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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JT SPROCKETS Rear Sprocket - Black - 47-Tooth JTA897.47BLK
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Black 47-Tooth JTA897.47BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112680- SKU:
- 12112680
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 48-Tooth JTA897.48BLK
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Black 48-Tooth JTA897.48BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112681- SKU:
- 12112681
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 49-Tooth JTA897.49BLK
JT SPROCKETS
$38.88JT SPROCKETS Rear Sprocket Black 49-Tooth JTA897.49BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112682- SKU:
- 12112682
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Rear Sprocket - Black - 51-Tooth JTA897.51BLK
JT SPROCKETS
$41.43JT SPROCKETS Rear Sprocket Black 51-Tooth JTA897.51BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112684- SKU:
- 12112684
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$41.43 -
JT SPROCKETS Rear Sprocket - Black - 52-Tooth JTA897.52BLK
JT SPROCKETS
$42.53JT SPROCKETS Rear Sprocket Black 52-Tooth JTA897.52BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112685- SKU:
- 12112685
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 52
$42.53 -
JT SPROCKETS Rear Sprocket - Orange - 40-Tooth JTA897.40ORG
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Orange 40-Tooth JTA897.40ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112687- SKU:
- 12112687
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 40
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
$32.20 -
JT SPROCKETS Rear Sprocket - Orange - 42-Tooth JTA897.42ORG
JT SPROCKETS
$32.20JT SPROCKETS Rear Sprocket Orange 42-Tooth JTA897.42ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112688- SKU:
- 12112688
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 42
- TYPE:
- REAR
$32.20 -
JT SPROCKETS Rear Sprocket - Orange - 45-Tooth JTA897.45ORG
JT SPROCKETS
$35.50JT SPROCKETS Rear Sprocket Orange 45-Tooth JTA897.45ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112689- SKU:
- 12112689
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- TOOTH COUNT:
- 45
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$35.50 -
JT SPROCKETS Rear Sprocket - Orange - 47-Tooth JTA897.47ORG
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Orange 47-Tooth JTA897.47ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112690- SKU:
- 12112690
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$37.38 -
JT SPROCKETS Rear Sprocket - Orange - 49-Tooth JTA897.49ORG
JT SPROCKETS
$38.88JT SPROCKETS Rear Sprocket Orange 49-Tooth JTA897.49ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112692- SKU:
- 12112692
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Sprocket - Rear - Suzuki - 47 Tooth JTR808.47SC
JT SPROCKETS
$29.55JT SPROCKETS Sprocket Rear Suzuki 47 Tooth JTR808.47SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102517- SKU:
- 12102517
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- C45 HIGH-CARBON STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$29.55 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 45-Tooth JTR460.45
JT SPROCKETS
$31.08JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 45-Tooth JTR460.45Computer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value,...JTR46045- SKU:
- JTR46045
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$31.08 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 40-Tooth JTR499.40
JT SPROCKETS
$34.13JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 40-Tooth JTR499.40Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value,...JTR49940- SKU:
- JTR49940
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TOOTH COUNT:
- 40
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
$34.13 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Honda JTR210.51SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 51-Tooth Honda JTR210.51SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102438- SKU:
- 12102438
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$32.98 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Green RACD48642GRN
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95SUPERSPROX Edge Rear Sprocket Insert Green RACD48642GRNUpgrade over traditional stamped steel sprockets with modern styling12102361- SKU:
- 12102361
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- COLOR/FINISH:
- GREEN
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
MSRP: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD48643BLU
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95SUPERSPROX Edge Rear Sprocket Insert Blue RACD48643BLUUpgrade over traditional stamped steel sprockets with modern styling12102362- SKU:
- 12102362
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- STREET
MSRP: $10.95Now: $7.00Was: $10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD48643GLD
SUPERSPROX
$10.95SUPERSPROX Edge Rear Sprocket Insert Gold RACD48643GLDUpgrade over traditional stamped steel sprockets with modern styling12102363- SKU:
- 12102363
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- EDGE REAR
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
$10.95 -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA47843BLK
SUPERSPROX
$49.95SUPERSPROX Edge Rear Sprocket Black 43-Tooth RFA47843BLKReduces 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 width12102387- SKU:
- 12102387
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 43
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- MODEL:
- EDGE
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA48043BLK
SUPERSPROX
$49.95SUPERSPROX Edge Rear Sprocket Black 43-Tooth RFA48043BLKReduces 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 width12102389- SKU:
- 12102389
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- TOOTH COUNT:
- 43
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- STYLE:
- LIGHTWEIGHT
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 41-Tooth RFA48641BLK
SUPERSPROX
$49.95SUPERSPROX Edge Rear Sprocket Black 41-Tooth RFA48641BLKReduces 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 width12102391- SKU:
- 12102391
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- TOOTH COUNT:
- 41
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MODEL:
- EDGE
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal:
