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 - 42-Tooth JTR822.42
JT SPROCKETS
$32.15Computer 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...JTR82242- SKU:
- JTR82242
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 42
$32.15 -
JT SPROCKETS Sprocket - Rear - Suzuki - 50-Tooth JTR816.50
JT SPROCKETS
$47.30Computer-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...JTR81650- SKU:
- JTR81650
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MATERIAL:
- STEEL
$47.30 -
JT SPROCKETS Sprocket - Rear - Suzuki - 48-Tooth JTR816.48
JT SPROCKETS
$46.13Computer-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...JTR81648- SKU:
- JTR81648
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- MATERIAL:
- STEEL
$46.13 -
JT SPROCKETS Sprocket - Rear - Suzuki - 45-Tooth JTR816.45
JT SPROCKETS
$39.95Computer-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...JTR81645- SKU:
- JTR81645
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
$39.95 -
JT SPROCKETS Sprocket - Rear - Suzuki - 43-Tooth JTR816.43
JT SPROCKETS
$39.95Computer-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...JTR81643- SKU:
- JTR81643
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 43
$39.95 -
JT SPROCKETS Sprocket - Rear - Honda - 49-Tooth JTR217.49
JT SPROCKETS
$24.63Computer 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...JTR21749- SKU:
- JTR21749
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MOUNTING POSITION:
- REAR
- MODEL:
- HONDA
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
$24.63 -
JT SPROCKETS Sprocket - Rear - Honda - 55-Tooth JTR215.55
JT SPROCKETS
$26.20Computer 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...JTR21555- SKU:
- JTR21555
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- CHAIN SIZE:
- 420
- TOOTH COUNT:
- 55
- UNITS:
- EACH
$26.20Qty in Cart: 0Quantity:Price:$26.20Subtotal: -
JT SPROCKETS Sprocket - Rear - Honda - 51-Tooth JTR215.51
JT SPROCKETS
$22.23Computer 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...JTR21551- SKU:
- JTR21551
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- UNITS:
- EACH
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$22.23 -
JT SPROCKETS Sprocket - Rear - Honda - 49-Tooth JTR215.49
JT SPROCKETS
$20.58Computer 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...JTR21549- SKU:
- JTR21549
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
$20.58 -
Sunstar Rear Sprocket 50T Kawasaki KX 250F 2004-2021 Gold 5-361950
SUNSTAR SPROCKETS
$88.95Elevate your riding experience with the SUNSTAR 50-Tooth Rear Sprocket, designed specifically for Kawasaki motorcycles. Crafted from aerospace-grade 7075 T-6 aluminum, this sprocket combines exceptional strength with lightweight performance for optimal...5361950- SKU:
- 5361950
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WORKS/GOLD
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$88.95 -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 50 Tooth JTA460.50BLK
JT SPROCKETS
$40.35Computer-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...12112654- SKU:
- 12112654
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- 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 Race Sprocket - 45-Tooth JTR897.45SC
JT SPROCKETS
$29.55Computer 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...12102473- SKU:
- 12102473
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- MATERIAL:
- C49 HIGH CARBON STEEL
$29.55 -
JT SPROCKETS Rear Race Sprocket - 40-Tooth JTR897.40SC
JT SPROCKETS
$29.55Computer 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...12102472- SKU:
- 12102472
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- TOOTH COUNT:
- 40
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- C49 HIGH CARBON STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$29.55 -
JT SPROCKETS Rear Race Sprocket - 42-Tooth JTR897.42SC
JT SPROCKETS
$29.55Computer 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...12102461- SKU:
- 12102461
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- C49 HIGH CARBON STEEL
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$29.55 -
SUPERSPROX Steel Rear Sprocket - 50-Tooth RFE-1512-50-BLK
SUPERSPROX
$59.95Developed on the race track to give longer system life and high performance for street and off-road applications, Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel, Made to Supersprox high quality standards and include our...12101878- SKU:
- 12101878
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$59.95 -
JT SPROCKETS Rear Sprocket - 47-Tooth - Honda JTR210.47SC
JT SPROCKETS
$29.55Computer 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...12102434- SKU:
- 12102434
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 47
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
$29.55 -
JT SPROCKETS Rear Sprocket - 52-Tooth - Honda JTR210.52SC
JT SPROCKETS
$32.98Computer 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...12102439- SKU:
- 12102439
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 53-Tooth - Honda JTR210.53SC
JT SPROCKETS
$32.98Computer 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...12102440- SKU:
- 12102440
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 53
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Yamaha JTR251.48SC
JT SPROCKETS
$29.55Computer 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...12102441- SKU:
- 12102441
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- MATERIAL:
- STEEL
$29.55 -
JT SPROCKETS Sprocket - Rear - KTM - 50-Tooth JTR894.50
JT SPROCKETS
$20.78Computer 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...12100662- SKU:
- 12100662
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$20.78
