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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JT SPROCKETS Sprocket - Rear - KTM - 46-Tooth JTR895.46
JT SPROCKETS
$21.48JT SPROCKETS Sprocket Rear KTM 46-Tooth JTR895.46Computer 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 sprocket...12100663- SKU:
- 12100663
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$21.48 -
JT SPROCKETS Sprocket - Suzuki - 39-Tooth JTR808.39
JT SPROCKETS
$26.48JT SPROCKETS Sprocket Suzuki 39-Tooth JTR808.39Computer-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...12100688- SKU:
- 12100688
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 39
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.48 -
JT SPROCKETS Sprocket - Yamaha - 37-Tooth JTR834.37
JT SPROCKETS
$14.78JT SPROCKETS Sprocket Yamaha 37-Tooth JTR834.37Computer 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...12101340- SKU:
- 12101340
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MODEL:
- YAMAHA
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
$14.78 -
JT SPROCKETS Rear Sprocket - Honda - Red - 50 Tooth JTA210.50RED
JT SPROCKETS
$40.35JT SPROCKETS Rear Sprocket Honda Red 50 Tooth JTA210.50REDComputer-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...12112571- SKU:
- 12112571
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 50-Tooth JTA897.50BLK
JT SPROCKETS
$40.35JT SPROCKETS Rear Sprocket Black 50-Tooth JTA897.50BLKRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112683- SKU:
- 12112683
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$40.35 -
JT SPROCKETS Rear Sprocket - Orange - 48-Tooth JTA897.48ORG
JT SPROCKETS
$37.38JT SPROCKETS Rear Sprocket Orange 48-Tooth JTA897.48ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112691- SKU:
- 12112691
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$37.38 -
JT SPROCKETS Rear Sprocket - Orange - 51-Tooth JTA897.51ORG
JT SPROCKETS
$41.43JT SPROCKETS Rear Sprocket Orange 51-Tooth JTA897.51ORGRaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112694- SKU:
- 12112694
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
$41.43 -
JT SPROCKETS Sprocket - Rear - Honda - 56-Tooth JTR215.56
JT SPROCKETS
$26.20JT SPROCKETS Sprocket Rear Honda 56-Tooth JTR215.56Computer 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...12120117- SKU:
- 12120117
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TOOTH COUNT:
- 56
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.20 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 33-Tooth JTR801.33
JT SPROCKETS
$11.93JT SPROCKETS Sprocket Rear Kawasaki 33-Tooth JTR801.33Computer 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...12120241- SKU:
- 12120241
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- C45 HIGH-CARBON STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 33
- UNITS:
- EACH
$11.93 -
JT SPROCKETS Sprocket - Yamaha - 54-Tooth JTR833.54
JT SPROCKETS
$32.10JT SPROCKETS Sprocket Yamaha 54-Tooth JTR833.54Computer 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...12101437- SKU:
- 12101437
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- MODEL:
- YAMAHA
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
$32.10 -
JT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth JTX210.47GR
JT SPROCKETS
$51.80JT SPROCKETS Steel Rear Sprocket Gray 47-Tooth JTX210.47GRJT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth12102595- SKU:
- 12102595
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- T6 ALUMINUM CENTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- GRAPHITE
- RIDING STYLE:
- STREET
- STYLE:
- TWINSTAR
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth JTX210.48GR
JT SPROCKETS
$51.80JT SPROCKETS Steel Rear Sprocket Gray 48-Tooth JTX210.48GRJT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth12102596- SKU:
- 12102596
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- T6 ALUMINUM CENTER
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- STYLE:
- TWINSTAR
- COLOR/FINISH:
- GRAPHITE
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- RIDING STYLE:
- OFF-ROAD
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth JTX210.50GR
JT SPROCKETS
$51.80JT SPROCKETS Steel Rear Sprocket Gray 50-Tooth JTX210.50GRJT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth12102598- SKU:
- 12102598
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 50
- STYLE:
- TWINSTAR
- UNITS:
- EACH
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- COLOR/FINISH:
- GRAPHITE
- MATERIAL:
- T6 ALUMINUM CENTER
- RIDING STYLE:
- OFF-ROAD
$51.80 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Yamaha JTR251.50SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 50-Tooth Yamaha JTR251.50SCComputer 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...12102443- SKU:
- 12102443
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Yamaha JTR251.51SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 51-Tooth Yamaha JTR251.51SCComputer 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...12102444- SKU:
- 12102444
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR460.48SC
JT SPROCKETS
$29.55JT SPROCKETS Rear Sprocket 48-Tooth Kawasaki/Suzuki JTR460.48SCComputer 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,...12102445- SKU:
- 12102445
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
$29.55 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki JTR460.49SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 49-Tooth Kawasaki JTR460.49SCComputer 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...12102446- SKU:
- 12102446
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MATERIAL:
- STEEL
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR808.48SC
JT SPROCKETS
$29.55JT SPROCKETS Rear Sprocket 48-Tooth Kawasaki/Suzuki JTR808.48SCComputer 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,...12102449- SKU:
- 12102449
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$29.55 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki/Suzuki JTR808.49SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 49-Tooth Kawasaki/Suzuki JTR808.49SCComputer 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,...12102450- SKU:
- 12102450
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Kawasaki/Suzuki JTR808.51SC
JT SPROCKETS
$32.98JT SPROCKETS Rear Sprocket 51-Tooth Kawasaki/Suzuki JTR808.51SCComputer 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,...12102452- SKU:
- 12102452
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- MATERIAL:
- STEEL
- UNITS:
- EACH
$32.98
