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
-
JT SPROCKETS Sprocket - Rear - Honda - 38 Tooth JTR1214.38
JT SPROCKETS
$17.78Computer 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 sprocket meets or exceeds the highest possible quality...12101342- SKU:
- 12101342
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 420
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 38
- MATERIAL:
- C45 HIGH-CARBON STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$17.78 -
SUPERSPROX Stealth Rear Sprocket - 49-Tooth - Gold - Husaburg RST-4-49-GLD
SUPERSPROX
$99.95If you're running a high-displacement Husaburg and want sprocket longevity without the weight penalty, the SUPERSPROX Stealth delivers steel tooth durability with an aluminum core that cuts rotational mass. You'll gain 4x longer wear life compared to...12101994- SKU:
- 12101994
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$99.95 -
SUPERSPROX Stealth Rear Sprocket - 48-Tooth - Gold - Kawasaki RST-460-48-GLD
SUPERSPROX
$119.95If you're running a high-displacement Kawasaki and want sprocket longevity without sacrificing weight, the SUPERSPROX Stealth delivers steel-tooth durability in a package that won't bog down your bike. The hybrid steel-and-aluminum construction gives you...12101997- SKU:
- 12101997
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- GOLD
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$119.95 -
JT SPROCKETS Sprocket - Rear - Suzuki - 41-Tooth JTR822.41
JT SPROCKETS
$32.15A worn or incorrect sprocket directly impacts acceleration, top-end speed, and drivetrain efficiency—compromising your bike's overall performance. The JT Sprockets 41-Tooth Rear Sprocket delivers computer-optimized strength-to-weight engineering that...12100841- SKU:
- 12100841
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 41
- COLOR/FINISH:
- STEEL
- MODEL:
- SUZUKI
- PRODUCT NAME:
- SPROCKET
$32.15 -
JT SPROCKETS Sprocket - Rear - Suzuki - 44-Tooth JTR822.44
JT SPROCKETS
$33.63A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Suzuki. The JT Sprockets 44-tooth rear sprocket delivers the precise engagement and durability your bike demands, whether you're...12100842- SKU:
- 12100842
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- STEEL
- MATERIAL:
- STEEL
- MODEL:
- SUZUKI
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
$33.63 -
JT SPROCKETS Sprocket - Rear - Honda - 38-Tooth JTR210.38
JT SPROCKETS
$27.75A worn or inadequate rear sprocket compromises acceleration, top-end performance, and chain longevity across the entire drivetrain. The JT Sprockets 38-tooth rear sprocket delivers computer-optimized strength without excess weight, ensuring reliable...12100630- SKU:
- 12100630
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CHAIN SIZE:
- 520
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 38
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$27.75 -
JT SPROCKETS Sprocket - Rear - Honda - 39-Tooth JTR210.39
JT SPROCKETS
$27.75A worn or inadequate rear sprocket directly impacts your bike's acceleration, top-end speed, and chain longevity. The JT Sprockets 39-Tooth Rear Sprocket is engineered using computer-aided design and premium C45 high-carbon steel to deliver the...12100631- SKU:
- 12100631
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 39
- MOUNTING POSITION:
- REAR
$27.75 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 39-Tooth JTR460.39
JT SPROCKETS
$31.08A rear sprocket is fundamental to your drivetrain's efficiency, directly impacting acceleration, top speed, and chain longevity. The JT Sprockets 39-tooth rear sprocket combines precision engineering with proven materials to deliver consistent...12100640- SKU:
- 12100640
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 39
$31.08 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 42-Tooth JTR460.42
JT SPROCKETS
$31.08A lightweight rear sprocket is one of the highest-impact upgrades you can make to reduce unsprung rotating mass and sharpen throttle response. The JT Sprockets 42-tooth rear sprocket delivers the strength of traditional steel construction while...12100641- SKU:
- 12100641
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
$31.08 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 51-Tooth JTR797.51
JT SPROCKETS
$23.30A rear sprocket is fundamental to your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 51-tooth rear sprocket delivers the precise gear ratio tuning that separates competitive lap times from the rest, while its...12100654- SKU:
- 12100654
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$23.30 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 57-Tooth JTR797.57
JT SPROCKETS
$29.15A 57-tooth rear sprocket is the foundation of your drivetrain's acceleration and top-end capability—get the gearing wrong, and you're leaving performance on the table. JT Sprockets delivers precision-engineered rear sprockets that combine high-strength...12100655- SKU:
- 12100655
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 57
$29.15 -
JT SPROCKETS Sprocket - Honda - 45-Tooth JTR301.45
JT SPROCKETS
$31.33A sprocket is only as reliable as its material and manufacturing process—and JT Sprockets delivers both in spades. This 45-tooth sprocket is engineered for durability and precision, combining computer-optimized design with high-carbon steel construction...12100508- SKU:
- 12100508
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$31.33 -
JT SPROCKETS Sprocket - Honda - 48-Tooth JTR301.48
JT SPROCKETS
$33.88A properly sized sprocket is critical to maximizing chain efficiency and maintaining optimal power delivery to your rear wheel. This 48-tooth JT sprocket delivers the strength and precision required for consistent performance, whether you're pushing hard...12100509- SKU:
- 12100509
- Availability:
- Ships Same Business Day
- Weight:
- 1.73 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$33.88 -
JT SPROCKETS Sprocket - Rear - Honda - 36-Tooth JTR1214.36
JT SPROCKETS
$17.78A sprocket is one of the most critical drivetrain components affecting acceleration, top speed, and overall chain system efficiency. The JT Sprockets 36-tooth rear sprocket delivers precision engineering with reduced rotating weight, directly translating...JTR121436- SKU:
- JTR121436
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- TOOTH COUNT:
- 36
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
$17.78 -
JT SPROCKETS Sprocket - Rear - Honda - 47-Tooth JTR1214.47
JT SPROCKETS
$18.48A worn or inefficient rear sprocket directly impacts your bike's acceleration, fuel efficiency, and overall drivetrain responsiveness. The JT Sprockets 47-Tooth Rear Sprocket is engineered for maximum strength while minimizing rotational mass, giving you...JTR121447- SKU:
- JTR121447
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 47
- CHAIN SIZE:
- 420
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$18.48 -
JT SPROCKETS Sprocket - Rear - Honda - 40-Tooth JTR1351.40
JT SPROCKETS
$28.78Rear sprocket wear directly impacts your power delivery and acceleration response—a worn or mismatched sprocket robs you of consistent performance and increases drivetrain stress. The JT Sprockets 40-tooth rear sprocket delivers precise engagement with...JTR135140- SKU:
- JTR135140
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
$28.78 -
JT SPROCKETS Sprocket - Rear - Honda - 40-Tooth JTR1352.40
JT SPROCKETS
$28.78A properly sized rear sprocket is critical to your Honda's acceleration, top-end speed, and overall drivetrain efficiency. This 40-tooth JT sprocket delivers the precision engineering necessary for consistent power delivery, whether you're optimizing for...JTR135240- SKU:
- JTR135240
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 40
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MODEL:
- HONDA
- UNITS:
- EACH
$28.78 -
JT SPROCKETS Sprocket - Rear - Honda - 40-Tooth JTR1353.40
JT SPROCKETS
$27.00A worn or mismatched rear sprocket will kill your power delivery and leave you hunting for RPMs on the track or street. The JT Sprockets 40-tooth rear sprocket delivers the precise gear ratio your Honda needs for optimal acceleration and top-end...JTR135340- SKU:
- JTR135340
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- MATERIAL:
- STEEL
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$27.00 -
JT SPROCKETS Sprocket - Rear - Honda - 38-Tooth JTR1354.38
JT SPROCKETS
$27.38A properly sized rear sprocket is fundamental to optimizing your Honda's acceleration, top-end speed, and overall powertrain efficiency. This 38-tooth JT Sprockets option delivers the precise gearing you need for consistent throttle response and reduced...JTR135438- SKU:
- JTR135438
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 38
- UNITS:
- EACH
$27.38 -
JT SPROCKETS Sprocket - Rear - Honda - 50-Tooth JTR1355.50
JT SPROCKETS
$26.73A worn or mismatched rear sprocket directly impacts your Honda's acceleration, top-end speed, and engine efficiency—making the right choice critical for both street and track performance. The JT Sprockets 50-tooth rear sprocket delivers the precision...JTR135550- SKU:
- JTR135550
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$26.73
