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 - 53 Tooth JTA210.53BLK
JT SPROCKETS
$44.03A worn or inadequate rear sprocket directly impacts your Honda's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 53-tooth rear sprocket replaces OEM components with a precision-engineered alternative that delivers consistent...12112646- SKU:
- 12112646
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 53
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$44.03 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 37-Tooth JTR801.37
JT SPROCKETS
$13.25A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 37-tooth rear sprocket delivers the precise gear ratio you need for optimal power delivery, whether you're...JTR80137- SKU:
- JTR80137
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
- CHAIN SIZE:
- 420
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$13.25 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Beta/Honda JTR210.48SC
JT SPROCKETS
$29.55A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall powerband delivery. The JT Sprockets 48-tooth rear sprocket is engineered with precision machining and premium materials to handle high-rpm...12102435- SKU:
- 12102435
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$29.55 -
MOOSE RACING Dual Sprocket MSE - Orange - 51-Tooth 1210-897-51-14X
MOOSE RACING
$69.95A rear sprocket needs to deliver consistent power transfer lap after lap without weighing down your chassis. The MOOSE RACING Dual Sprocket MSE combines a lightweight 7075 T6 aluminum inner ring with a hardened steel outer ring, giving you the durability...12101525- SKU:
- 12101525
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
$69.95 -
SUPERSPROX Steel Rear Sprocket - 53-Tooth RFE-210-53-BLK
SUPERSPROX
$69.95A high-performance rear sprocket needs to deliver durability under sustained load while maintaining precise engagement with your chain. The SUPERSPROX 53-Tooth Steel Rear Sprocket combines race-proven geometry with lightweight construction, making it...12101890- SKU:
- 12101890
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- TYPE:
- REAR
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$69.95 -
SUPERSPROX Steel Rear Sprocket - 42-Tooth RFE-460-42-BLK
SUPERSPROX
$44.95If you're running a chain drive system that demands reliability under sustained load, sprocket wear is your silent performance killer. The SUPERSPROX 42-tooth rear sprocket delivers race-proven durability with a lightweight steel construction that...12101901- SKU:
- 12101901
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
SUPERSPROX Steel Rear Sprocket - 48-Tooth RFE-460-48-BLK
SUPERSPROX
$54.95A rear sprocket is one of the most critical drivetrain components for acceleration, top speed, and overall power delivery—and choosing the right one directly impacts your bike's performance and longevity. The SUPERSPROX 48-tooth steel sprocket delivers...12101902- SKU:
- 12101902
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Steel Rear Sprocket - 48-Tooth RFE-1512-48-BLK
SUPERSPROX
$54.95A worn or inefficient rear sprocket directly impacts your drivetrain's responsiveness and longevity. The SUPERSPROX 48-tooth steel sprocket delivers race-proven durability with a precision-engineered design that reduces wear across your entire chain and...12102157- SKU:
- 12102157
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Edge Rear Sprocket Insert - Red RACD130642RED
SUPERSPROX
$10.95Traditional stamped steel sprockets flex under load, robbing you of precise power delivery and longevity. The SUPERSPROX Edge Rear Sprocket Insert delivers the rigidity and durability of a premium billet design without a full sprocket replacement—a...12102336- SKU:
- 12102336
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- RED
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- STREET
$10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD130746GLD
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95A worn or damaged rear sprocket insert compromises your bike's acceleration, chain engagement, and overall drivetrain efficiency. The SUPERSPROX Edge Rear Sprocket Insert delivers precision-engineered durability in a gold finish, replacing traditional...12102338- SKU:
- 12102338
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD179242BLU
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95A quality rear sprocket directly impacts acceleration, top speed, and overall drivetrain efficiency—making sprocket selection critical for racers and performance enthusiasts. Traditional stamped steel sprockets flex under load and wear unevenly,...12102339- SKU:
- 12102339
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD179242GLD
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95Traditional stamped steel sprockets introduce inconsistencies in tooth profile and durability that compromise acceleration and chain longevity—especially under sustained racing conditions. The SUPERSPROX Edge Rear Sprocket Insert upgrades you to...12102340- SKU:
- 12102340
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD179243BLU
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95A worn or damaged rear sprocket compromises your chain drive efficiency and can introduce unwanted vibration throughout your drivetrain. The SUPERSPROX Edge Rear Sprocket Insert replaces traditional stamped steel designs with a precision-engineered...12102341- SKU:
- 12102341
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLUE
- UNITS:
- EACH
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- RIDING STYLE:
- STREET
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD179243GLD
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95Stamped steel sprockets introduce inconsistencies in tooth engagement and accelerate wear under high-load racing conditions. The SUPERSPROX Edge Rear Sprocket Insert upgrades your drivetrain with precision-machined construction that delivers consistent...12102342- SKU:
- 12102342
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD179245BLU
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95Traditional stamped steel sprockets flex under load, compromising chain engagement and acceleration response. SUPERSPROX Edge rear sprocket inserts replace worn or damaged inserts with precision-engineered construction, restoring your sprocket's...12102343- SKU:
- 12102343
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
MSRP: $9.95Now: $7.00Was: $9.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD179245GLD
SUPERSPROX
$10.95Stamped steel sprockets flex under load and wear prematurely, robbing you of consistent power delivery and forcing costly replacements. The SUPERSPROX Edge Rear Sprocket Insert upgrades your drivetrain with a precision-engineered component that maintains...12102344- SKU:
- 12102344
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- INSERT
- COLOR/FINISH:
- GOLD
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD245346GLD
SUPERSPROX
MSRP: $9.95Now: $7.00Was: $9.95Stamped steel sprockets wear unevenly and lose precision under race conditions—the SUPERSPROX Edge Rear Sprocket Insert upgrades you to a CNC-machined, hardened steel component that maintains consistent engagement and extends service life. The Gold...12102346- SKU:
- 12102346
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
MSRP: $9.95Now: $7.00Was: $9.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD30242GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95A worn or damaged rear sprocket can compromise your entire drivetrain's efficiency and acceleration response. The SUPERSPROX Edge Rear Sprocket Insert upgrades your bike from stamped steel to a precision-engineered component that delivers superior...12102347- SKU:
- 12102347
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Red RACD30242RED
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95A worn or poorly-performing rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The SUPERSPROX Edge Rear Sprocket Insert eliminates the weight and reliability issues inherent in traditional stamped...12102348- SKU:
- 12102348
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- RED
- TYPE:
- EDGE REAR
- UNITS:
- EACH
MSRP: $10.95Now: $7.00Was: $10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD47843GLD
SUPERSPROX
$10.95Traditional stamped steel sprockets flex under load, robbing you of precision and durability during hard acceleration and sustained high RPM runs. The SUPERSPROX Edge Rear Sprocket Insert delivers the rigidity and longevity of a modern design without...12102350- SKU:
- 12102350
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
$10.95
