Dirt Bike Rear Sprockets
Dirt Bike Rear Sprockets for Honda, KTM, Beta & Husqvarna: 42-51 Tooth Steel & Aluminum at JJ Motorsports
Customize your dirt bike's gearing for optimal acceleration or top speed with premium rear sprockets from JJ Motorsports, precision-machined for perfect chain fit, reduced weight, and extreme durability in motocross, enduro, and trail riding. Our selection includes high-tensile steel and lightweight aluminum sprockets in 42-51 tooth counts designed for smoother power transfer, less rotational mass, and customizable ratios to match terrain or riding style. Compatible with top models like Honda CRF, KTM SX/EXC, Beta RR, Husqvarna FC/FE, and more, these race-proven sprockets from trusted brands ensure minimal chain wear, reliable performance, and longevity in muddy, rocky, or high-speed conditions. From JT Sprockets' computer-optimized steel for OEM reliability to Renthal's ultralight aluminum for racing gains, dial in your final drive for tighter woods, faster tracks, or balanced trails with the ideal tooth count.
Shop brands like JT Sprockets, Moose Racing, and Renthal for world-class quality. Explore related categories such as dirt bike front sprockets for full gearing kits or dirt bike drive chains for complete drivetrain upgrades.
Top Dirt Bike Rear Sprockets
- JT Sprockets Steel Rear Sprocket Graphite 48 Tooth JTX251.48GR – 48-tooth hardened steel rear sprocket with graphite finish; computer-designed for perfect chain alignment and durability in off-road conditions.
- JT Sprockets Rear Sprocket Beta/Honda Red 51 Tooth JTA210.51RED – Lightweight aluminum 51-tooth sprocket in red anodized finish for Beta RR and Honda CRF models; reduces unsprung weight for better acceleration.
- Moose Offroad Steel Rear Sprocket 48 Tooth 1210-BET-48-STL – Heavy-duty steel 48-tooth sprocket for Beta models; heat-treated for extreme strength and wear resistance in aggressive off-road use.
- Renthal Rear Sprocket Aluminum 42 Tooth Gas Gas/Husaberg/Husqvarna/KTM 224U-520-42GPSI – Ultralight CNC-machined aluminum 42-tooth sprocket with gold finish; precision engineering for KTM, Husqvarna, and Gas Gas models, ideal for racing.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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JT SPROCKETS Rear Sprocket - Suzuki - Black - 48-Tooth JTA808.48BLK
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Suzuki Black 48-Tooth JTA808.48BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112595- SKU:
- 12112595
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
$37.38 -
JT SPROCKETS Rear Sprocket - 520 - Black - 44 Tooth JTA822.44BLK
JT SPROCKETS
$34.03JT SPROCKETS Rear Sprocket 520 Black 44 Tooth JTA822.44BLKComputer-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...12112596- SKU:
- 12112596
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 44
- TYPE:
- REAR
$34.03 -
JT SPROCKETS Rear Sprocket - 520 - Black - 49 Tooth JTA822.49BLK
JT SPROCKETS
$38.88JT SPROCKETS Rear Sprocket 520 Black 49 Tooth JTA822.49BLKComputer-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...12112598- SKU:
- 12112598
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Rear Sprocket - 520 - Black - 51 Tooth JTA822.51BLK
JT SPROCKETS
$41.43JT SPROCKETS Rear Sprocket 520 Black 51 Tooth JTA822.51BLKComputer-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...12112599- SKU:
- 12112599
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
$41.43 -
On Sale
JT SPROCKETS Rear Sprocket - KTM - Black - 48 Tooth JTA891.48BLK
JT SPROCKETS
MSRP: $32.95Now: $21.00Was: $32.95JT SPROCKETS Rear Sprocket KTM Black 48 Tooth JTA891.48BLKComputer-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...12112613- SKU:
- 12112613
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- UNITS:
- EACH
MSRP: $32.95Now: $21.00Was: $32.95Qty in Cart: 0Quantity:Price:MSRP: $32.95Now: $21.00Was: $32.95Subtotal: -
JT SPROCKETS Sprocket - Rear - Suzuki - 48-Tooth JTR798.48
JT SPROCKETS
$26.23JT SPROCKETS Sprocket Rear Suzuki 48-Tooth JTR798.48Computer 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...JTR79848- SKU:
- JTR79848
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- CHAIN SIZE:
- 428
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$26.23 -
JT SPROCKETS Sprocket - Rear - Suzuki/Yamaha - 50-Tooth JTR798.50
JT SPROCKETS
$27.38JT SPROCKETS Sprocket Rear Suzuki/Yamaha 50-Tooth JTR798.50Computer 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,...JTR79850- SKU:
- JTR79850
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
$27.38 -
JT SPROCKETS Rear Sprocket - Orange - 38 Tooth JTA897.38ORG
JT SPROCKETS
$30.35JT SPROCKETS Rear Sprocket Orange 38 Tooth JTA897.38ORGComputer-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...12112626- SKU:
- 12112626
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- REAR
$30.35Qty in Cart: 0Quantity:Price:$30.35Subtotal: -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 44-Tooth JTR808.44
JT SPROCKETS
$31.08JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 44-Tooth JTR808.44Computer 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,...JTR80844- SKU:
- JTR80844
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 44
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$31.08 -
JT SPROCKETS Rear Sprocket - Black - 41-Tooth JTA897.41BLK
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Black 41-Tooth JTA897.41BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112628- SKU:
- 12112628
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 41
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$32.20 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 53-Tooth JTR808.53
JT SPROCKETS
$38.60JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 53-Tooth JTR808.53Computer 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,...JTR80853- SKU:
- JTR80853
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$38.60 -
JT SPROCKETS Sprocket - Rear - Suzuki - 42-Tooth JTR816.42
JT SPROCKETS
$39.18JT SPROCKETS Sprocket Rear Suzuki 42-Tooth JTR816.42Computer-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...JTR81642- SKU:
- JTR81642
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
$39.18 -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 48 Tooth JTA460.48BLK
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Kawasaki Black 48 Tooth JTA460.48BLKComputer-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,...12112652- SKU:
- 12112652
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$37.38Qty in Cart: 0Quantity:Price:$37.38Subtotal: -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 49 Tooth JTA460.49BLK
JT SPROCKETS
$38.88JT SPROCKETS Rear Sprocket Kawasaki Black 49 Tooth JTA460.49BLKComputer-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,...12112653- SKU:
- 12112653
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
$38.88 -
JT SPROCKETS Rear Sprocket - 520 - Black - 48 Tooth JTA822.48BLK
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket 520 Black 48 Tooth JTA822.48BLKComputer-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...12112672- SKU:
- 12112672
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 48
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$37.38 -
JT SPROCKETS Rear Sprocket - 520 - Black - 50 Tooth JTA822.50BLK
JT SPROCKETS
$40.35JT SPROCKETS Rear Sprocket 520 Black 50 Tooth JTA822.50BLKComputer-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...12112673- SKU:
- 12112673
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 38-Tooth JTA897.38BLK
JT SPROCKETS
$30.35JT SPROCKETS Rear Sprocket Black 38-Tooth JTA897.38BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112676- SKU:
- 12112676
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
$30.35 -
JT SPROCKETS Rear Sprocket - Black - 40-Tooth JTA897.40BLK
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Black 40-Tooth JTA897.40BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112677- SKU:
- 12112677
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 40
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$32.20 -
JT SPROCKETS Rear Sprocket - Black - 42-Tooth JTA897.42BLK
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Black 42-Tooth JTA897.42BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112678- SKU:
- 12112678
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$32.20Qty in Cart: 0Quantity:Price:$32.20Subtotal: -
JT SPROCKETS Rear Sprocket - Black - 45-Tooth JTA897.45BLK
JT SPROCKETS
$35.50JT SPROCKETS Rear Sprocket Black 45-Tooth JTA897.45BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112679- SKU:
- 12112679
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 45
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$35.50
