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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On Sale
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 50-Tooth JTR461.50
JT SPROCKETS
MSRP: $24.33Now: $21.65Was: $24.33A properly sized rear sprocket is critical to optimizing your power delivery, acceleration, and top-end performance. The JT Sprockets 50-Tooth rear sprocket delivers the precision engineering and...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
MSRP: $24.33Now: $21.65Was: $24.33 -
On Sale
JT SPROCKETS Sprocket - Rear - Yamaha - 41-Tooth JTR853.41
JT SPROCKETS
MSRP: $23.53Now: $20.94Was: $23.53A worn or mismatched rear sprocket robs your Yamaha of acceleration, fuel efficiency, and overall drivetrain reliability. The JT Sprockets 41-tooth rear sprocket delivers the precision engineering...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
MSRP: $23.53Now: $20.94Was: $23.53 -
On Sale
JT SPROCKETS Sprocket - Rear - Yamaha - 44-Tooth JTR853.44
JT SPROCKETS
MSRP: $27.00Now: $24.03Was: $27.00A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 44-tooth rear sprocket delivers precise power delivery...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
MSRP: $27.00Now: $24.03Was: $27.00 -
On Sale
JT SPROCKETS Sprocket - Rear - Yamaha - 46-Tooth JTR853.46
JT SPROCKETS
MSRP: $27.78Now: $24.72Was: $27.78A worn or incorrect rear sprocket compromises acceleration, top-end performance, and chain longevity—three factors that separate winning rides from mechanical failures. The JT Sprockets 46-tooth rear...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
MSRP: $27.78Now: $24.72Was: $27.78 -
On Sale
JT SPROCKETS Rear Sprocket - 49-Tooth - Beta/Honda JTR210.49SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98A properly matched rear sprocket is critical to your bike's acceleration, top speed, and overall driveability. The JT Sprockets 49-tooth rear sprocket delivers the precision engineering and...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Rear Sprocket - 50-Tooth - Beta/Honda JTR210.50SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98A properly sized rear sprocket is critical to maximizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. This 50-tooth sprocket is engineered for riders who demand...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Rear Sprocket - 49-Tooth - Yamaha JTR251.49SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98A rear sprocket is one of the highest-wear components on your drivetrain, and JT's 49-tooth design combines precision engineering with proven durability to keep your power delivery consistent lap...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki JTR460.50SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98A properly sized rear sprocket is critical for optimizing your Kawasaki's acceleration, top speed, and engine efficiency. The JT 50-tooth rear sprocket delivers the exact gearing you need for...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Rear Sprocket - 51-Tooth - Kawasaki JTR460.51SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98A properly sized rear sprocket is critical to maximizing your Kawasaki's acceleration, top speed, and engine efficiency. The JT 51-tooth rear sprocket delivers the precision engineering and...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki/Suzuki JTR808.50SC
JT SPROCKETS
MSRP: $32.98Now: $29.35Was: $32.98Optimizing your sprocket ratio is one of the most direct ways to dial in acceleration, top-end performance, and overall driveability on your Kawasaki or Suzuki. The JT Sprockets 50-tooth rear...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
MSRP: $32.98Now: $29.35Was: $32.98 -
On Sale
JT SPROCKETS Sprocket - Rear - KTM - 46-Tooth JTR895.46
JT SPROCKETS
MSRP: $21.48Now: $19.12Was: $21.48A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. This 46-tooth JT sprocket delivers the precision engineering and durability demanded by serious riders, reducing...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
MSRP: $21.48Now: $19.12Was: $21.48 -
On Sale
JT SPROCKETS Sprocket - Suzuki - 39-Tooth JTR808.39
JT SPROCKETS
MSRP: $26.48Now: $23.57Was: $26.48A worn or damaged sprocket directly impacts acceleration, top-end speed, and drivetrain efficiency—making a quality replacement critical for both track performance and reliability. The JT Sprockets...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
MSRP: $26.48Now: $23.57Was: $26.48 -
On Sale
JT SPROCKETS Sprocket - Yamaha - 37-Tooth JTR834.37
JT SPROCKETS
MSRP: $14.78Now: $13.15Was: $14.78A properly matched sprocket is foundational to your drivetrain's efficiency and longevity. This JT 37-tooth rear sprocket delivers the precision engineering and material quality that separates...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
MSRP: $14.78Now: $13.15Was: $14.78 -
On Sale
JT SPROCKETS Rear Sprocket - Honda - Red - 50 Tooth JTA210.50RED
JT SPROCKETS
MSRP: $40.35Now: $35.91Was: $40.35A worn or mismatched rear sprocket directly compromises your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers the precise...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
MSRP: $40.35Now: $35.91Was: $40.35 -
On Sale
JT SPROCKETS Rear Sprocket - Black - 50-Tooth JTA897.50BLK
JT SPROCKETS
MSRP: $40.35Now: $35.91Was: $40.35A properly sized rear sprocket is critical for optimizing your power delivery and achieving the right balance between acceleration and top-end speed. This 50-tooth RaceLite sprocket delivers the...12112683- 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
MSRP: $40.35Now: $35.91Was: $40.35 -
On Sale
JT SPROCKETS Rear Sprocket - Orange - 48-Tooth JTA897.48ORG
JT SPROCKETS
MSRP: $37.38Now: $33.27Was: $37.38A properly matched rear sprocket is fundamental to optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth RaceLite rear sprocket delivers the...12112691- 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
MSRP: $37.38Now: $33.27Was: $37.38 -
On Sale
JT SPROCKETS Rear Sprocket - Orange - 51-Tooth JTA897.51ORG
JT SPROCKETS
MSRP: $41.43Now: $36.87Was: $41.43A properly sized rear sprocket is critical for achieving your target gear ratio and maximizing acceleration or top-end performance depending on your racing application. The JT SPROCKETS 51-tooth rear...12112694- 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
MSRP: $41.43Now: $36.87Was: $41.43 -
On Sale
JT SPROCKETS Sprocket - Rear - Honda - 56-Tooth JTR215.56
JT SPROCKETS
MSRP: $26.20Now: $23.32Was: $26.20A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 56-tooth rear sprocket delivers the precision engineering and material integrity that...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
MSRP: $26.20Now: $23.32Was: $26.20 -
On Sale
JT SPROCKETS Sprocket - Rear - Kawasaki - 33-Tooth JTR801.33
JT SPROCKETS
MSRP: $11.93Now: $10.62Was: $11.93A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 33-tooth rear sprocket delivers consistent power transfer...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
MSRP: $11.93Now: $10.62Was: $11.93 -
On Sale
JT SPROCKETS Sprocket - Yamaha - 54-Tooth JTR833.54
JT SPROCKETS
MSRP: $32.10Now: $28.57Was: $32.10A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 54-tooth rear sprocket for Yamaha combines computer-optimized tooth geometry with premium...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
MSRP: $32.10Now: $28.57Was: $32.10
