ATV/UTV Rear Sprockets - Aluminum
ATV/UTV Aluminum Rear Sprockets at JJ Motorsports
Lighten your ATV/UTV's drivetrain with premium aluminum rear sprockets from JJ Motorsports, featuring 38-40 tooth designs for optimized gearing and durability in off-road, trail, and utility riding. These lightweight sprockets reduce unsprung weight for better acceleration on Yamaha, Honda, and more.
Shop Sunstar Sprockets and Renthal aluminum sprockets for race-proven quality and corrosion resistance. Explore related categories such as ATV/UTV front sprockets or ATV/UTV drivetrain for chains and axles to complete your gearing upgrades and conquer any terrain with confidence.
Top ATV/UTV Aluminum Rear Sprockets
- Sunstar Sprockets Rear Sprocket 40 Tooth Yamaha Gold 5-367940 – Gold anodized 40-tooth aluminum sprocket; lightweight for Yamaha YFZ450 and Grizzly models.
- Renthal Sprocket Yamaha 39 Tooth 437U-520-39GBSI – Aluminum 39-tooth sprocket; hard anodized for long life on Yamaha Banshee and Blaster.
- Renthal Sprocket Honda 38 Tooth 223U-520-38GPSI – 38-tooth aluminum sprocket; precision-machined for Honda TRX450R and CRF450X.
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 Aluminum Sprocket - 39 Tooth - Honda 1350-39AL
MOOSE OFFROAD
$39.95Worn or undersized sprockets compromise acceleration and chain longevity on your Honda ATV. The MOOSE OFFROAD Rear Aluminum Sprocket delivers the 39-tooth ratio you need for optimal power delivery while cutting rotational mass—a direct upgrade over...12112725- SKU:
- 12112725
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 42 Tooth - Honda 1486-42AL
MOOSE OFFROAD
$39.95If you're running a Honda ATV and want sharper acceleration without sacrificing durability, this 42-tooth aluminum sprocket is a direct upgrade to your drivetrain efficiency. The lightweight 7075-T651 construction cuts rotating mass while the...12112730- SKU:
- 12112730
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 40 Tooth - Yamaha 853-40AL
MOOSE OFFROAD
$39.95A worn or stock rear sprocket directly impacts acceleration, top-end speed, and chain wear—making it one of the highest-ROI upgrades for any ATV. This MOOSE OFFROAD aluminum sprocket delivers measurable performance gains while substantially outlasting...12112736- SKU:
- 12112736
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - KTM 897-38AL
MOOSE OFFROAD
$39.95Worn or damaged rear sprockets compromise chain engagement and accelerate drivetrain wear across your entire system. The MOOSE OFFROAD 38-tooth aluminum sprocket delivers the durability and precision needed to maintain consistent power transfer while...12112738- SKU:
- 12112738
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 36 Tooth - Honda 1350-36AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 36-tooth aluminum sprocket delivers a precision-engineered replacement that weighs significantly less than cast-iron alternatives while...12112722- SKU:
- 12112722
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 37 Tooth - Honda 1350-37AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket robs your Honda ATV of acceleration and top-end performance. The MOOSE OFFROAD 37-tooth aluminum sprocket replaces stamped OEM designs with a precision-engineered component that delivers stronger engagement with your...12112723- SKU:
- 12112723
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - Honda 1350-38AL
MOOSE OFFROAD
$39.95A worn or compromised rear sprocket directly impacts power delivery, acceleration, and chain life on your Honda ATV. The MOOSE OFFROAD 38-tooth aluminum sprocket replaces stamped alternatives with CNC-machined precision, delivering consistent engagement...12112724- SKU:
- 12112724
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 43 Tooth - Honda 1350-43AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket robs your Honda ATV of acceleration and top-end performance. The MOOSE OFFROAD 43-tooth aluminum sprocket delivers the gear ratio stability and durability you need for consistent power delivery, whether you're racing or...12112728- SKU:
- 12112728
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - Yamaha 1857-38AL
MOOSE OFFROAD
$39.95A worn or undersized sprocket directly impacts your ATV's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 38-tooth rear sprocket delivers the engineering precision you need to maximize drivetrain efficiency while eliminating the...12112731- SKU:
- 12112731
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 40 Tooth - Yamaha 1857-40AL
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket robs your ATV of efficiency and accelerates chain wear—costing you performance and money in the long run. This MOOSE OFFROAD 40-tooth aluminum sprocket delivers the precision and durability needed for consistent power...12112732- SKU:
- 12112732
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 37 Tooth - Suzuki 801-37AL
MOOSE OFFROAD
$39.95A worn or damaged rear sprocket directly impacts your ATV's acceleration, chain wear, and overall drivetrain efficiency. The MOOSE OFFROAD 37-tooth rear sprocket replaces OEM components with a CNC-machined aluminum design that delivers superior...12112735- SKU:
- 12112735
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
$39.95 -
MOOSE OFFROAD Aluminum Rear Sprocket - 41 Tooth - Yamaha 853-41AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 41-tooth aluminum sprocket delivers the ideal balance of durability and lightweight responsiveness, engineered specifically for Yamaha platforms...12112737- SKU:
- 12112737
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 33 Tooth - Suzuki 801-33AL
MOOSE OFFROAD
$39.95A worn or undersized sprocket robs your ATV of power delivery and accelerates chain wear—costing you money in premature replacements. The MOOSE OFFROAD 33-tooth rear sprocket delivers the precision engineering and material quality you need to maintain...12112733- SKU:
- 12112733
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 35 Tooth - Suzuki 801-35AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 35-tooth aluminum sprocket delivers the durability and precision you need for consistent power delivery across varied terrain, without the weight...12112734- SKU:
- 12112734
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
$39.95 -
JT SPROCKETS Sprocket - Yamaha - Black - 38 Tooth JTA1857.38BLK
JT SPROCKETS
$30.35RaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options12112711- SKU:
- 12112711
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
$30.35 -
Renthal 36-Tooth Ultralight Rear Sprocket for Yamaha 437U-520-36GBSI
RENTHAL
$99.82Unsprung weight directly impacts your Yamaha's acceleration and chassis response—every gram matters on the track or trail. This Renthal ultralight rear sprocket cuts 66% of the mass from your drivetrain while maintaining the durability you need for...12110095- SKU:
- 12110095
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 36
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
$99.82 -
Renthal 37-Tooth Rear Sprocket for Yamaha 520 Chain 437U-520-37GBSI
RENTHAL
$99.82If you're running a high-performance build on your Yamaha, every gram of unsprung weight matters—and this Renthal sprocket delivers a measurable advantage. At 66% lighter than steel alternatives, the 37-tooth design reduces rotational mass while...12110096- SKU:
- 12110096
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
- UNITS:
- EACH
- TYPE:
- DRIVE
- COLOR/FINISH:
- SILVER
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
$99.82 -
Renthal 38-Tooth Ultralight Rear Sprocket for Yamaha 437U-520-38GBSI
RENTHAL
$99.82Reducing unsprung weight is one of the most effective ways to improve acceleration and handling without engine modifications. The Renthal 38-Tooth Ultralight Rear Sprocket cuts weight by approximately 66% compared to steel alternatives, translating to...12110097- SKU:
- 12110097
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- SILVER
- TOOTH COUNT:
- 38
- PRODUCT NAME:
- SPROCKET
$99.82 -
Renthal 39T Ultralight Rear Sprocket for Yamaha YFM250R YFM700R YFZ450 YFZ450X 437U-520-39GBSI
RENTHAL
$99.82Rotational mass directly impacts acceleration and handling—every gram counts when you're pushing performance limits. The Renthal 39T Ultralight Rear Sprocket cuts weight by roughly 66% compared to steel, delivering noticeable improvements in throttle...12110098- SKU:
- 12110098
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ATV
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- TOOTH COUNT:
- 39
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal: -
Renthal Ultralight Rear Sprocket 40T 520 Pitch for Yamaha YFM250R YFM700R YFZ450R 437U-520-40GBSI
RENTHAL
$99.82Reducing unsprung weight on your Yamaha directly improves acceleration response and handling precision—critical factors whether you're racing or pushing your machine to its limits. The Renthal Ultralight Rear Sprocket delivers a 66% weight reduction over...12110099- SKU:
- 12110099
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 40
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SPROCKET
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal:
