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
-
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 -
On Sale
Sunstar Rear Sprocket 40T Yamaha YZ400F 1998 5-367940
SUNSTAR SPROCKETS
MSRP: $71.95Now: $52.00Was: $71.95A quality rear sprocket is fundamental to your YZ400F's acceleration, top-end speed, and overall drivetrain efficiency. The SUNSTAR 40T delivers measurable performance gains through precision engineering and aerospace-grade materials that reduce unsprung...5367940- SKU:
- 5367940
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- WORKS/GOLD
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- TOOTH COUNT:
- 40
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
MSRP: $71.95Now: $52.00Was: $71.95 -
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: -
Renthal 42-Tooth Rear Sprocket for Yamaha 520 Chain 130U-520-42GBSI
RENTHAL
$99.82Shaving rotational mass off your rear sprocket directly improves acceleration and throttle response—especially critical if you're pushing your Yamaha hard on the track or trail. The Renthal 42-tooth sprocket delivers a 66% weight reduction over steel...R13042- SKU:
- R13042
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- SILVER
- TOOTH COUNT:
- 42
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal 37-Tooth Ultralight Rear Sprocket for Honda 223U-520-37GPSI
RENTHAL
$99.82If you're running a Honda ATV in competitive or demanding terrain, sprocket weight directly impacts your machine's acceleration, handling response, and overall agility. The Renthal 37-Tooth Ultralight Rear Sprocket strips approximately 66% of the mass...R22337- SKU:
- R22337
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- TYPE:
- DRIVE
- RIDING STYLE:
- ATV
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
$99.82 -
Renthal Ultralight Rear Sprocket 39T 520 Chain Silver 223U-520-39GPSI
RENTHAL
$99.82Shaving 66% off your sprocket weight directly improves acceleration response and handling dynamics—critical advantages whether you're racing or pushing your Honda hard on the trail. The 7075-T6 aluminum construction delivers the strength of steel without...R22339- SKU:
- R22339
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 39
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- 7075-T6 ALUMINUM
$99.82 -
Renthal 40-Tooth Rear Sprocket for Yamaha 130U-520 Chain 130U-520-40GBSI
RENTHAL
$99.82If you're running a Yamaha with a 520 chain, sprocket weight directly impacts acceleration and overall bike handling—and this Renthal 40-tooth rear sprocket delivers measurable gains. At 66% lighter than steel alternatives, the 7075-T6 aluminum...R13040- SKU:
- R13040
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 40
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$99.82 -
Renthal 41-Tooth Ultralight Rear Sprocket for Yamaha 130U-520-41GBSI
RENTHAL
$99.82Rotational mass directly impacts throttle response and handling—every gram counts on the track or trail. The Renthal 41-Tooth Ultralight Rear Sprocket cuts weight by 66% compared to steel while maintaining the strength needed for hard acceleration and...R13041- SKU:
- R13041
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 41
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
- TYPE:
- DRIVE
- UNITS:
- EACH
$99.82 -
Renthal Ultralight Rear Sprocket 36T 520 Chain Honda TRX250R TRX300EX TRX450R 223U-520-36GPSI
RENTHAL
$99.82If you're running your Honda TRX on the track or trail, sprocket weight directly impacts your acceleration and overall handling—and this Renthal Ultralight cuts 66% of the mass compared to steel without sacrificing durability. The 7075-T6 aluminum...R22336- SKU:
- R22336
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 36
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$99.82 -
Renthal 38T Ultralight Rear Sprocket for Honda ATC TRX 223U-520-38GPSI
RENTHAL
$99.82Rotational mass is the enemy of acceleration and handling—especially on competitive ATVs where every tenth of a second counts. The Renthal 38T Ultralight Rear Sprocket cuts that mass by 66% compared to steel, translating directly to sharper throttle...R22338- SKU:
- R22338
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- COLOR/FINISH:
- SILVER
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
$99.82 -
Renthal 40-Tooth Ultralight Rear Sprocket for Kawasaki and Suzuki 203U-520-40GPSI
RENTHAL
$99.82Shaving 66% of the weight from your rear sprocket directly improves acceleration, reduces unsprung mass, and enhances your bike's handling characteristics—critical advantages whether you're racing or pushing hard on your favorite roads. The 7075-T6...R20340- SKU:
- R20340
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 40
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal:
