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
Renthal Red 49-Tooth Rear Sprocket for Honda 154U-520-49GRRD
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Honda motorcycle's performance with the RENTHAL 49-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being approximately 66% lighter than traditional steel...12110160- SKU:
- 12110160
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal 51-Tooth Red Rear Sprocket for Honda 154U-520-51GRRD
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Honda motorcycle's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being approximately 66% lighter than traditional steel...12110162- SKU:
- 12110162
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal 48-Tooth Rear Sprocket for Yamaha WR and YZ Models 150U-520-48GBBU
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Yamaha motorcycle's performance with the RENTHAL 48-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its ultralight construction is...12110164- SKU:
- 12110164
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal Blue 50-Tooth Rear Sprocket for Yamaha 150U-520-50GBBU
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Yamaha motorcycle's performance with the RENTHAL 50-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for riders seeking improved acceleration and handling. Its...12110166- SKU:
- 12110166
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal TwinRing Rear Sprocket 50T Black 1120-520-50GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12100805- SKU:
- 12100805
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal TwinRing Rear Sprocket 49T 520 Chain Black 1230-520-49GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines advanced materials and innovative design to deliver exceptional performance and durability for off-road enthusiasts. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less...12100807- SKU:
- 12100807
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal TwinRing Rear Sprocket 49T Black 520 Chain 1500-520-49GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines a high-strength Ultralight™ 7075 T-6 aluminum inner ring with an electro-less nickel-coated steel outer ring, offering exceptional durability and reduced weight. This innovative design ensures a permanent bond...12100809- SKU:
- 12100809
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal Twinring Rear Sprocket 48T Black 2240-520-48GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12100815- SKU:
- 12100815
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal Twinring Rear Sprocket 50T Black 2240-520-50GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12100816- SKU:
- 12100816
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal TwinRing 49-Tooth Rear Sprocket Blue 1500-520-49GPBU
RENTHAL
MSRP: $149.98Now: $127.00Was: $149.98The RENTHAL TwinRing™ Rear Sprocket combines a high-strength Ultralight™ 7075 T-6 aluminum inner ring with an electro-less nickel-coated steel outer ring, offering exceptional durability and reduced weight. Designed for off-road enthusiasts, this...12100818- SKU:
- 12100818
- Availability:
- Ships Same Business Day
- Weight:
- 1.76 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLUE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
MSRP: $149.98Now: $127.00Was: $149.98 -
On Sale
Renthal Twinring Rear Sprocket 49T Red 520 Chain 1540-520-49GPRD
RENTHAL
MSRP: $149.98Now: $127.00Was: $149.98The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability for off-road enthusiasts. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less...12100821- SKU:
- 12100821
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
MSRP: $149.98Now: $127.00Was: $149.98 -
On Sale
Renthal TwinRing Rear Sprocket 50T Red 520 Chain 1540-520-50GPRD
RENTHAL
MSRP: $149.98Now: $127.00Was: $149.98The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12100822- SKU:
- 12100822
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $149.98Now: $127.00Was: $149.98 -
On Sale
Renthal Twinring Rear Sprocket 48T Orange 2240-520-48GPOR
RENTHAL
MSRP: $149.98Now: $127.00Was: $149.98The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12100983- SKU:
- 12100983
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $149.98Now: $127.00Was: $149.98 -
On Sale
Renthal Twinring Rear Sprocket 48T Black 1500-520-48GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability for off-road enthusiasts. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less...12101344- SKU:
- 12101344
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal Rear Sprocket 48T Orange 520 Chain 224U-520-48GPOR
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your off-road performance with the RENTHAL Rear Sprocket, featuring a 48-tooth configuration and vibrant orange finish. Crafted from high-strength 7075-T6 aluminum, this sprocket offers a significant weight reduction of 66% compared to steel...12112474- SKU:
- 12112474
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal Ultralight Rear Sprocket 38T Orange 491-415-38P-OR
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your off-road performance with the RENTHAL Rear Sprocket, featuring a 38-tooth configuration and vibrant orange finish. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter...12112490- SKU:
- 12112490
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- TOOTH COUNT:
- 38
- CHAIN SIZE:
- 415
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal 48-Tooth Green Rear Sprocket for Kawasaki 112U52048GEGN
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Kawasaki's performance with the RENTHAL 48-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being approximately 66% lighter than traditional steel options. Its...12111345- SKU:
- 12111345
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GREEN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal 51-Tooth Green Rear Sprocket for Kawasaki 112U52051GEGN
RENTHAL
MSRP: $104.61Now: $89.00Was: $104.61Enhance your Kawasaki's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum, this sprocket offers a perfect balance of durability and weight savings. Its ultralight design is approximately 66% lighter than...12111348- SKU:
- 12111348
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $104.61Now: $89.00Was: $104.61 -
On Sale
Renthal 51 Tooth Black TwinRing Heavy-Duty Rear Sprocket 1120-520-51GPBK
RENTHAL
MSRP: $142.50Now: $121.00Was: $142.50The RENTHAL Rear Sprocket 51 Tooth Black 1120-520-51GPBK combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated...12100806- SKU:
- 12100806
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
MSRP: $142.50Now: $121.00Was: $142.50 -
On Sale
Renthal Twinring Rear Sprocket 50-Tooth Green 112052050GPGN
RENTHAL
MSRP: $149.98Now: $127.00Was: $149.98The RENTHAL Twinring™ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralight™ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...12101140- SKU:
- 12101140
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GREEN
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
MSRP: $149.98Now: $127.00Was: $149.98
