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 Sprocket - Rear - Yamaha - 50-Tooth JTR1842.50
JT SPROCKETS
$26.53JT SPROCKETS Sprocket Rear Yamaha 50-Tooth JTR1842.50Computer-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, Every...JTR184250- SKU:
- JTR184250
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MODEL:
- YAMAHA
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.53 -
JT SPROCKETS Sprocket - Rear - Yamaha - 54-Tooth JTR1842.54
JT SPROCKETS
$30.33JT SPROCKETS Sprocket Rear Yamaha 54-Tooth JTR1842.54Computer-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...JTR184254- SKU:
- JTR184254
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- CHAIN SIZE:
- 428
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
- MATERIAL:
- STEEL
- MODEL:
- YAMAHA
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
$30.33 -
JT SPROCKETS Sprocket - Rear - Yamaha - 42-Tooth JTR1912.42
JT SPROCKETS
$28.95JT SPROCKETS Sprocket Rear Yamaha 42-Tooth JTR1912.42Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC-machined for performance and lifespan, Manufactured from the best materials with a special self-cleaning design, and...JTR191242- SKU:
- JTR191242
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 42
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- YAMAHA
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
$28.95 -
JT SPROCKETS Sprocket - Rear - Honda - 47-Tooth JTR215.47
JT SPROCKETS
$24.43JT SPROCKETS Sprocket Rear Honda 47-Tooth JTR215.47Computer 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...JTR21547- SKU:
- JTR21547
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 420
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
$24.43 -
JT SPROCKETS Sprocket - Rear - Honda - 55-Tooth JTR217.55
JT SPROCKETS
$29.85JT SPROCKETS Sprocket Rear Honda 55-Tooth JTR217.55Computer 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...JTR21755- SKU:
- JTR21755
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 55
- CHAIN SIZE:
- 428
- MATERIAL:
- STEEL
- UNITS:
- EACH
$29.85 -
JT SPROCKETS Sprocket - Rear - Yamaha - 42-Tooth JTR1857.42
JT SPROCKETS
$27.85JT SPROCKETS Sprocket Rear Yamaha 42-Tooth JTR1857.42Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC-machined for performance and lifespan, Manufactured from the best materials with a special self-cleaning design, and...12120235- SKU:
- 12120235
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- MODEL:
- YAMAHA
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
$27.85 -
JT SPROCKETS Sprocket - Rear - Honda - 46-Tooth JTR245/2.46
JT SPROCKETS
$31.33JT SPROCKETS Sprocket Rear Honda 46-Tooth JTR245/2.46Computer 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...12120237- SKU:
- 12120237
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- C45 HIGH-CARBON STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$31.33 -
JT SPROCKETS Sprocket - Rear - Honda - 43-Tooth JTR284.43
JT SPROCKETS
$44.78JT SPROCKETS Sprocket Rear Honda 43-Tooth JTR284.43Computer-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...JTR28443- SKU:
- JTR28443
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- CHAIN SIZE:
- 530
- TOOTH COUNT:
- 43
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
$44.78 -
JT SPROCKETS Sprocket - Rear - Honda - 48-Tooth JTR284.48
JT SPROCKETS
$44.65JT SPROCKETS Sprocket Rear Honda 48-Tooth JTR284.48Computer-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...JTR28448- SKU:
- JTR28448
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
$44.65 -
JT SPROCKETS Sprocket - Rear - Husqvarna - 52-Tooth JTR822.52
JT SPROCKETS
$39.53JT SPROCKETS Sprocket Rear Husqvarna 52-Tooth JTR822.52Computer 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...12120245- SKU:
- 12120245
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- C45 HIGH-CARBON STEEL
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$39.53 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 47-Tooth JTR460.47
JT SPROCKETS
$33.55JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 47-Tooth JTR460.47Computer 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,...JTR46047- SKU:
- JTR46047
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
$33.55 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 48-Tooth JTR461.48
JT SPROCKETS
$21.13JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 48-Tooth JTR461.48Computer 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,...JTR46148- SKU:
- JTR46148
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
$21.13 -
JT SPROCKETS Rear Sprocket - Honda - Red - 42 Tooth JTA210.42RED
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Honda Red 42 Tooth JTA210.42REDComputer-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...12112563- SKU:
- 12112563
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- RED
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$32.20 -
JT SPROCKETS Rear Sprocket - Honda - Red - 44 Tooth JTA210.44RED
JT SPROCKETS
$34.03JT SPROCKETS Rear Sprocket Honda Red 44 Tooth JTA210.44REDComputer-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...12112564- SKU:
- 12112564
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 44
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$34.03 -
JT SPROCKETS Rear Sprocket - Honda - Red - 46 Tooth JTA210.46RED
JT SPROCKETS
$36.28JT SPROCKETS Rear Sprocket Honda Red 46 Tooth JTA210.46REDComputer-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...12112566- SKU:
- 12112566
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- TYPE:
- REAR
- UNITS:
- EACH
$36.28 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 54-Tooth JTR461.54
JT SPROCKETS
$26.38JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 54-Tooth JTR461.54Computer 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,...JTR46154- SKU:
- JTR46154
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.38 -
JT SPROCKETS Rear Sprocket - Honda - Red - 47 Tooth JTA210.47RED
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Honda Red 47 Tooth JTA210.47REDComputer-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...12112568- SKU:
- 12112568
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$37.38 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 50-Tooth JTR462.50
JT SPROCKETS
$25.28JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 50-Tooth JTR462.50Computer 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,...JTR46250- SKU:
- JTR46250
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$25.28 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 54-Tooth JTR462.54
JT SPROCKETS
$29.78JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 54-Tooth JTR462.54Computer 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,...JTR46254- SKU:
- JTR46254
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
$29.78 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 44-Tooth JTR464.44
JT SPROCKETS
$22.83JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 44-Tooth JTR464.44Computer 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,...JTR46444- SKU:
- JTR46444
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.83
