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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- Qty in Cart
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- Price
- Subtotal
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MOOSE OFFROAD Steel Rear Sprocket - 47 Tooth 1210-1792-47-ST
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical to optimizing your off-road machine's acceleration, top-end speed, and overall drivetrain efficiency. This 47-tooth MOOSE sprocket delivers the precision engineering and durability required for aggressive...12102119- SKU:
- 12102119
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - KTM - 45 Tooth 1210-899-45-ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to your KTM's power delivery and acceleration characteristics. This MOOSE OFFROAD sprocket delivers the precision engineering and durability required for consistent performance across demanding off-road conditions...12102121- SKU:
- 12102121
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Suzuki - 41 Tooth 1210-1791-41-ST
MOOSE OFFROAD
$29.95A rear sprocket is critical to your Suzuki's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 41-tooth steel sprocket delivers the durability and precision needed for aggressive riding and racing applications, with...12102122- SKU:
- 12102122
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - Suzuki - 43 Tooth 1210-1791-43-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly compromises acceleration, top-end speed, and overall drivetrain efficiency on your Suzuki. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision fitment and durability you need to restore—or upgrade—your...12102123- SKU:
- 12102123
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - Triumph - 43 Tooth 1210-1800-43-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly compromises your Triumph's acceleration, top-end performance, and overall drivetrain efficiency. The MOOSE OFFROAD Steel Rear Sprocket delivers precision engineering and durability, ensuring consistent power...12102124- SKU:
- 12102124
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Triumph - 44 Tooth 1210-1800-44-ST
MOOSE OFFROAD
$29.95The rear sprocket is a critical drivetrain component that directly affects your Triumph's acceleration, top-end speed, and overall power delivery. A worn or low-quality sprocket introduces play in your chain, reduces efficiency, and compromises handling...12102125- SKU:
- 12102125
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Triumph - 47 Tooth 1210-2014-47-ST
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical to your Triumph's acceleration, top-end performance, and chain longevity. This MOOSE OFFROAD 47-tooth sprocket delivers the durability and precision you need for consistent power delivery, whether you're...12102126- SKU:
- 12102126
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 48 Tooth 1210-520TM-48ST
MOOSE OFFROAD
$29.95If you're running a TM and want measurable gains in acceleration without sacrificing top-end capability, gear selection is one of the easiest tuning levers you have. This 48-tooth rear sprocket delivers the engineering precision and material quality that...12102128- SKU:
- 12102128
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 48 Tooth 1210-520TM-49ST
MOOSE OFFROAD
$29.95A worn or suboptimal rear sprocket directly impacts your TM's acceleration, top-end speed, and overall drivetrain efficiency. This MOOSE OFFROAD steel sprocket delivers the precision fit and lightweight construction needed to maximize chain engagement...12102129- SKU:
- 12102129
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 50 Tooth 1210-520TM-50ST
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical for optimizing your dirt bike's acceleration, top-end speed, and overall power delivery. The MOOSE OFFROAD Steel Rear Sprocket delivers the durability and precision engineering required for aggressive trail...12102130- SKU:
- 12102130
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - TM - 52 Tooth 1210-520TM-52ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is fundamental to optimizing your bike's power delivery and acceleration characteristics. This 52-tooth configuration strikes a balance between top-end speed and mid-range responsiveness, making it ideal for mixed terrain...12102132- SKU:
- 12102132
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 48 Tooth 1210-1134-48-ST
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical to extracting maximum torque and acceleration from your Yamaha's powerband. This 48-tooth steel sprocket delivers the aggressive gearing you need for aggressive riding while maintaining the durability required...12102133- SKU:
- 12102133
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$29.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 50 Tooth 1210-1134-50-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95A worn or undersized rear sprocket directly impacts your Yamaha's acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD 50-tooth steel sprocket delivers the durability and precision fit your machine demands, whether you're pushing...12102134- SKU:
- 12102134
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 43 Tooth 1210-1876-43-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95A worn or bent rear sprocket directly impacts your Yamaha's acceleration, top-end performance, and overall drivetrain efficiency. This MOOSE OFFROAD steel sprocket restores precise power delivery and chain engagement with CNC-machined accuracy, ensuring...12102135- SKU:
- 12102135
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 45 Tooth 1210-1876-45-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket compromises power delivery and acceleration consistency—especially critical if you're pushing your Yamaha hard on the track or trail. This MOOSE OFFROAD sprocket restores precise gear engagement with CNC-machined...12102136- SKU:
- 12102136
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-301-45-ST
MOOSE OFFROAD
$29.95A worn or inadequate rear sprocket limits your Honda's acceleration, fuel efficiency, and chain longevity. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision engineering and durability you need to maintain consistent power delivery whether...12102137- SKU:
- 12102137
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 43 Tooth 1210-487-43-ST
MOOSE OFFROAD
$29.95A worn or incorrect rear sprocket directly impacts your Kawasaki's acceleration, top-end velocity, and overall drivetrain efficiency. The 43-tooth configuration on this MOOSE sprocket delivers the performance advantage you need, whether you're pushing...12102138- SKU:
- 12102138
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 44 Tooth 1210-487-44-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly impacts power delivery, acceleration, and overall drivetrain efficiency on your Kawasaki. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision engineering and durability needed to maintain peak performance...12102139- SKU:
- 12102139
- Availability:
- Ships Same Business Day
- Weight:
- 1.82 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 46 Tooth 1210-487-46-ST
MOOSE OFFROAD
$29.95A worn or mismatched rear sprocket directly impacts your Kawasaki's acceleration, top-end power, and chain longevity. This MOOSE OFFROAD steel sprocket delivers the durability and precision fitment needed for consistent performance, whether you're...12102140- SKU:
- 12102140
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 45 Tooth 1210-857-45-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95A worn or damaged rear sprocket directly impacts power delivery, acceleration, and overall drivetrain efficiency on your Yamaha. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision engineering and durability you need to maintain peak...12102141- SKU:
- 12102141
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
MSRP: $29.95Now: $19.00Was: $29.95
