Dirt Bike Drivetrain
Dirt Bike Drivetrain Parts at JJ Motorsports
Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.
Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
SUPERSPROX Stealth Rear Sprocket - 49-Tooth - Red - Beta RST-1512-49-RED
SUPERSPROX
$119.95If you're running a high-displacement bike and tired of replacing sprockets every season, the SUPERSPROX Stealth delivers the durability you need without the weight penalty. Steel teeth engineered to...12101953- SKU:
- 12101953
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 48-Tooth - Blue - Yamaha RST-245-48-BLU
SUPERSPROX
$109.95If you're running a 1400cc+ machine and tired of replacing sprockets every season, the SUPERSPROX Stealth delivers the durability of steel with the weight savings of aluminum. The steel teeth last 4x...12101985- SKU:
- 12101985
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 50-Tooth - Blue - Yamaha RST-245-50-BLU
SUPERSPROX
$109.95If you're running a high-displacement machine, sprocket wear directly impacts your power delivery and acceleration response. The Supersprox Stealth 50-tooth rear sprocket delivers steel-tooth...12101987- SKU:
- 12101987
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$109.95 -
SUPERSPROX Stealth Rear Sprocket - 51-Tooth - Blue - Yamaha RST-245-51-BLU
SUPERSPROX
$119.95If you're running a high-displacement sportbike, sprocket wear directly impacts acceleration response and chain longevity. The SUPERSPROX Stealth rear sprocket combines steel teeth that outlast...12101988- SKU:
- 12101988
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 48-Tooth - Black - Yamaha RST-245-48-BLK
SUPERSPROX
$119.95If you're pushing your Yamaha RST-245 hard on the track or street, sprocket wear will eventually limit your bike's potential. The Supersprox Stealth rear sprocket delivers steel-tooth durability...12101989- SKU:
- 12101989
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 50-Tooth - Black - Yamaha RST-245-50-BLK
SUPERSPROX
$109.95If you're running high-mileage track days or competitive racing on your Yamaha, sprocket wear directly impacts acceleration response and power delivery. The Supersprox Stealth combines steel teeth...12101991- SKU:
- 12101991
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 50-Tooth - Gold - Kawasaki RST-460-50-GLD
SUPERSPROX
$119.95If you're running a high-displacement Kawasaki and want sprocket longevity without the weight penalty, the Supersprox Stealth 50-tooth rear sprocket delivers steel-tooth durability in a lightweight...12101999- SKU:
- 12101999
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$119.95 -
SUPERSPROX Stealth Rear Sprocket - 51-Tooth - Gold - Kawasaki RST-460-51-GLD
SUPERSPROX
$119.95If you're running a high-displacement Kawasaki and tired of replacing rear sprockets every season, the SUPERSPROX Stealth offers a real solution: steel teeth that outlast aluminum by 4x while keeping...12102000- SKU:
- 12102000
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 47-Tooth - Red - Beta RST-8000-47-RED
SUPERSPROX
$109.95If you're serious about reliability without sacrificing weight, the SUPERSPROX Stealth rear sprocket delivers the durability of steel teeth with the lightweight advantage of an aluminum core—a...12102035- SKU:
- 12102035
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 47
- COLOR/FINISH:
- RED
- CHAIN SIZE:
- 525
- MATERIAL:
- STEEL
- UNITS:
- EACH
- COLOR/FINISH:
- STEALTH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 49-Tooth - Gold - Kawasaki RST-808-49-GLD
SUPERSPROX
$119.95If you're running a high-displacement machine, sprocket wear directly impacts power delivery and chain longevity. The SUPERSPROX Stealth Rear Sprocket combines a lightweight aluminum core with...12102044- SKU:
- 12102044
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$119.95 -
SUPERSPROX Stealth Rear Sprocket - 45-Tooth - Gold - Husaberg RST-990-45-GLD
SUPERSPROX
$109.95If you're running a high-displacement bike and tired of replacing sprockets every season, the SUPERSPROX Stealth rear sprocket delivers the durability of steel without the weight penalty. By...12102054- SKU:
- 12102054
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- COLOR/FINISH:
- GOLD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$109.95 -
SUPERSPROX Stealth Rear Sprocket - 53-Tooth - Gold - Husaberg RST-990-53-GLD
SUPERSPROX
$109.95If you're running a high-displacement bike and tired of replacing sprockets every season, the SUPERSPROX Stealth 53-tooth rear sprocket delivers the durability you need without the weight penalty...12102061- SKU:
- 12102061
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- COLOR/FINISH:
- GOLD
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- TYPE:
- REAR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 52-Tooth - Orange - Husaberg RST-990-52-ORG
SUPERSPROX
$109.95If you're running a high-displacement bike and need a sprocket that won't wear out in a season, the SUPERSPROX Stealth delivers the durability of steel teeth with weight savings that rival...12102066- SKU:
- 12102066
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 52
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- STEALTH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
$109.95 -
SUPERSPROX Stealth Rear Sprocket - 48-Tooth - Blue - Husaberg RST-990-48-BLU
SUPERSPROX
$109.95If you're running a high-displacement bike and tired of replacing sprockets every season, the SUPERSPROX Stealth Rear Sprocket cuts maintenance intervals dramatically while keeping rotational mass to...12102067- SKU:
- 12102067
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- STEALTH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 49-Tooth - Blue - Husaberg RST-990-49-BLU
SUPERSPROX
$109.95If you're running a high-displacement Husaberg and want sprocket longevity without the weight penalty, the SUPERSPROX Stealth 49-tooth rear sprocket delivers a proven solution. Steel teeth engineered...12102068- SKU:
- 12102068
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 52-Tooth - Blue - Husaberg RST-990-52-BLU
SUPERSPROX
$109.95If you're running a high-displacement Husaberg and want sprocket durability without the weight penalty, the SUPERSPROX Stealth delivers a rare combination: steel teeth that outlast aluminum by 4x,...12102071- SKU:
- 12102071
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 52
- MATERIAL:
- STEEL
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- STEALTH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
SUPERSPROX Stealth Rear Sprocket - 49-Tooth - Black - Husaberg RST-990-49-BLK
SUPERSPROX
$119.95If you're running a high-displacement bike and demand sprocket longevity without the weight penalty, the SUPERSPROX Stealth delivers exactly that. The hybrid steel-tooth construction outlasts...12102072- SKU:
- 12102072
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- STEALTH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
SUPERSPROX Rear Sprocket - Black - Honda - 50-Tooth RAL21050BLK
SUPERSPROX
$69.95A lightweight rear sprocket directly impacts acceleration, handling, and overall drivetrain efficiency—especially in racing applications where rotational mass matters. The SUPERSPROX 50-tooth...12111928- SKU:
- 12111928
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MODEL:
- ALUMINUM
- UNITS:
- EACH
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
SUPERSPROX Rear Sprocket - Black - Kawasaki - 50-Tooth RAL-460-50-BLK
SUPERSPROX
$69.95A lightweight rear sprocket is one of the most effective upgrades for improving acceleration and reducing unsprung mass on your Kawasaki. The SUPERSPROX 50-tooth sprocket delivers the strength of...12111945- SKU:
- 12111945
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MODEL:
- ALUMINUM
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
$69.95 -
SUPERSPROX Rear Sprocket - Black - Kawasaki - 51-Tooth RAL-460-51-BLK
SUPERSPROX
$69.95A worn or stock sprocket directly impacts your power delivery, acceleration response, and chain longevity. The SUPERSPROX Rear Sprocket delivers measurable gains in durability and performance through...12111946- SKU:
- 12111946
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- MODEL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 51
$69.95
