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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SUPERSPROX Edge Rear Sprocket Insert - Gold RACD179245GLD
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102344- 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: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102346- 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: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD30242GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102347- 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: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102348- 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
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102350- 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 -
SUPERSPROX Edge Rear Sprocket Insert - Green RACD47843GRN
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102351- SKU:
- 12102351
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- COLOR/FINISH:
- GREEN
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD47846GLD
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102352- SKU:
- 12102352
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- INSERT
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- TYPE:
- EDGE REAR
- RIDING STYLE:
- STREET
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Green RACD47846GRN
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102353- SKU:
- 12102353
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GREEN
- UNITS:
- EACH
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD48043BLU
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102354- SKU:
- 12102354
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD80745GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102365- SKU:
- 12102365
- 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 - Blue RACD82945BLU
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102366- SKU:
- 12102366
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
MSRP: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD82947BLU
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102368- SKU:
- 12102368
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
MSRP: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD82947GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102369- SKU:
- 12102369
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 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 - Gold RACD86545GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102372- SKU:
- 12102372
- 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 -
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA130445BLK
SUPERSPROX
$59.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102377- SKU:
- 12102377
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- MODEL:
- EDGE
$59.95 -
SUPERSPROX Edge Rear Sprocket - Black - 46-Tooth RFA130746BLK
SUPERSPROX
$59.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102380- SKU:
- 12102380
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MODEL:
- EDGE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- STYLE:
- LIGHTWEIGHT
$59.95 -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA30243BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102386- SKU:
- 12102386
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- UNITS:
- EACH
- MODEL:
- EDGE
- TOOTH COUNT:
- 43
- COLOR/FINISH:
- BLACK
$54.95 -
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA80745BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102394- SKU:
- 12102394
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
$54.95 -
SUPERSPROX Steel Rear Sprocket - 40-Tooth RFE-853-40-BLK
SUPERSPROX
$44.95Developed on the race track to give longer system life and high performance for street and off-road applications, Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel, Made to Supersprox high quality standards and include our...12101932- SKU:
- 12101932
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- TYPE:
- REAR
- UNITS:
- EACH
$44.95 -
SUPERSPROX Stealth Rear Sprocket - 48-Tooth - Gold - Yamaha RST-245-48-GLD
SUPERSPROX
$119.95Supersprox-Stealth gives you longer system life without compromising weight, Steel teeth last 4 times longer than aluminum, Pound-for-pound, the strongest sprocket on the market, The aluminum core is 70% lighter than steel, Forging rivets into the...12101980- SKU:
- 12101980
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
$119.95
