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 Steel Rear Sprocket - Graphite - 48 Tooth JTX251.48GR
JT SPROCKETS
$51.80A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets Steel Rear Sprocket delivers precision engineering with computer-optimized tooth geometry and heat-treated...12102601- SKU:
- 12102601
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 49 Tooth JTX460.49GR
JT SPROCKETS
$51.80A properly sized rear sprocket is critical for achieving the right power delivery characteristics and top-end performance on your motorcycle. The JT Sprockets 49-tooth steel rear sprocket delivers the durability and precision engineering needed for...12102606- SKU:
- 12102606
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 50 Tooth JTX460.50GR
JT SPROCKETS
$51.80A worn or undersized rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth steel rear sprocket delivers the durability and precision needed for consistent performance whether you're on...12102607- SKU:
- 12102607
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 48 Tooth JTX897.48GR
JT SPROCKETS
$51.80The JT Sprockets Steel Rear Sprocket delivers the durability and precision required for consistent performance across track days, street riding, and competition. A heat-treated steel construction with graphite coating resists wear and corrosion while...12102612- SKU:
- 12102612
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 49 Tooth JTX897.49GR
JT SPROCKETS
$51.80A worn or undersized rear sprocket robs your bike of acceleration and top-end performance. The JT Sprockets Steel Rear Sprocket delivers the durability and precision gear ratio you need to maximize power transfer and extend drivetrain life, all without...12102613- SKU:
- 12102613
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 50 Tooth JTX897.50GR
JT SPROCKETS
$51.80A worn or undersized rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth steel rear sprocket delivers the durability and precision needed for consistent power transfer, whether you're...12102614- SKU:
- 12102614
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Graphite - 51 Tooth JTX897.51GR
JT SPROCKETS
$51.80A properly sized rear sprocket is critical to maximizing your bike's acceleration, top speed, and engine efficiency—choose the wrong tooth count and you'll sacrifice performance in one direction or the other. The JT Sprockets 51-tooth rear sprocket...12102615- SKU:
- 12102615
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$51.80Qty in Cart: 0Quantity:Price:$51.80Subtotal: -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 51-Tooth JTR461.51
JT SPROCKETS
$24.33A rear sprocket is one of the most direct ways to dial in your bike's acceleration, top speed, and engine feel—and choosing the right tooth count makes all the difference. JT's 51-tooth rear sprocket delivers the engineering precision you need for...JTR46151- SKU:
- JTR46151
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
$24.33 -
JT SPROCKETS Rear Sprocket - Beta/Honda - Red - 51 Tooth JTA210.51RED
JT SPROCKETS
$41.43A quality rear sprocket is fundamental to your bike's acceleration, top-end performance, and drivetrain longevity. The JT Sprockets 51-tooth rear sprocket delivers the precision engineering and durability that professional riders and serious enthusiasts...12112572- SKU:
- 12112572
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$41.43 -
JT SPROCKETS Rear Sprocket - Yamaha - Blue - 52 Tooth JTA251.52BLU
JT SPROCKETS
$42.53A worn or inadequate rear sprocket directly compromises acceleration, top-end performance, and chain longevity on your Yamaha. The JT Sprockets 52-tooth rear sprocket delivers computer-optimized strength without excess weight, ensuring reliable power...12112581- SKU:
- 12112581
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$42.53 -
JT SPROCKETS Rear Sprocket - Black - 51 Tooth - Kawasaki JTA460.51BLK
JT SPROCKETS
$41.43A worn or damaged rear sprocket directly compromises acceleration, top-end performance, and overall drivetrain efficiency on your Kawasaki. The JT Sprockets 51-tooth rear sprocket is engineered for precise power delivery and chain compatibility, giving...12112583- SKU:
- 12112583
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$41.43 -
JT SPROCKETS Rear Sprocket - Black - 52 Tooth - Kawasaki JTA460.52BLK
JT SPROCKETS
$42.53A worn or inadequate rear sprocket directly impacts your Kawasaki's acceleration, top-end speed, and overall drivetrain efficiency. The JT SPROCKETS 52-tooth rear sprocket is engineered to deliver the strength and precision needed for reliable...12112584- SKU:
- 12112584
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$42.53 -
JT SPROCKETS Rear Sprocket - Black - 51 Tooth - Kawasaki JTA461.51BLK
JT SPROCKETS
$33.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end performance, and chain longevity. The JT Sprockets 51-tooth rear sprocket delivers the strength and precision your Kawasaki demands, engineered to handle sustained...12112585- SKU:
- 12112585
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$33.95 -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 51 Tooth JTA462.51BLK
JT SPROCKETS
$37.70A worn or undersized rear sprocket robs your Kawasaki of acceleration and top-end performance. The JT Sprockets 51-tooth rear sprocket is engineered to deliver the optimal balance of responsive power delivery and durability, using computer-optimized...12112586- SKU:
- 12112586
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
$37.70 -
JT SPROCKETS Rear Sprocket - Black - 40 Tooth - Yamaha JTA853.40BLK
JT SPROCKETS
$32.20A properly sized rear sprocket is critical for maximizing your Yamaha's acceleration, top-end performance, and overall powerbandcharacteristics. The JT SPROCKETS 40-tooth rear sprocket delivers precision engineering with RaceLite's proven durability,...12112602- SKU:
- 12112602
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$32.20 -
JT SPROCKETS Rear Sprocket - Black - 44 Tooth - Yamaha JTA853.44BLK
JT SPROCKETS
$34.03Sprocket wear directly impacts acceleration response and top-end performance—a worn or mismatched rear sprocket creates power loss and erratic throttle feel. The JT RaceLite 44-tooth sprocket delivers precise gear ratios with zero runout, engineered from...12112603- SKU:
- 12112603
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$34.03 -
JT SPROCKETS Rear Sprocket - Black - 46 Tooth - Yamaha JTA853.46BLK
JT SPROCKETS
$36.28Your sprocket is the direct link between your chain and wheel—wear or damage here directly kills acceleration and top-end performance. The JT Sprockets 46-tooth rear sprocket delivers the durability and precision you need for consistent power transfer,...12112604- SKU:
- 12112604
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$36.28 -
JT SPROCKETS Rear Sprocket - Black - 50 Tooth - Yamaha JTA853.50BLK
JT SPROCKETS
$40.35A worn or mismatched rear sprocket directly impacts your acceleration response, top-end speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers the precision engineering and durability required for consistent...12112606- SKU:
- 12112606
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$40.35Qty in Cart: 0Quantity:Price:$40.35Subtotal: -
JT SPROCKETS Rear Sprocket - Black - 51 Tooth - Yamaha JTA853.51BLK
JT SPROCKETS
$41.43A quality rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency—making it one of the most critical tuning variables on your bike. The JT SPROCKETS 51-tooth rear sprocket gives you the gearing ratio you need to...12112607- SKU:
- 12112607
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$41.43Qty in Cart: 0Quantity:Price:$41.43Subtotal: -
JT SPROCKETS Rear Sprocket - Black - 48 Tooth - Husqvarna/KTM JTA894.48BLK
JT SPROCKETS
$30.83Optimizing your sprocket directly impacts power delivery, acceleration, and drivetrain longevity—making this one of the highest-ROI upgrades for your Husqvarna or KTM. JT's 48-tooth rear sprocket is engineered for riders who demand precise gear ratios...12112615- SKU:
- 12112615
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$30.83
