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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Sunstar Rear Sprocket 45T Yamaha TT225 1986-1987 XT225 1992-2007 2-210445
SUNSTAR SPROCKETS
$49.95SUNSTAR SPROCKETS Rear Sprocket 45-Tooth Yamaha 2-210445 Experience the ultimate in performance and durability with the SUNSTAR 45-Tooth Rear Sprocket, designed specifically for Yamaha motorcycles. As a leading supplier since 1946, Sunstar combines...12100177- SKU:
- 12100177
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- STEEL
- MATERIAL:
- CARBON STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 45
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
MOOSE RACING Sprocket - 48 Tooth 1210-897-48-13X
MOOSE RACING
$69.95MOOSE RACING Sprocket 48 Tooth 1210-897-48-13XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel, Self-cleaning mud...12102642- SKU:
- 12102642
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$69.95 -
MOOSE RACING Dual Sprocket - 49 Tooth 1210-897-49-13X
MOOSE RACING
$69.95MOOSE RACING Dual Sprocket 49 Tooth 1210-897-49-13XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel,...12102643- SKU:
- 12102643
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- UNITS:
- EACH
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$69.95 -
MOOSE RACING Dual Sprocket - 50 Tooth 1210-897-50-13X
MOOSE RACING
$69.95MOOSE RACING Dual Sprocket 50 Tooth 1210-897-50-13XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel,...12102644- SKU:
- 12102644
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
$69.95 -
MOOSE RACING Dual Sprocket - 52 Tooth 1210-897-52-13X
MOOSE RACING
$69.95MOOSE RACING Dual Sprocket 52 Tooth 1210-897-52-13XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel,...12102646- SKU:
- 12102646
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket - Black - 49 Tooth 1210-210-49-10X
MOOSE RACING
$69.95MOOSE RACING Dual Sprocket Black 49 Tooth 1210-210-49-10XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel,...12101463- SKU:
- 12101463
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket - Red - 49 Tooth 1210-210-49-13X
MOOSE RACING
$69.95MOOSE RACING Dual Sprocket Red 49 Tooth 1210-210-49-13XDesigned to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets, Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel,...12101465- SKU:
- 12101465
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
$69.95 -
Sunstar 44T Rear Sprocket for Kawasaki KX60 1983-2003 2-143244
SUNSTAR SPROCKETS
$37.95Premium 44-Tooth Rear Sprocket for Kawasaki - SUNSTAR SPROCKETS 2-143244 Enhance your motorcycle's performance with the SUNSTAR 44-Tooth Rear Sprocket, specifically designed for Kawasaki models. Known for its superior engineering and durability, this...2143244- SKU:
- 2143244
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- TOOTH COUNT:
- 44
- TYPE:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- STEEL
- MATERIAL:
- CARBON STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$37.95 -
Sunstar Rear Sprocket 47T Suzuki GSX-R1000 2009-2025 2-547447
SUNSTAR SPROCKETS
$71.95SUNSTAR SPROCKETS Rear Sprocket 47-Tooth for Suzuki/Yamaha - Gold 5-242947 Enhance your motorcycle's performance with the SUNSTAR 47-Tooth Rear Sprocket, designed specifically for Suzuki and Yamaha models. Crafted from aerospace-grade 7075 T-6 aluminum,...5242947- SKU:
- 5242947
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- COLOR/FINISH:
- WORKS/GOLD
- MATERIAL:
- 7075-T6 ALUMINUM
$71.95Qty in Cart: 0Quantity:Price:$71.95Subtotal: -
JT SPROCKETS Sprocket - Rear - Honda - 38-Tooth JTR1350.38
JT SPROCKETS
$23.38JT SPROCKETS Sprocket Rear Honda 38-Tooth JTR1350.38Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC-machined for performance and lifespan, Manufactured from the best materials with a special self-cleaning design, and...JTR135038- SKU:
- JTR135038
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 38
$23.38 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 50-Tooth JTR461.50
JT SPROCKETS
$24.33JT SPROCKETS Sprocket Rear Kawasaki/Suzuki 50-Tooth JTR461.50Computer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value,...JTR46150- SKU:
- JTR46150
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
$24.33 -
JT SPROCKETS Sprocket - Rear - Yamaha - 41-Tooth JTR853.41
JT SPROCKETS
$23.53JT SPROCKETS Sprocket Rear Yamaha 41-Tooth JTR853.41Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...JTR85341- SKU:
- JTR85341
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 41
- UNITS:
- EACH
$23.53 -
JT SPROCKETS Sprocket - Rear - Yamaha - 44-Tooth JTR853.44
JT SPROCKETS
$27.00JT SPROCKETS Sprocket Rear Yamaha 44-Tooth JTR853.44Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...JTR85344- SKU:
- JTR85344
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$27.00 -
JT SPROCKETS Sprocket - Rear - Yamaha - 46-Tooth JTR853.46
JT SPROCKETS
$27.78JT SPROCKETS Sprocket Rear Yamaha 46-Tooth JTR853.46Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...JTR85346- SKU:
- JTR85346
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$27.78 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Beta/Honda JTR210.49SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 49-Tooth Beta/Honda JTR210.49SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102436- SKU:
- 12102436
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 49
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- SELF-CLEANING
$32.98 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Beta/Honda JTR210.50SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 50-Tooth Beta/Honda JTR210.50SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102437- SKU:
- 12102437
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Yamaha JTR251.49SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 49-Tooth Yamaha JTR251.49SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102442- SKU:
- 12102442
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki JTR460.50SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 50-Tooth Kawasaki JTR460.50SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102447- SKU:
- 12102447
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Kawasaki JTR460.51SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 51-Tooth Kawasaki JTR460.51SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every...12102448- SKU:
- 12102448
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki/Suzuki JTR808.50SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 50-Tooth Kawasaki/Suzuki JTR808.50SCComputer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value,...12102451- SKU:
- 12102451
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- MATERIAL:
- STEEL
- UNITS:
- EACH
$32.98
