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 46T Rear Sprocket 520 Chain Silver 150U-520-46GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 46-Tooth 150U-520-46GBSI Enhance your Yamaha's performance with the RENTHAL 46-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than...R150A52046- SKU:
- R150A52046
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$99.82 -
Renthal 49-Tooth Rear Sprocket for Yamaha 520 Chain 150U-520-49GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 49-Tooth 150U-520-49GBSI 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 alloy, this...R150A52049- SKU:
- R150A52049
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 51-Tooth Rear Sprocket for Yamaha 150U-520-51GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 51-Tooth 150U-520-51GBSI Enhance your Yamaha motorcycle's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter...R150A52051- SKU:
- R150A52051
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- TYPE:
- DRIVE
$99.82 -
Renthal 46-Tooth Rear Sprocket for Honda CR125R CR250R CR500R CRF150F CRF230F CRF250F CRF250R CRF250RX CRF250X CRF450R CRF450RL CRF450RWE CRF450RX CRF450X XR250R XR400R XR650R 154U-520-46GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 46-Tooth 154U-520-46GRSI Enhance your Honda's performance with the RENTHAL 46-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its...R15446- SKU:
- R15446
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
$99.82 -
Renthal Ultralight Rear Sprocket 47T 520 Chain Silver 154U-520-47GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 47-Tooth 154U-520-47GRSI Enhance your Honda motorcycle's performance with the RENTHAL 47-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for riders...R15447- SKU:
- R15447
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$99.82 -
Renthal 51-Tooth Rear Sprocket for Honda 154U-520-51GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 51-Tooth 154U-520-51GRSI Enhance your Honda's performance with the RENTHAL 51-Tooth Rear Sprocket, precision-engineered for durability and efficiency. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a...R15451- SKU:
- R15451
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- TYPE:
- DRIVE
$99.82 -
Renthal 53-Tooth Rear Sprocket for Honda CR125R CR250R CR500R CRF150F CRF230F CRF250F CRF250R CRF250RX CRF250X CRF450R CRF450RL CRF450RWE CRF450RX CRF450X XR250R XR400R XR650R 154U-520-53GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 53-Tooth 154U-520-53GRSI Enhance your Honda motorcycle's performance with the RENTHAL 53-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for riders...R15453- SKU:
- R15453
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- TYPE:
- DRIVE
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$99.82 -
Renthal 49-Tooth Ultralight Rear Sprocket for Kawasaki KX100 KX85 KX80 191U-420-49GESI
RENTHAL
$99.82RENTHAL Sprocket Kawasaki 49-Tooth 191U-420-49GESI Enhance your Kawasaki motorcycle's performance with the RENTHAL 191U-420-49GESI rear sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a perfect balance of lightweight...R19149- SKU:
- R19149
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$99.82 -
Renthal 51-Tooth Rear Sprocket for Kawasaki KX100 KX85 KX80 191U-420-51GESI
RENTHAL
$99.82RENTHAL Sprocket Kawasaki 51-Tooth 191U-420-51GESI Enhance your Kawasaki motorcycle's performance with the RENTHAL 191U-420-51GESI rear sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while...R19151- SKU:
- R19151
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
$99.82 -
Renthal Ultralight Rear Sprocket 46T 420 Pitch Silver 192U-420-46GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 46-Tooth 192U-420-46GPSI Enhance your KTM's performance with the RENTHAL 46-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel, yet offers exceptional durability...R192U42046- SKU:
- R192U42046
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- COLOR/FINISH:
- SILVER
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal: -
Renthal 47-Tooth Ultralight Rear Sprocket for KTM 65 SX 192U-420-47GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 47-Tooth 192U-420-47GPSI Enhance your KTM's performance with the RENTHAL 47-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than traditional steel options,...R192U42047- SKU:
- R192U42047
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- TYPE:
- DRIVE
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal: -
Renthal 48-Tooth Ultralight Rear Sprocket for KTM 65 SX 192U-420-48GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 48-Tooth 192U-420-48GPSI Enhance your KTM's performance with the RENTHAL 48-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel, yet offers exceptional durability...R192U42048- SKU:
- R192U42048
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 49-Tooth Rear Sprocket for KTM 65 SX 192U-420-49GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 49-Tooth 192U-420-49GPSI Enhance your KTM's performance with the RENTHAL 49-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. Its self-cleaning mud grooves at each tooth prevent debris buildup,...R192U42049- SKU:
- R192U42049
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- SILVER
- TYPE:
- DRIVE
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$99.82 -
Renthal 48-Tooth Ultralight Rear Sprocket for KTM 224U-520-48GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 48-Tooth 224U-520-48GPSI Enhance your KTM's performance with the RENTHAL 48-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is approximately 66% lighter than traditional...R22448- SKU:
- R22448
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
$99.82 -
Renthal 50-Tooth Rear Sprocket for KTM 224U-520-50GPSI
RENTHAL
$99.82RENTHAL Sprocket KTM 50-Tooth 224U-520-50GPSI Enhance your KTM's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts,...R22450- SKU:
- R22450
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$99.82 -
Renthal Ultralight Rear Sprocket 49T 520 Chain Silver 131U-520-49GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 49-Tooth 131U-520-49GBSI Enhance your Yamaha motorcycle's performance with the RENTHAL 49-Tooth Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being approximately 66%...R13149- SKU:
- R13149
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
$99.82 -
Renthal Ultralight Rear Sprocket 51T 520 Chain Silver 131U-520-51GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 51-Tooth 131U-520-51GBSI Enhance your Yamaha's performance with the RENTHAL 51-Tooth Rear Sprocket, precision-engineered for durability and weight reduction. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket is 66%...R13151- SKU:
- R13151
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$99.82 -
Renthal 47-Tooth Rear Sprocket for Yamaha 150U-520-47GBSI
RENTHAL
$99.82RENTHAL Sprocket Yamaha 47-Tooth 150U-520-47GBSI Enhance your Yamaha's performance with the RENTHAL 47-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts, yet offers...R150A52047- SKU:
- R150A52047
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
$99.82 -
Renthal 45-Tooth Rear Sprocket for Honda 520 Chain Silver 154U-520-45GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 45-Tooth 154U-520-45GRSI Enhance your Honda motorcycle's performance with the RENTHAL 45-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and...R15445- SKU:
- R15445
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
$99.82 -
Renthal 50-Tooth Rear Sprocket for Honda CRF250R CRF450R CRF450X 154U-520-50GRSI
RENTHAL
$99.82RENTHAL Sprocket Honda 50-Tooth 154U-520-50GRSI Enhance your Honda's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel, yet offers exceptional...R15450- SKU:
- R15450
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$99.82
