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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- Price
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JT SPROCKETS Rear Sprocket - Black - 49 Tooth - Husqvarna/KTM JTA895.49BLK
JT SPROCKETS
$35.18A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 49-tooth rear sprocket for Husqvarna and KTM models delivers the precision engineering and durability you...12112674- SKU:
- 12112674
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$35.18 -
JT SPROCKETS Rear Sprocket - Black - 50 Tooth - KTM JTA895.50BLK
JT SPROCKETS
$36.75A worn or incorrect rear sprocket directly impacts your KTM's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers the precise gear ratio you need while eliminating excess weight, giving you the...12112675- SKU:
- 12112675
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$36.75 -
MOOSE OFFROAD Dual Sprocket - Red - 51 Tooth 1210-897-51-13X
MOOSE OFFROAD
$69.95A worn or inadequate sprocket robs your ride of power transfer efficiency and forces you to replace components more frequently than necessary. The MOOSE OFFROAD Dual Sprocket combines the weight savings of aluminum with the durability of steel,...12102645- SKU:
- 12102645
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$69.95 -
PARTS UNLIMITED Rear Sprocket - 47 Tooth - Kawasaki/Suzuki 42041-152847
PARTS UNLIMITED
$22.21A worn or mismatched rear sprocket directly impacts your bike's acceleration, top speed, and overall drivability. Whether you're fine-tuning your gearing for track conditions or replacing a damaged sprocket, this OEM-spec 47-tooth unit delivers the...12100286- SKU:
- 12100286
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$22.21Qty in Cart: 0Quantity:Price:$22.21Subtotal: -
PARTS UNLIMITED Rear Sprocket - 37 Tooth - Honda 41201-GEL-70037
PARTS UNLIMITED
$19.03A worn or damaged rear sprocket compromises acceleration, top-end performance, and drivetrain efficiency. The PARTS UNLIMITED 37-tooth rear sprocket restores OEM-spec engagement and durability, ensuring reliable power delivery to your Honda's rear wheel...12100371- SKU:
- 12100371
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$19.03 -
Renthal 53 Tooth Rear Sprocket for KTM Husqvarna Gas Gas 224U-520-53GPBK
RENTHAL
$99.82If you're running a 53-tooth rear sprocket on your KTM, Husqvarna, or Gas Gas, weight savings directly translate to faster acceleration and easier handling on technical terrain. The Renthal 53-tooth combines ultralight 7075-T6 aluminum with self-cleaning...12112721- SKU:
- 12112721
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$99.82 -
On Sale
Sunstar Rear Sprocket 50 Tooth for Yamaha TW200 1987-2024 2-210350
SUNSTAR SPROCKETS
MSRP: $41.95Now: $30.00Was: $41.95The Sunstar 50 Tooth Rear Sprocket is engineered to maximize chain contact and power delivery to your rear wheel, resulting in sharper acceleration and more consistent performance across the rev range. Its computer-optimized weight-reduction design...2210350- SKU:
- 2210350
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
MSRP: $41.95Now: $30.00Was: $41.95 -
Renthal 42T Rear Sprocket 520 Pitch Aluminum for Gas Gas Husaberg Husqvarna KTM 224U-520-42GPSI
RENTHAL
$99.82If you're running a 520 chain on your KTM, Husqvarna, Gas Gas, or Husaberg, sprocket weight directly impacts your bike's responsiveness and handling. The Renthal 42T aluminum sprocket cuts 33% of the mass found in steel equivalents, translating to...12112519- SKU:
- 12112519
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$99.82 -
MOOSE OFFROAD Steel Rear Sprocket - KTM - 42 Tooth 1210-899-42-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your KTM's power delivery and acceleration characteristics. This 42-tooth sprocket delivers the performance balance you need for aggressive trail riding or competitive off-road racing without...12102120- SKU:
- 12102120
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
On Sale
MOOSE OFFROAD Rear Sprocket - 44 Tooth 1211-1800-44-10
MOOSE OFFROAD
MSRP: $39.95Now: $26.00Was: $39.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and chain longevity. This MOOSE OFFROAD 44-tooth sprocket delivers precise tooth engagement and eliminates the slack and wear that comes with inferior stamped...12112029- SKU:
- 12112029
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
MSRP: $39.95Now: $26.00Was: $39.95 -
MOOSE OFFROAD Steel Rear Sprocket - 47 Tooth 1210-822-47-STL
MOOSE OFFROAD
$29.95A worn or suboptimal rear sprocket directly impacts acceleration response, chain wear, and overall drivetrain efficiency on your bike. The MOOSE OFFROAD Steel Rear Sprocket delivers the precision engineering and material quality needed to maximize power...12101733- SKU:
- 12101733
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 48 Tooth 1210-822-48-STL
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket throttles your acceleration and top-end performance. The MOOSE OFFROAD 48-tooth steel sprocket delivers the durability and precision tolerances you need for consistent power transfer, whether you're pushing hard on the...12101734- SKU:
- 12101734
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 49 Tooth 1210-822-49-STL
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical for optimizing your off-road machine's acceleration, top-end speed, and overall power delivery. The MOOSE OFFROAD 49-tooth steel sprocket delivers the durability and precision required for demanding trail...12101735- SKU:
- 12101735
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 50 Tooth 1210-822-50-STL
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your off-road bike's power delivery and top-end performance. The MOOSE OFFROAD 50-tooth sprocket delivers the gearing you need for aggressive trail riding and technical terrain, without...12101736- SKU:
- 12101736
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 51 Tooth 1210-822-51-STL
MOOSE OFFROAD
$29.95A rear sprocket is one of the most direct ways to tune your motorcycle's power delivery and acceleration characteristics. The MOOSE OFFROAD 51-tooth design shifts your gearing toward low-end torque and quicker acceleration, making it ideal for technical...12101737- SKU:
- 12101737
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 52 Tooth 1210-822-52-STL
MOOSE OFFROAD
$29.95A 52-tooth rear sprocket shifts your power delivery toward acceleration and low-end torque—critical for off-road riding where grunt matters more than top speed. MOOSE OFFROAD's steel construction and CNC precision ensure your sprocket handles consistent...12101738- SKU:
- 12101738
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 46 Tooth 1210-BET-46-STL
MOOSE OFFROAD
$29.95A 46-tooth rear sprocket is a proven setup for riders seeking sharper acceleration and improved low-to-mid range response without sacrificing top-end capability. This MOOSE OFFROAD unit combines high-carbon steel construction with precision machining to...12101739- SKU:
- 12101739
- Availability:
- Ships Same Business Day
- Weight:
- 1.92 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 47 Tooth 1210-BET-47-STL
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket limits acceleration and forces your engine to work harder than necessary. This MOOSE OFFROAD steel sprocket delivers predictable power transfer with precision CNC machining and robust C45 high-carbon steel construction,...12101740- SKU:
- 12101740
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 48 Tooth 1210-BET-48-STL
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket directly impacts your acceleration, top-end speed, and engine strain—especially in off-road conditions where consistency matters. The MOOSE OFFROAD Steel Rear Sprocket delivers the durability and precision you need to...12101741- SKU:
- 12101741
- Availability:
- Ships Same Business Day
- Weight:
- 2.17 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 49 Tooth 1210-BET-49-STL
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to optimizing your bike's acceleration, top-end speed, and overall powertrain efficiency. The MOOSE OFFROAD 49-tooth steel sprocket delivers the durability and precision needed for serious off-road riding,...12101742- SKU:
- 12101742
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: