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 - TM - 48 Tooth 1210-520TM-48ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - 1210-520TM-48ST Constructed from high-quality C45 high-carbon steel for enhanced durability. CNC precision-machined to ensure tight tolerances for optimal performance. Features strategically placed lightening holes for...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
$29.95Steel Rear Sprocket - 1210-520TM-49ST Constructed from durable C45 high-carbon steel for long-lasting performance. CNC precision-machined to ensure tight tolerances for optimal fit. Features machined lightening holes to reduce weight without...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
$29.95Steel Rear Sprocket - TM - 50 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102130- SKU:
- 12102130
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 52 Tooth 1210-520TM-52ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - TM - 52 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102132- 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
$9.95Steel Rear Sprocket - 1210-1134-48-ST Durable construction from premium C45 high-carbon steel. CNC precision-machined for exact fit and performance. Lightening holes designed to reduce weight without sacrificing strength. Attractive...12102133- SKU:
- 12102133
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$9.95 -
On Sale
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 50 Tooth 1210-1134-50-ST
MOOSE OFFROAD
MSRP: $29.95Now: $19.00Was: $29.95Steel Rear Sprocket - Yamaha - 50 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102134- 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: $29.95Steel Rear Sprocket - Yamaha - 43 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102135- 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
$29.95Steel Rear Sprocket - Yamaha - 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102136- SKU:
- 12102136
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-301-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - 1210-301-45-ST Constructed from durable C45 high-carbon steel for enhanced strength and longevity. CNC precision-machined to ensure exact tolerances for optimal performance. Features lightening holes to reduce weight...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
$29.95Steel Rear Sprocket - Kawasaki - 1210-487-43-ST Constructed from high-quality C45 high-carbon steel for durability. CNC precision-machined to ensure exact tolerances for optimal performance. Features strategically placed lightening holes to...12102138- SKU:
- 12102138
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 44 Tooth 1210-487-44-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Kawasaki - 44 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102139- 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
$29.95Steel Rear Sprocket - Kawasaki - 1210-487-46-ST Constructed from high-quality C45 high-carbon steel for enhanced durability. CNC precision-machined to ensure tight tolerances for optimal performance. Features lightweight holes for reduced...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: $29.95Steel Rear Sprocket - Yamaha - 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102141- SKU:
- 12102141
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
MSRP: $29.95Now: $19.00Was: $29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha- 45 Tooth 1210-855-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha- 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102142- SKU:
- 12102142
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 48 Tooth 1210-855-48-ST
MOOSE OFFROAD
$9.95Steel Rear Sprocket - Yamaha - 1210-855-48-ST Constructed from high-quality C45 high-carbon steel for durability. CNC precision-machined for exact fit and performance. Features lightening holes for reduced weight without compromising...12102143- SKU:
- 12102143
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$9.95 -
MOOSE OFFROAD Rear Sprocket - 45 Tooth 1211-210-45-10
MOOSE OFFROAD
$39.95Rear Sprocket - 1211-210-45-10 Constructed from premium 7075 T651 aluminum for enhanced durability. Features an extra tempering process to minimize distortion. Optimal thickness design ensures superior performance compared to standard 7075...12111412- SKU:
- 12111412
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 46 Tooth 1211-210-46-10
MOOSE OFFROAD
$39.95Rear Sprocket - 46 Tooth 1211-210-46-10 Constructed from high-quality 7075 T651 aluminum for enhanced durability. Extra tempering process minimizes distortion while maintaining optimal thickness. 100% machined design ensures precision...12111413- SKU:
- 12111413
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-210-48-10
MOOSE OFFROAD
$39.95Rear Sprocket - 48 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111415- SKU:
- 12111415
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-210-49-10
MOOSE OFFROAD
$39.95Rear Sprocket - 49 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111416- SKU:
- 12111416
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 50 Tooth 1211-210-50-10
MOOSE OFFROAD
$39.95Rear Sprocket - 50 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111417- SKU:
- 12111417
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal:
