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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MOOSE OFFROAD Rear Sprocket - 48 Tooth - Husqvarna/KTM 1211-895-48-12
MOOSE OFFROAD
$39.95A larger rear sprocket directly impacts acceleration and low-end torque delivery—critical for riders who demand responsive power across varied terrain. The 48-tooth configuration optimizes your gearing for aggressive trail riding while the precision...12111895- SKU:
- 12111895
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 48 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-48-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and chain wear across your entire drivetrain. The MOOSE OFFROAD 48-tooth rear sprocket delivers precision-machined construction and premium 7075 T651 aluminum that...12111905- SKU:
- 12111905
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-50-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 50-tooth sprocket delivers the precision engineering and material quality necessary for consistent performance, whether...12111907- SKU:
- 12111907
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 41 Tooth - Honda 1211-1316-41-10
MOOSE OFFROAD
$39.95A worn or suboptimal rear sprocket directly compromises power delivery and chain longevity on your Honda. This 41-tooth MOOSE OFFROAD sprocket restores precise engagement and efficient torque transfer, whether you're pushing hard on the track or cruising...12111997- SKU:
- 12111997
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 41 Tooth - Honda 1211-1304-41-10
MOOSE OFFROAD
$39.95A worn or incorrect rear sprocket directly impacts your Honda's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 41-tooth sprocket delivers precise engagement and durability through advanced CNC machining, giving you reliable...12112008- SKU:
- 12112008
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 43 Tooth 1211-1489-43-10
MOOSE OFFROAD
$9.95A rear sprocket is one of the most critical drivetrain components for acceleration, handling, and overall ride quality—especially on off-road machines where precise power delivery matters. This 43-tooth configuration strikes an ideal balance between...12112018- SKU:
- 12112018
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - TM 1211-520T-50-10
MOOSE OFFROAD
$10.95A worn or improperly sized sprocket will compromise your chain engagement, accelerate drivetrain wear, and cost you power delivery when you can least afford it. The MOOSE OFFROAD 50-tooth rear sprocket delivers the precision engineering and material...12112038- SKU:
- 12112038
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
JT SPROCKETS Rear Sprocket - 48 Tooth - Aprilia/BMW JTR706.48
JT SPROCKETS
$31.95A properly sized rear sprocket directly impacts your acceleration, top-end speed, and overall powertrain efficiency. The JT Sprockets 48-tooth rear sprocket is engineered for Aprilia and BMW motorcycles, delivering the durability and precision needed for...12100647- SKU:
- 12100647
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
$31.95 -
JT SPROCKETS Rear Sprocket - 46 Tooth - DR200S JTR811.46
JT SPROCKETS
$23.95A worn or incorrect rear sprocket directly impacts your DR200S's acceleration, top speed, and engine efficiency. The JT Sprockets 46-tooth rear sprocket restores optimal power delivery with precision engineering and proven durability that outlasts OEM...12102726- SKU:
- 12102726
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
MOOSE RACING Steel Rear Sprocket - Honda - 49 Tooth 1204ST-49
MOOSE RACING
$26.95A properly matched rear sprocket is fundamental to optimizing your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE RACING 49-tooth steel sprocket delivers the precision engineering and durability required for both track...12102741- SKU:
- 12102741
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$26.95 -
MOOSE RACING Steel Rear Sprocket - Honda - 50 Tooth 1204ST-50
MOOSE RACING
$26.95A worn or incorrect sprocket directly impacts your Honda's acceleration, fuel efficiency, and drivetrain wear. The MOOSE RACING 50-tooth steel rear sprocket delivers aggressive low-end torque and faster acceleration while maintaining the durability...12102742- SKU:
- 12102742
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
$26.95 -
Renthal Rear Aluminum Sprocket 50 Tooth for Kawasaki 112U-520-50GEHA
RENTHAL
$103.95If you're running a 520 chain setup on your Kawasaki, upgrading to an aluminum rear sprocket directly improves acceleration and reduces the rotational mass slowing your bike down. The Renthal 50-tooth design cuts weight by roughly two-thirds compared to...12112769- SKU:
- 12112769
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 51 Tooth for Kawasaki 112U-520-51GEHA
RENTHAL
$103.95If you're running a Kawasaki dirt bike or off-road machine, your sprocket choice directly impacts acceleration, handling, and overall drivetrain efficiency. The Renthal 51-tooth rear sprocket shaves significant rotational weight from your bike while...12112770- SKU:
- 12112770
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 50 Tooth for Honda CRF250R CRF450R CRF450X 154U-520-50GRHA
RENTHAL
$103.95Shaving 66% off your sprocket weight directly improves throttle response, acceleration, and fuel efficiency—critical gains for both track days and competitive racing. The hard-anodized 7075 T6 aluminum construction resists wear and tooth degradation far...12112780- SKU:
- 12112780
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 51 Tooth for Honda CR125R 1983-2007 154U-520-51GRHA
RENTHAL
$103.95Shave unsprung weight while maximizing power delivery to the rear wheel—the Renthal 51-tooth rear sprocket cuts down rotational mass by 66% compared to steel alternatives, directly translating to quicker acceleration and sharper handling on the track...12112781- SKU:
- 12112781
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
MOOSE RACING Dual Sprocket MSE - Blue - 50-Tooth 1210-251-50-12X
MOOSE RACING
$69.95A dual-material sprocket gives you the durability of steel with the weight savings of aluminum—a combination that translates to sharper acceleration and reduced unsprung mass. The self-cleaning mud grooves keep your drivetrain responsive in demanding...12101483- SKU:
- 12101483
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
MOOSE RACING Dual Sprocket MSE - Silver - 48-Tooth 1210-822-48-11X
MOOSE RACING
$69.95If you're running a rear sprocket that's wearing out prematurely or slowing you down with excess weight, the MOOSE RACING Dual Sprocket MSE delivers the durability and performance you need to stay competitive. By combining a lightweight 7075 T6 aluminum...12101509- SKU:
- 12101509
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- STYLE:
- DUAL
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
MOOSE RACING Dual Sprocket MSE - Orange - 52-Tooth 1210-897-52-14X
MOOSE RACING
$69.95If you're running a rear sprocket that can't keep pace with your riding demands, the MOOSE RACING Dual Sprocket MSE is engineered to deliver the durability and weight savings you need. The hybrid construction—7075 T6 aluminum inner ring paired with...12101528- SKU:
- 12101528
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket - Black - 48 Tooth 1210-210-48-10X
MOOSE RACING
$69.95If you're running a dual-sprocket setup, you need a component that balances weight savings with durability under constant load. The MOOSE RACING 48-tooth sprocket delivers the lightweight advantage of aluminum without sacrificing the wear resistance that...12101460- SKU:
- 12101460
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95 -
MOOSE RACING Dual Sprocket - Red - 48 Tooth 1210-210-48-13X
MOOSE RACING
$69.95The MOOSE RACING Dual Sprocket delivers the weight savings of aluminum with the durability of steel—a combination that translates directly to better acceleration and reduced drivetrain stress. The hybrid construction outlasts standard aluminum sprockets...12101462- SKU:
- 12101462
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
$69.95
