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
-
JT SPROCKETS Rear Sprocket - Honda - Black - 48 Tooth JTA210.48BLK
JT SPROCKETS
$37.38Computer-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...12112641- SKU:
- 12112641
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
$37.38 -
JT SPROCKETS Rear Sprocket - Honda - Black - 49 Tooth JTA210.49BLK
JT SPROCKETS
$38.88Computer-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...12112642- SKU:
- 12112642
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Rear Sprocket - Honda - Black - 50 Tooth JTA210.50BLK
JT SPROCKETS
$40.35Computer-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...12112643- SKU:
- 12112643
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
$40.35 -
JT SPROCKETS Rear Sprocket - Honda - Black - 51 Tooth JTA210.51BLK
JT SPROCKETS
$41.43Computer-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...12112644- SKU:
- 12112644
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$41.43 -
JT SPROCKETS Sprocket - Rear - 49-Tooth JTR822.49
JT SPROCKETS
$36.08Computer-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...JTR82249- SKU:
- JTR82249
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$36.08Qty in Cart: 0Quantity:Price:$36.08Subtotal: -
JT SPROCKETS Sprocket - Rear - Suzuki - 45-Tooth JTR829.45
JT SPROCKETS
$42.30Computer-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...JTR82945- SKU:
- JTR82945
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
$42.30Qty in Cart: 0Quantity:Price:$42.30Subtotal: -
JT SPROCKETS Sprocket - Rear - Suzuki - 47-Tooth JTR829.47
JT SPROCKETS
$43.28Computer-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...JTR82947- SKU:
- JTR82947
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 530
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 47
$43.28 -
JT SPROCKETS Rear Sprocket - Suzuki - Black - 49-Tooth JTA808.49BLK
JT SPROCKETS
$38.88A properly sized rear sprocket is fundamental to optimizing your Suzuki's acceleration, top-end speed, and overall powerband characteristics. The JT RaceLite 49-tooth rear sprocket delivers the durability and precision required for track use and...12112669- SKU:
- 12112669
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- MODEL:
- SUZUKI
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Sprocket - Rear - Honda - 46-Tooth JTR1204.46
JT SPROCKETS
$22.65A properly matched rear sprocket is critical to maximizing your engine's power delivery and maintaining optimal chain tension across the RPM band. This JT 46-tooth rear sprocket delivers the precision engineering and durability required for...JTR120446- SKU:
- JTR120446
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 428
- MATERIAL:
- STEEL
- UNITS:
- EACH
$22.65 -
JT SPROCKETS Sprocket - Rear - Honda - 45-Tooth JTR1214.45
JT SPROCKETS
$17.78A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 45-tooth rear sprocket delivers precision engineering and durability through computer-optimized design and premium Japanese materials, ensuring...JTR121445- SKU:
- JTR121445
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 45
$17.78 -
JT SPROCKETS Sprocket - Rear - Honda - 46-Tooth JTR1214.46
JT SPROCKETS
$17.78A quality rear sprocket is foundational to your bike's acceleration, top-end performance, and chain longevity. The JT 46-tooth rear sprocket delivers precision engineering and durability without unnecessary weight, making it an essential upgrade for...JTR121446- SKU:
- JTR121446
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
$17.78 -
JT SPROCKETS Sprocket - Rear - Honda - 49-Tooth JTR1214.49
JT SPROCKETS
$19.63A properly matched rear sprocket is critical for optimizing your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 49-tooth rear sprocket delivers the precision engineering and durability you need to maintain...JTR121449- SKU:
- JTR121449
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$19.63 -
JT SPROCKETS Sprocket - Rear - Honda - 39-Tooth JTR1350.39
JT SPROCKETS
$23.38A worn or mismatched rear sprocket directly impacts your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 39-tooth rear sprocket delivers the precision engineering and durability you need to maintain consistent...JTR135039- SKU:
- JTR135039
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 39
- CHAIN SIZE:
- 520
- UNITS:
- EACH
$23.38 -
JT SPROCKETS Sprocket - Rear - Honda - 48-Tooth JTR1355.48
JT SPROCKETS
$26.73A worn or incorrectly sized rear sprocket robs your Honda of acceleration response and top-end performance. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability you need for consistent power delivery across the rev...JTR135548- SKU:
- JTR135548
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 428
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
$26.73 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 41-Tooth JTR1414.41
JT SPROCKETS
$32.48A properly sized rear sprocket is critical for achieving optimal power delivery and acceleration on your Kawasaki. This 41-tooth sprocket delivers the ideal balance between top-end speed and low-end responsiveness, ensuring your chain drive system...JTR141441- SKU:
- JTR141441
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MATERIAL:
- STEEL
- MODEL:
- KAWASAKI
- TOOTH COUNT:
- 41
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$32.48 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 43-Tooth JTR1414.43
JT SPROCKETS
$32.48A worn or undersized rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT SPROCKETS 43-tooth rear sprocket delivers the precise gearing you need to maximize performance while maintaining durability...JTR141443- SKU:
- JTR141443
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 43
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MODEL:
- KAWASAKI
- MOUNTING POSITION:
- REAR
$32.48 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 46-Tooth JTR1465.46
JT SPROCKETS
$18.90A worn or mismatched rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 46-tooth rear sprocket is engineered to restore optimal gearing performance while reducing rotating mass—critical for...JTR146546- SKU:
- JTR146546
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
$18.90 -
JT SPROCKETS Sprocket - Rear - Yamaha - 49-Tooth JTR1843.49
JT SPROCKETS
$25.28A worn or undersized rear sprocket robs your Yamaha of acceleration and top-end performance. The JT 49-tooth rear sprocket delivers precise gear ratios and reliable power transfer through computer-optimized tooth geometry and heat-treated Japanese C45...12120113- SKU:
- 12120113
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MODEL:
- YAMAHA
- MOUNTING POSITION:
- REAR
$25.28 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 22-Tooth JTR1795.22
JT SPROCKETS
$18.08A worn or incorrect sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets rear sprocket delivers precision engineering with a lightweight design that reduces unsprung mass while maintaining...JTR179522- SKU:
- JTR179522
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 22
$18.08 -
JT SPROCKETS Sprocket - Rear - Suzuki - 40-Tooth JTR1825.40
JT SPROCKETS
$28.90A worn or mismatched rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 40-Tooth rear sprocket delivers the precision engineering and lightweight construction necessary for consistent power...JTR182540- SKU:
- JTR182540
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- SUZUKI
- TOOTH COUNT:
- 40
$28.90Qty in Cart: 0Quantity:Price:$28.90Subtotal: