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 Rear Sprocket - 51 Tooth - XT 250 JTR1847.51
JT SPROCKETS
$33.80Rear Sprocket - 51 Tooth - XT 250 Computer 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, Made with top-quality-grade...12102691- SKU:
- 12102691
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$33.80 -
JT SPROCKETS Rear Sprocket - 42 Tooth - Honda/Yamaha JTR245/2.42
JT SPROCKETS
$31.33Rear Sprocket - 42 Tooth - Honda/Yamaha Computer 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, Made with...12102698- SKU:
- 12102698
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$31.33 -
JT SPROCKETS Rear Sprocket - 33 Tooth - CT70 JTR256.33
JT SPROCKETS
$17.33Rear Sprocket - 33 Tooth - CT70 Computer 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, Made with top-quality-grade C45...12102701- SKU:
- 12102701
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$17.33 -
JT SPROCKETS Rear Sprocket - 43 Tooth - Kawasaki JTR460.43
JT SPROCKETS
$31.08Rear Sprocket - 43 Tooth - Kawasaki Computer 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, Made with top-quality-grade...12102702- SKU:
- 12102702
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$31.08 -
JT SPROCKETS Rear Sprocket - 44 Tooth - Kawasaki JTR460.44
JT SPROCKETS
$31.08Rear Sprocket - 44 Tooth - Kawasaki Computer 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, Made with top-quality-grade...12102703- SKU:
- 12102703
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$31.08 -
JT SPROCKETS Rear Sprocket - 48 Tooth - Suzuki JTR811.48
JT SPROCKETS
$32.88Rear Sprocket - 48 Tooth - Suzuki - JTR811.48 Engineered for optimal strength while minimizing weight. Crafted from high-grade C45 high-carbon steel for durability. Heat-treated and bead-blasted for enhanced performance. Designed using...12102720- SKU:
- 12102720
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$32.88 -
JT SPROCKETS Rear Sprocket - 40 Tooth - XT600 JTR857.40
JT SPROCKETS
$27.85Rear Sprocket - 40 Tooth - XT600 Computer 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, Made with top-quality-grade...12102737- SKU:
- 12102737
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
$27.85 -
JT SPROCKETS Rear Sprocket - 46 Tooth - Yamaha JTR251.46
JT SPROCKETS
$29.78Rear Sprocket - 46 Tooth - Yamaha Computer 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, Made with top-quality-grade...12102408- SKU:
- 12102408
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$29.78 -
MOOSE RACING Steel Rear Sprocket - Honda - 36 Tooth 1214ST-36
MOOSE RACING
$26.95Steel Rear Sprocket - Honda - 36 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102739- SKU:
- 12102739
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$26.95 -
MOOSE RACING Steel Rear Sprocket - Honda - 46 Tooth 1214ST-46
MOOSE RACING
$26.95Steel Rear Sprocket - Honda - 1214ST-46 Constructed from premium C45 high-carbon steel for durability and strength. CNC precision-machined to ensure tight tolerances for optimal performance. Features lightening holes to reduce weight without...12102740- SKU:
- 12102740
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
$26.95 -
MOOSE RACING Steel Rear Sprocket - Honda - 37 Tooth 1213ST-37
MOOSE RACING
$26.95Steel Rear Sprocket - Honda - 37 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102738- SKU:
- 12102738
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$26.95 -
JT SPROCKETS Countershaft Sprocket - 16 Tooth - KLR 650 JTF511.16RB
JT SPROCKETS
$20.00Countershaft Sprocket - 16 Tooth - KLR 650 Manufactured using SCM420 chromoly steel alloy12102757- SKU:
- 12102757
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$20.00 -
On Sale
Renthal Ultralight Rear Sprocket 49T Aluminum for Suzuki 123U-520-49GPHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your Suzuki's performance with the RENTHAL Rear Sprocket, featuring a 49-tooth design crafted from high-strength 7075 T6 aluminum. This ultralight sprocket offers a significant weight reduction of 66% compared to steel counterparts, ensuring...12112771- SKU:
- 12112771
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
On Sale
Renthal 51 Tooth Aluminum Rear Sprocket for Suzuki 123U-520-51GPHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your Suzuki's performance with the Renthal Limited Edition Hard Anodized Rear Chainwheel. This ultralight sprocket is crafted from high-strength 7075 T6 aluminum, offering a 66% weight reduction compared to steel counterparts. Designed for...12112773- SKU:
- 12112773
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
On Sale
Renthal Rear Aluminum Sprocket 48T 520 Chain Yamaha 150U-520-48GBHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your Yamaha's performance with the Renthal Rear Sprocket, featuring a 48-tooth design crafted from high-strength 7075 T6 aluminum. This ultralight sprocket offers a significant weight reduction compared to traditional steel options, resulting in...12112774- SKU:
- 12112774
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $103.95Now: $88.00Was: $103.95Qty in Cart: 0Quantity:Price:MSRP: $103.95Now: $88.00Was: $103.95Subtotal: -
On Sale
Renthal Rear Sprocket 51 Tooth Aluminum for Yamaha 150U-520-51GBHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your Yamaha's performance with the RENTHAL Rear Sprocket, featuring a 51-tooth design crafted from high-strength 7075 T6 aluminum. This ultralight sprocket offers a significant weight reduction of approximately 66% compared to traditional steel...12112777- SKU:
- 12112777
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
On Sale
Renthal Rear Sprocket 48 Tooth Aluminum for KTM Husqvarna Gas Gas 224U-520-48GPHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your motorcycle's performance and aesthetics with the Renthal Limited Edition Hard Anodized Rear Chainwheel. This ultralight sprocket is precision-engineered from 7075 T6 aluminum, offering a significant weight reduction of 66% compared to steel...12112782- SKU:
- 12112782
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
On Sale
Renthal Rear Sprocket 49 Tooth Aluminum for KTM Husqvarna Gas Gas 224U-520-49GPHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your motorcycle's performance with the Renthal Rear Sprocket, featuring a 49-tooth design compatible with KTM, Husqvarna, and Gas Gas models. This sprocket combines lightweight construction with exceptional durability, making it an ideal choice...12112783- SKU:
- 12112783
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
On Sale
Renthal Rear Sprocket 50 Tooth Aluminum for KTM Husqvarna Gas Gas 224U-520-50GPHA
RENTHAL
MSRP: $103.95Now: $88.00Was: $103.95Enhance your ride with the Renthal Limited Edition Hard Anodised Rear Chainwheel, a fusion of style, performance, and exclusivity. This ultralight chainwheel, crafted from high-strength 7075 T6 aluminum, offers a significant weight reduction, making it...12112784- SKU:
- 12112784
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
MSRP: $103.95Now: $88.00Was: $103.95 -
JT SPROCKETS Rear Sprocket - Aluminum - 49 Tooth - Blue - Gas Gas/Husqvarna/KTM JTA895.49BLU
JT SPROCKETS
$35.18Rear Sprocket - Aluminum - 49 Tooth - Blue - Gas Gas/Husqvarna/KTM Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC machined for performance and lifespan, Manufactured from the best materials with a special...12112872- SKU:
- 12112872
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$35.18
