	JTA210-53BLK	JTA210.53BLK	4 In Stock. Ready to ship.	-
52 Tooth Red	JTA210-52RED	JTA210.52RED	4 In Stock. Ready to ship.	-
52 Tooth Black	JTA251-52BLK	JTA251.52BLK	3 In Stock. Ready to ship.	-
48 Tooth Red	JTA210-48RED	JTA210.48RED	3 In Stock. Ready to ship.	-
50 Tooth Black	JTA897-50BLK	JTA897.50BLK	1 In Stock. Ready to ship.	-
52 Tooth Aluminum	JT896-52A	JTA896.52	1 In Stock. Ready to ship.	-
45 Tooth Aluminum	JT486-45A	JTA486.45	1 In Stock. Ready to ship.	-
44 Tooth Aluminum	JT478-44A	JTA478.44	1 In Stock. Ready to ship.	-
42 Tooth Aluminum	JT478-42A	JTA478.42	1 In Stock. Ready to ship.	-
49 Tooth Aluminum	JT460-49A	JTA460.49	1 In Stock. Ready to ship.	-
45 Tooth Aluminum	JT1793-45A	JTA1793.45	1 In Stock. Ready to ship.	-
44 Tooth Aluminum	JT1793-44A	JTA1793.44	1 In Stock. Ready to ship.	-
42 Tooth Aluminum	JT1793-42A	JTA1793.42	1 In Stock. Ready to ship.	-
47 Tooth Aluminum	JT1308-47A	JTA1308.47	1 In Stock. Ready to ship.	-
48 Tooth Aluminum	JT1303-48A	JTA1303.48	1 In Stock. Ready to ship.	-
47 Tooth Aluminum	JT1303-47A	JTA1303.47	1 In Stock. Ready to ship.	-
40 Tooth Aluminum	JTA762-40	JTA762.40	Unavailable.	-
52 Tooth Aluminum	JT897-52A	JTA897.52	Unavailable.	-
51 Tooth Aluminum	JT897-51A	JTA897.51	Unavailable.	-
50 Tooth Aluminum	JT897-50A	JTA897.50	Unavailable.	-
49 Tooth Aluminum	JT897-49A	JTA897.49	Unavailable.	-
48 Tooth Aluminum	JT897-48A	JTA897.48	Unavailable.	-
47 Tooth Aluminum	JT897-47A	JTA897.47	Unavailable.	-
45 Tooth Aluminum	JT897-45A	JTA897.45	Unavailable.	-
40 Tooth Aluminum	JT897-40A	JTA897.40	Unavailable.	-
50 Tooth Aluminum	JT896-50A	JTA896.50	Unavailable.	-
48 Tooth Aluminum	JT896-48A	JTA896.48	Unavailable.	-
52 Tooth Aluminum	JT853-52A	JTA853.52	Unavailable.	-
51 Tooth Aluminum	JT853-51A	JTA853.51	Available. 5-7 Days.	-
50 Tooth Aluminum	JT853-50A	JTA853.50	Unavailable.	-
49 Tooth Aluminum	JT853-49A	JTA853.49	Unavailable.	-
48 Tooth Aluminum	JT853-48A	JTA853.48	Unavailable.	-
47 Tooth Aluminum	JT853-47A	JT853-47A	Unavailable.	-
46 Tooth Aluminum	JT853-46A	JTA853.46	Unavailable.	-
45 Tooth Aluminum	JT853-45A	JTA853.45	Available. 5-7 Days.	-
41 Tooth Aluminum	JT853-41A	JTA853.41	Unavailable.	-
40 Tooth Aluminum	JT853-40A	JTA853.40	Unavailable.	-
50 Tooth Aluminum	JT828-50A	JTA828.50	Unavailable.	-
45 Tooth Aluminum	JT823-45A	JTA823.45	Unavailable.	-
52 Tooth Aluminum	JT822-52A	JTA82252	Unavailable.	-
53 Tooth Aluminum	JT808-53A	JTA808.53	Unavailable.	-
52 Tooth Aluminum	JT808-52A	JTA808.52	Unavailable.	-
51 Tooth Aluminum	JT808-51A	JTA808.51	Unavailable.	-
50 Tooth Aluminum	JT808-50A	JTA808.50	Unavailable.	-
49 Tooth Aluminum	JT808-49A	JTA808.49	Unavailable.	-
48 Tooth Aluminum	JT808-48A	JTA808.48	Unavailable.	-
47 Tooth Aluminum	JT808-47A	JTA808.47	Unavailable.	-
42 Tooth Aluminum	JT751-42A	JTA751.42	Unavailable.	-
40 Tooth Aluminum	JT751-40A	JTA751.40	Unavailable.	-
38 Tooth Aluminum	JT751-38A	JTA751.38	Unavailable.	-
48 Tooth Aluminum	JT486-48A	JTA486.48	Unavailable.	-
44 Tooth Aluminum	JT486-44A	JTA486.44	Unavailable.	-
43 Tooth Aluminum	JT486-43A	JTA486.43	Available. 5-7 Days.	-
40 Tooth Aluminum	JT478-40A	JTA478.40	Unavailable.	-
52 Tooth Aluminum	JT460-52A	JTA460.52	Unavailable.	-
51 Tooth Aluminum	JT460-51A	JTA460.51	Unavailable.	-
50 Tooth Aluminum	JT460-50A	JTA460.50	Unavailable.	-
48 Tooth Aluminum	JT460-48A	JTA460.48	Unavailable.	-
47 Tooth Aluminum	JT460-47A	JTA460.47	Unavailable.	-
46 Tooth Aluminum	JT460-46A	JTA460.46	Unavailable.	-
52 Tooth Aluminum	JT251-52A	JTA251.52	Unavailable.	-
51 Tooth Aluminum	JT251-51A	JTA251.51	Unavailable.	-
50 Tooth Aluminum	JT251-50A	JTA251.50	Unavailable.	-
49 Tooth Aluminum	JT251-49A	JTA251.49	Unavailable.	-
48 Tooth Aluminum	JT251-48A	JTA251.48	Unavailable.	-
54 Tooth Aluminum	JT210-54A	JTA210.54	Unavailable.	-
52 Tooth Aluminum	JT210-52A	JTA210.52	Unavailable.	-
51 Tooth Aluminum	JT210-51A	JTA210.51	Unavailable.	-
50 Tooth Aluminum	JT210-50A	JTA210.50	Unavailable.	-
49 Tooth Aluminum	JT210-49A	JTA210.49	Unavailable.	-
48 Tooth Aluminum	JT210-48A	JTA210.48	Unavailable.	-
47 Tooth Aluminum	JT210-47A	JTA210.47	Unavailable.	-
46 Tooth Aluminum	JT210-46A	JTA210.46	Unavailable.	-
45 Tooth Aluminum	JT210-45A	JTA210.45	Unavailable.	-
44 Tooth Aluminum	JT210-44A	JTA210.44	Unavailable.	-
42 Tooth Aluminum	JT210-42A	JTA210.42	Unavailable.	-
42 Tooth Aluminum	JT1826-42A	JTA1826.42	Unavailable.	-
48 Tooth Aluminum	JT1793-48A	JTA1793.48	Unavailable.	-
47 Tooth Aluminum	JT1793-47A	JTA1793.47	Unavailable.	-
43 Tooth Aluminum	JT1793-43A	JTA1793.43	Unavailable.	-
39 Tooth Aluminum	JT1350-39A	JTA1350.39	Unavailable.	-
38 Tooth Aluminum	JT1350-38A	JTA1350.38	Unavailable.	-
48 Tooth Aluminum	JT1308-48A	JTA1308.48	Unavailable.	-
46 Tooth Aluminum	JT1308-46A	JTA1308.46	Unavailable.	-
45 Tooth Aluminum	JT1308-45A	JTA1308.45	Unavailable.	-
44 Tooth Aluminum	JT1308-44A	JTA1308.44	Unavailable.	-
43 Tooth Aluminum	JT1308-43A	JTA1308.43	Unavailable.	-
42 Tooth Aluminum	JT1308-42A	JTA1308.42	Available. 5-7 Days.	-
40 Tooth Aluminum	JT1308-40A	JTA1308.40	Unavailable.	-
51 Tooth Aluminum	JT1303-51A	JTA1303.51	Unavailable.	-
50 Tooth Aluminum	JT1303-50A	JTA1303.50	Unavailable.	-
49 Tooth Aluminum	JT1303-49A	JTA1303.49	Available. 5-7 Days.	-
46 Tooth Aluminum	JT1303-46A	JTA1303.46	Unavailable.	-
45 Tooth Aluminum	JT1303-45A	JTA1303.45	Unavailable.	-
44 Tooth Aluminum	JT1303-44A	JTA1303.44	Unavailable.	-
43 Tooth Aluminum	JT1303-43A	JTA1303.44	Unavailable.	-
42 Tooth Aluminum	JT1303-42A	JTA1303-42	Unavailable.	-
41 Tooth Aluminum	JT1303-41A	JT130341A	Unavailable.	-
43 Tooth Aluminum	324-9011	JTA1303.43	Unavailable.	-
45 Tooth Aluminum	324-8536	JTA897.45	Unavailable.	-

JT 520 Aluminum Alloy Rear Sprocket

Beta 125 RR

Beta 200 RR

Beta 250 RR

Beta 250 RR RACE EDITION

Beta 250 RR-RACE EDITION (2-STROKE)

Beta 300 RR

Beta 300 RR RACE EDITION

Beta 300 RR-RACE EDITION (2-STROKE)

Beta 350 RR

Beta 350 RR EFI

Beta 350 RR RACE EDITION

Beta 350 RR-S

Beta 390 RR

Beta 390 RR RACE EDITION

Beta 390 RR-S

Beta 400 RR

Beta 430 RR

Beta 430 RR RACE EDITION

Beta 430 RR-S

Beta 430 RS

Beta 450 RR

Beta 450 RR-RACE EDITION

Beta 480 RR

Beta 480 RR RACE EDITION

Beta 498 RR

Beta 498 RR-RACE EDITION

Beta 520 RR

Beta 525 RR

Beta RR 125 2STROKE

Beta RR 200 2STROKE

Beta RR 250 2STROKE

Beta RR 300 2STROKE

Beta RR 350

Beta RR 400

Beta RR 450

Beta RR 498

Beta RR 520

Beta RRS 350

Beta RRS 390

Beta RRS 430

Ducati 1098

Ducati 1198

Ducati 748

Ducati 748 BIPOSTO

Ducati 748 R

Ducati 748 S

Ducati 748 SP

Ducati 848

Ducati 848 EVO

Ducati 916 BIPOSTO

Ducati 916 MONOPOSTO

Ducati 916 SENNA

Ducati 916 SPS

Ducati 916 STRADA

Ducati HYPERMOTARD 1100

Ducati HYPERMOTARD 1100 EVO

Ducati HYPERMOTARD 950

Ducati HYPERMOTARD 950 SP

Ducati MONSTER 1100

Ducati MONSTER S2R

Ducati MONSTER S2R 800

Ducati MONSTER S2R DARK

Ducati MULTISTRADA 1100

Ducati STREETFIGHTER 848

Gas Gas EC 200 E RACING

Gas Gas EC 200 RACING

Gas Gas EC 250

Gas Gas EC 250 E RACING

Gas Gas EC 250 RACING

Gas Gas EC 300 E RACING

Gas Gas EC 300 RACING

Gas Gas EC 450 FSE

Gas Gas ENDUCROSS EC 125

Gas Gas ENDUCROSS EC 200

Gas Gas ENDUCROSS EC 250

Gas Gas ENDUCROSS EC 300

Gas Gas SM 400 FSE

Gas Gas SM 450 FSE

Gas Gas XC 250 4T