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!
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MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-273-45-ST
MOOSE OFFROAD
$29.95A 45-tooth rear sprocket transforms your Honda's acceleration and throttle response, giving you quicker getaways and more usable power in the mid-range. Whether you're tackling tight trail sections or maximizing performance on demanding terrain, this...12102092- SKU:
- 12102092
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 42 Tooth 1210-300-42-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket will degrade acceleration, throttle response, and overall drivetrain efficiency—making it one of the first components to inspect during a rebuild or performance tuning. The MOOSE OFFROAD Steel Rear Sprocket delivers the...12102094- SKU:
- 12102094
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 43 Tooth 1210-300-43-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to optimizing your Honda's power delivery, acceleration, and top-end performance. The MOOSE OFFROAD 43-tooth sprocket delivers the right gear ratio for aggressive riding while maintaining durability under...12102095- SKU:
- 12102095
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 46 Tooth 1210-300-46-ST
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket forces your engine to work harder and limits your acceleration potential. This 46-tooth MOOSE OFFROAD sprocket delivers the gearing you need for responsive throttle response and improved torque delivery while...12102096- SKU:
- 12102096
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 48 Tooth 1210-300-48-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly impacts your Honda's acceleration, chain longevity, and overall drivetrain efficiency. The MOOSE OFFROAD Steel Rear Sprocket delivers precision engineering with reduced unsprung weight, ensuring reliable power...12102098- SKU:
- 12102098
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 43 Tooth 1210-1332-43-ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to optimizing your Honda's acceleration, top-end performance, and drivetrain longevity. The MOOSE OFFROAD 43-tooth sprocket delivers the precision engineering and durability demanded by serious riders and racers who...12102100- SKU:
- 12102100
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-1332-45-ST
MOOSE OFFROAD
$29.95A rear sprocket is critical to your drivetrain's efficiency, acceleration, and overall power delivery. This MOOSE OFFROAD 45-tooth steel sprocket delivers the durability and precision machining required for serious off-road riding and racing applications...12102102- SKU:
- 12102102
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 43 Tooth 1210-1346-43-ST
MOOSE OFFROAD
$29.95A worn or mismatched rear sprocket directly impacts your Honda's acceleration, chain longevity, and overall drivetrain efficiency. This MOOSE OFFROAD steel sprocket delivers the precision engineering and durability needed for demanding trail conditions,...12102103- SKU:
- 12102103
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 41 Tooth - Honda 1210-1304-41-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to maximizing acceleration, top-end power delivery, and overall drivetrain efficiency on your Honda. The MOOSE OFFROAD 41-tooth sprocket delivers the precision engineering and durability required for consistent...12102104- SKU:
- 12102104
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 42 Tooth - Honda 1210-1304-42-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to maintaining optimal power delivery and acceleration characteristics for your Honda dirt bike. The MOOSE OFFROAD 42-tooth sprocket delivers the right balance of top-end speed and low-end torque, while its...12102105- SKU:
- 12102105
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 43 Tooth - Honda 1210-1304-43-ST
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical for optimizing your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 43-tooth sprocket delivers precision engineering with premium materials, ensuring reliable...12102106- SKU:
- 12102106
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 44 Tooth - Honda 1210-1304-44-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to your Honda's power delivery, acceleration, and overall drivability—whether you're optimizing for trail performance or street riding. The MOOSE OFFROAD 44-tooth sprocket delivers the exact gear ratio you need...12102107- SKU:
- 12102107
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 47 Tooth - Honda 1210-1304-47-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is fundamental to optimizing your Honda's power delivery and acceleration characteristics. The MOOSE OFFROAD 47-tooth sprocket delivers the ideal balance between top-end capability and mid-range responsiveness, whether...12102109- SKU:
- 12102109
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 43 Tooth 1210-478-43-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95A worn or suboptimal rear sprocket directly impacts acceleration response and overall drivetrain efficiency on your Kawasaki. This MOOSE OFFROAD steel sprocket delivers the durability and precision engineering needed for consistent performance, whether...12102110- SKU:
- 12102110
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 45 Tooth 1210-478-45-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95A worn or damaged rear sprocket directly impacts your ride's acceleration, top speed, and overall drivetrain efficiency. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision-machined durability you need to maintain peak performance on any...12102111- SKU:
- 12102111
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 46 Tooth 1210-478-46-ST
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket directly impacts your Kawasaki's acceleration characteristics and overall drivetrain efficiency. This 46-tooth MOOSE OFFROAD sprocket delivers the durability and precision needed for consistent performance, whether...12102112- SKU:
- 12102112
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 42 Tooth 1210-1489-42-ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. This MOOSE OFFROAD steel sprocket delivers consistent power transfer with minimal wear, keeping your Kawasaki responsive through demanding trail and track conditions...12102113- SKU:
- 12102113
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 43 Tooth 1210-1489-43-ST
MOOSE OFFROAD
$29.95A worn or mismatched rear sprocket throttles your bike's potential—whether you're chasing acceleration off the line or optimizing mid-range response. This MOOSE OFFROAD steel sprocket delivers the durability and precision your Kawasaki demands, with a...12102114- SKU:
- 12102114
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 43 Tooth 1210-1792-43-ST
MOOSE OFFROAD
$29.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 43-Tooth Steel Rear Sprocket delivers the durability and precision needed for consistent performance in...12102117- SKU:
- 12102117
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 45 Tooth 1210-1792-45-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your bike's acceleration, top speed, and overall drivability—and a worn or undersized unit will rob you of performance and reliability. The MOOSE OFFROAD 45-tooth steel rear sprocket delivers...12102118- SKU:
- 12102118
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95