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 52-Tooth Rear Sprocket for Yamaha WR YZ 150U-520-52GBBU
RENTHAL
$104.61Enhance your Yamaha's performance with the RENTHAL 52-Tooth Rear Sprocket, crafted from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts, yet offers exceptional durability. Its precision CNC machining...12110168- SKU:
- 12110168
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$104.61 -
Renthal 49-Tooth Rear Sprocket for Kawasaki 520 Chain Black 112U-520-49GEBK
RENTHAL
$99.82Enhance your Kawasaki's performance with the RENTHAL 49-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a perfect balance of durability and lightweight design. Its self-cleaning mud grooves at each tooth...12110016- SKU:
- 12110016
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$99.82 -
Renthal Black 52-Tooth Rear Sprocket for Kawasaki 112U-520-52GEBK
RENTHAL
$99.82Enhance your Kawasaki's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its CNC-machined construction ensures a precise fit,...12110019- SKU:
- 12110019
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$99.82 -
RENTHAL Sprocket - Suzuki - Black - 49-Tooth 123U-520-49GYBK
RENTHAL
$99.82CNC-machined from a specially enhanced 7075-T6 aluminum alloy, Machined self-cleaning mud grooves at each tooth to help prevent mud buildup and increase wear resistance, Ultralight design is 66% lighter than steel, yet incredibly durable12110021- SKU:
- 12110021
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- 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
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TOOTH COUNT:
- 49
- TYPE:
- DRIVE
$99.82 -
Renthal 50T Rear Sprocket for Suzuki RM125 RM250 RMZ450 DRZ400 123U-520-50GYBK
RENTHAL
$99.82Enhance your Suzuki motorcycle's performance with the RENTHAL 50-Tooth Rear Sprocket. Crafted from high-grade 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its precision CNC-machined construction...12110022- SKU:
- 12110022
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$99.82 -
Renthal Ultralight Rear Sprocket 52T Black 123U-520-52GYBK
RENTHAL
$99.82Enhance 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 exceptional strength while reducing weight by...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
$99.82Enhance 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 alloy, this sprocket offers a significant weight reduction...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
$99.82Enhance 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 lightweight design, making it an excellent upgrade for riders...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
$99.82Enhance 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 features self-cleaning mud grooves to maintain optimal...12110029- SKU:
- 12110029
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 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
$99.82Enhance 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 counterparts, reducing rotational mass for improved acceleration...12110032- SKU:
- 12110032
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 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
$99.82Enhance 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 riders seeking improved acceleration and handling. Its...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
$99.82Enhance 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 self-cleaning mud grooves at each tooth prevent...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
$99.82Enhance 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 enthusiasts. Its self-cleaning mud grooves at each tooth...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
$99.82Enhance 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 adventures. Its self-cleaning mud grooves at each tooth...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
$99.82Enhance 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 off-road adventures. Its precision CNC-machined design...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
$99.82Enhance 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, reducing unsprung weight for improved...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
$99.82Enhance 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 counterparts, while maintaining exceptional...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
$99.82Enhance 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 offers exceptional strength while reducing...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
$99.82Enhance 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 lightweight yet robust solution for off-road...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
$99.82Enhance 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 balance of strength and weight savings. Its...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
