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 - KTM JTA895.47BLK
JT SPROCKETS
$33.63A worn or mismatched rear sprocket directly impacts acceleration, top speed, and overall drivetrain efficiency—especially critical on KTM machines where precision engineering is non-negotiable. The JT Sprockets 47-tooth rear sprocket delivers...12112620- SKU:
- 12112620
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$33.63 -
JT SPROCKETS Rear Sprocket - Orange - 46 Tooth - KTM JTA895.46ORG
JT SPROCKETS
$32.70A properly sized rear sprocket is critical for optimizing your KTM's power delivery, acceleration, and top-end performance. The JT Sprockets 46-tooth rear sprocket delivers the durability and precision engineering that racers and serious riders depend...12112622- SKU:
- 12112622
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$32.70 -
JT SPROCKETS Rear Sprocket - Orange - 47 Tooth - KTM JTA895.47ORG
JT SPROCKETS
$33.63A worn or damaged rear sprocket directly impacts acceleration, top-end performance, and chain longevity—making a quality replacement essential for any serious KTM rider. JT Sprockets delivers computer-optimized designs that maximize strength while...12112623- SKU:
- 12112623
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$33.63Qty in Cart: 0Quantity:Price:$33.63Subtotal: -
JT SPROCKETS Rear Sprocket - Orange - 48 Tooth - KTM JTA895.48ORG
JT SPROCKETS
$34.03A properly matched rear sprocket is fundamental to optimizing your KTM's acceleration, top-end speed, and overall drivetrain efficiency. The JT 48-tooth sprocket delivers computer-optimized tooth geometry and premium heat treatment for reliable power...12112624- SKU:
- 12112624
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$34.03 -
JT SPROCKETS Rear Sprocket - Orange - 50 Tooth - KTM JTA895.50ORG
JT SPROCKETS
$36.75A properly matched rear sprocket is essential for optimizing your KTM's acceleration, top-end performance, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers the strength-to-weight ratio serious riders demand, engineered...12112625- SKU:
- 12112625
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$36.75 -
JT SPROCKETS Rear Sprocket - Black - 48 Tooth - Yamaha JTA251.48BLK
JT SPROCKETS
$37.38A worn or mismatched rear sprocket kills acceleration and efficiency—JT Sprockets delivers precision-engineered durability that restores your bike's power delivery and chain longevity. This 48-tooth sprocket is computer-designed to balance strength and...12112647- SKU:
- 12112647
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$37.38 -
JT SPROCKETS Rear Sprocket - Blue - 48 Tooth - Yamaha JTA251.48BLU
JT SPROCKETS
$37.38A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Yamaha. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability required for consistent...12112577- SKU:
- 12112577
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$37.38 -
JT SPROCKETS Rear Sprocket - Yamaha - Blue - 49 Tooth JTA251.49BLU
JT SPROCKETS
$38.88A worn or incorrect sprocket directly impacts your Yamaha's acceleration, top-end speed, and overall drivetrain efficiency. This JT Sprockets rear sprocket is computer-designed to deliver maximum strength without unnecessary weight, ensuring responsive...12112578- SKU:
- 12112578
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
$38.88 -
JT SPROCKETS Rear Sprocket - Blue - 50 Tooth - Yamaha JTA251.50BLU
JT SPROCKETS
$40.35A worn or damaged rear sprocket directly impacts your bike's acceleration, top speed, and overall drivetrain efficiency. JT Sprockets engineers this 50-tooth rear sprocket to deliver the strength and precision you need for aggressive riding or racing,...12112579- SKU:
- 12112579
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 47 Tooth - Kawasaki JTA460.47BLK
JT SPROCKETS
$37.38A worn or incompatible rear sprocket directly impacts your Kawasaki's acceleration, top-end speed, and chain wear patterns. The JT 47-tooth rear sprocket delivers computer-optimized strength without excess weight, ensuring reliable power transfer whether...12112582- SKU:
- 12112582
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 47 Tooth - Suzuki/Yamaha JTA798.47BLK
JT SPROCKETS
$33.63A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 47-tooth rear sprocket is engineered for Suzuki and Yamaha platforms to deliver reliable power transfer with...12112591- SKU:
- 12112591
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$33.63 -
JT SPROCKETS Rear Sprocket - Black - 49 Tooth - Suzuki/Yamaha JTA798.49BLK
JT SPROCKETS
$35.18A worn or mismatched rear sprocket kills acceleration and forces your engine to work harder than necessary. The JT Sprockets 49-tooth rear sprocket restores optimal power delivery to the wheel while maintaining durability through precise engineering and...12112592- SKU:
- 12112592
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$35.18 -
JT SPROCKETS Rear Sprocket - Black - 48 Tooth - Yamaha JTA853.48BLK
JT SPROCKETS
$37.38Rear sprocket wear directly impacts acceleration response and top-end performance—a worn or undersized sprocket forces your engine to work harder for the same results. The JT Sprockets 48-tooth rear sprocket delivers the durability and precision needed...12112605- SKU:
- 12112605
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 45 Tooth JTA890.45BLK
JT SPROCKETS
$35.50A 45-tooth rear sprocket is the foundation of reliable power delivery to your rear wheel. Whether you're chasing lap times or building a dependable street bike, JT Sprockets delivers the precision engineering and durability you need without compromise...12112609- SKU:
- 12112609
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$35.50 -
JT SPROCKETS Rear Sprocket - Orange - 48 Tooth - KTM JTA894.48ORG
JT SPROCKETS
$30.83A properly matched sprocket is critical for optimizing your KTM's acceleration, engine responsiveness, and overall drivetrain efficiency. This 48-tooth rear sprocket from JT Sprockets delivers the precise gearing you need for aggressive riding while...12112617- SKU:
- 12112617
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
$30.83 -
JT SPROCKETS Rear Sprocket - Black - 46 Tooth - KTM/Husqvarna JTA895.46BLK
JT SPROCKETS
$32.70A worn or mismatched rear sprocket compromises acceleration, top speed, and overall drivetrain efficiency—especially critical for KTM and Husqvarna riders pushing their bikes hard. The JT Sprockets 46-tooth rear sprocket delivers computer-optimized tooth...12112619- SKU:
- 12112619
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$32.70 -
JT SPROCKETS Rear Sprocket - Black - 48 Tooth - KTM JTA895.48BLK
JT SPROCKETS
$34.03A worn or inadequate rear sprocket directly impacts your KTM's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability needed for consistent performance,...12112621- SKU:
- 12112621
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$34.03 -
JT SPROCKETS Rear Sprocket - Black - 50 Tooth - Yamaha JTA251.50BLK
JT SPROCKETS
$40.35A worn or mismatched rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers computer-optimized geometry and premium heat-treated construction, ensuring reliable...12112649- SKU:
- 12112649
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 51 Tooth - Yamaha JTA251.51BLK
JT SPROCKETS
$41.43A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain efficiency. The JT Sprockets 51-tooth rear sprocket delivers the exact gear ratio your Yamaha needs for optimal power delivery,...12112650- SKU:
- 12112650
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$41.43 -
JT SPROCKETS Rear Sprocket - Black - 52 Tooth - Yamaha JTA251.52BLK
JT SPROCKETS
$42.53A worn or mismatched rear sprocket directly impacts acceleration, top speed, and fuel efficiency—making sprocket selection critical for both track performance and street reliability. The JT Sprockets 52-tooth rear sprocket delivers computer-optimized...12112651- SKU:
- 12112651
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$42.53
