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
-
Renthal Ultralight Rear Sprocket 52T Black 123U-520-52GYBK
RENTHAL
$99.82RENTHAL Sprocket Suzuki Black 52-Tooth 123U-520-52GYBK Enhance your Suzuki's performance with the RENTHAL 52-Tooth Rear Sprocket, engineered for durability and lightweight efficiency. Crafted from high-grade 7075-T6 aluminum alloy, this sprocket offers...12110024- SKU:
- 12110024
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 49-Tooth Black Rear Sprocket for Yamaha 150U-520-49GBBK
RENTHAL
$99.82RENTHAL Sprocket Yamaha Black 49-Tooth 150U-520-49GBBK Enhance your Yamaha's performance with the RENTHAL 49-Tooth Rear Sprocket, precision-engineered for durability and lightweight efficiency. Constructed from a specially enhanced 7075-T6 aluminum...12110026- SKU:
- 12110026
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$99.82 -
Renthal Rear Sprocket 51T Black 520 Chain 150U-520-51GBBK
RENTHAL
$99.82RENTHAL Sprocket Yamaha Black 51-Tooth 150U-520-51GBBK Enhance your Yamaha motorcycle's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and...12110028- SKU:
- 12110028
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$99.82 -
Renthal Black 52-Tooth Rear Sprocket for Yamaha 150U-520-52GBBK
RENTHAL
$99.82RENTHAL Sprocket Yamaha Black 52-Tooth 150U-520-52GBBK Enhance your Yamaha's performance with the RENTHAL 52-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket offers exceptional durability and...12110029- SKU:
- 12110029
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$99.82 -
Renthal 50-Tooth Black Aluminum Rear Sprocket for Honda 154U-520-50GRBK
RENTHAL
$99.82RENTHAL Sprocket Honda Black 50-Tooth 154U-520-50GRBK Enhance your Honda's performance with the RENTHAL 50-Tooth Rear Sprocket, crafted from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is approximately 66% lighter than steel...12110032- SKU:
- 12110032
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$99.82 -
Renthal Ultralight Rear Sprocket 52T 520 Chain Black 154U-520-52GRBK
RENTHAL
$99.82RENTHAL Sprocket Honda Black 52-Tooth 154U-520-52GRBK Enhance your Honda motorcycle's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for...12110034- SKU:
- 12110034
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 52
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 48-Tooth Black Rear Sprocket for KTM 224U-520-48GPBK
RENTHAL
$99.82RENTHAL Sprocket KTM Black 48-Tooth 224U-520-48GPBK Enhance your KTM's performance with the RENTHAL 48-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum, this sprocket offers a lightweight yet durable solution for off-road enthusiasts. Its...12110045- SKU:
- 12110045
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
$99.82 -
Renthal 49-Tooth Rear Sprocket Black 520 Chain KTM 224U-520-49GPBK
RENTHAL
$99.82RENTHAL Sprocket KTM Black 49-Tooth 224U-520-49GPBK Enhance your KTM's performance with the RENTHAL 49-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for off-road...12110046- SKU:
- 12110046
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 50-Tooth Black Rear Sprocket for KTM 224U-520-50GPBK
RENTHAL
$99.82RENTHAL Sprocket KTM Black 50-Tooth 224U-520-50GPBK Enhance your KTM's performance with the RENTHAL 50-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for your off-road...12110047- SKU:
- 12110047
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$99.82 -
Renthal Ultralight Rear Sprocket 52T Black 224U-520-52GPBK
RENTHAL
$99.82RENTHAL Sprocket KTM Black 52-Tooth 224U-520-52GPBK Enhance your KTM's performance with the RENTHAL 52-Tooth Black Rear Sprocket. Crafted from a high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for your...12110049- SKU:
- 12110049
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$99.82 -
Renthal 45-Tooth 520 Rear Sprocket for KTM 224U-520-45GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 45-Tooth 224U-520-45GPSI Enhance your KTM's performance with the RENTHAL 45-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than traditional steel options,...12110078- SKU:
- 12110078
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$99.82 -
Renthal Ultralight Rear Sprocket 46T 520 Chain KTM Husqvarna Husaberg 224U-520-46GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 46-Tooth 224U-520-46GPSI Enhance your KTM's performance with the RENTHAL 46-Tooth Rear Sprocket, precision-engineered from high-strength 7075 T6 aluminum alloy. This ultralight sprocket offers a 66% weight reduction compared to steel...12110079- SKU:
- 12110079
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$99.82 -
Renthal 50-Tooth Rear Sprocket for KTM 65 SX 192U-420-50GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 50-Tooth 192U-420-50GPSI Enhance your KTM's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered for durability and lightweight efficiency. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket...12110087- SKU:
- 12110087
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$99.82 -
Renthal 47-Tooth Rear Sprocket for KTM 85 SX 17/14 85 SX 19/16 105 SX 441U-428-47GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 47-Tooth 441U-428-47GPSI Enhance your KTM's performance with the RENTHAL 47-Tooth Rear Sprocket, precision-engineered for durability and efficiency. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a...12110089- SKU:
- 12110089
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$99.82 -
Renthal 50-Tooth Rear Sprocket for KTM 85 SX 17/14 85 SX 19/16 105 SX 441U-428-50GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 50-Tooth 441U-428-50GPSI Enhance your off-road performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered for KTM motorcycles. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a perfect...12110092- SKU:
- 12110092
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$99.82 -
Renthal Ultralight Rear Sprocket 47T Silver 224U-520-47GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 47-Tooth 224U-520-47GPSI Enhance your KTM's performance with the RENTHAL 47-Tooth rear sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. Designed for durability and weight reduction, this sprocket features...12110103- SKU:
- 12110103
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 47
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal: -
Renthal 53-Tooth Rear Sprocket for Honda 154U-520-53GRBK
RENTHAL
$99.82RENTHAL Sprocket Honda Black 53-Tooth 154U-520-53GRBK Enhance your Honda motorcycle's performance with the RENTHAL 53-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for...12110179- SKU:
- 12110179
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
$99.82 -
Renthal 53-Tooth Rear Sprocket for Honda Red 154U-520-53GRRD
RENTHAL
$104.61RENTHAL Sprocket Honda Red 53-Tooth 154U-520-53GRRD Enhance your Honda motorcycle's performance with the RENTHAL 53-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for riders...12110180- SKU:
- 12110180
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- TOOTH COUNT:
- 53
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$104.61 -
Renthal 47-Tooth Black Rear Sprocket for Kawasaki 121U-428-47GPBK
RENTHAL
$99.82RENTHAL Sprocket Kawasaki Black 47-Tooth 121U-428-47GPBK Enhance your Kawasaki's performance with the RENTHAL 47-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength and durability while...12110281- SKU:
- 12110281
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$99.82 -
Renthal Black 48-Tooth Rear Sprocket for 428 Chain 121U-428-48GPBK
RENTHAL
$99.82RENTHAL Sprocket Kawasaki Black 48-Tooth 121U-428-48GPBK Enhance your Kawasaki's performance with the RENTHAL 48-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength and durability while...12110282- SKU:
- 12110282
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
$99.82