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!
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- Qty in Cart
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- Price
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Renthal Rear Aluminum Sprocket 50 Tooth for Kawasaki 112U-520-50GEHA
RENTHAL
$103.95Enhance your Kawasaki's performance with the RENTHAL Rear Sprocket, featuring a 50-tooth design crafted from high-strength 7075 T6 aluminum. This sprocket offers a significant weight reduction compared to traditional steel options, improving acceleration...12112769- SKU:
- 12112769
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 51 Tooth for Kawasaki 112U-520-51GEHA
RENTHAL
$103.95Enhance your Kawasaki'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 compared to steel alternatives, improving...12112770- SKU:
- 12112770
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 50 Tooth for Honda CRF250R CRF450R CRF450X 154U-520-50GRHA
RENTHAL
$103.95Enhance your Honda's performance with the Renthal Rear Sprocket, featuring a 50-tooth design crafted from high-strength 7075 T6 aluminum. This sprocket offers a unique combination of style, performance, and exclusivity, making it a standout addition to...12112780- SKU:
- 12112780
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
Renthal Rear Aluminum Sprocket 51 Tooth for Honda CR125R 1983-2007 154U-520-51GRHA
RENTHAL
$103.95Enhance your Honda'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 compared to steel alternatives, ensuring maximum...12112781- SKU:
- 12112781
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
UFO Chain Slider - Green - KX 450 KA04767#026
UFO
$19.95Chain Slider - Green - KX 450 Protects swingarm from chain wear, Install with stock hardware12311704- SKU:
- 12311704
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
REKLUSE RadiusCX 4.0 Clutch - CRF450 RMS-8901102
REKLUSE
$1,499.00RadiusCX 4.0 Clutch - RMS-8901102 Updated EXP assembly enhances performance in high-temperature environments. Redesigned internal wall bases improve strength and rigidity for better lever feel. Friction pads match proprietary design of...11300774- SKU:
- 11300774
- Availability:
- Ships Same Business Day
- Weight:
- 5.69 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch Kit for Honda CRF450X 2019-2025 RMS-8901119
REKLUSE
$1,449.00Introducing the RadiusCX 4.0 Clutch for CRF450X/L/RL, engineered for exceptional performance and reliability. This advanced clutch system features an updated EXP assembly designed to withstand high temperatures while providing a more connected feel for...11300775- SKU:
- 11300775
- Availability:
- Ships Same Business Day
- Weight:
- 5.55 LBS
$1,449.00Qty in Cart: 0Quantity:Price:$1,449.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit for 2024 KTM 250 EXC-F Six Days RMS-8313080
REKLUSE
$1,039.00RadiusX 4.0 Clutch - RMS-8313080 Elevate your riding experience with the RadiusX 4.0 Clutch, engineered for optimal performance and enhanced durability. This clutch is perfect for riders seeking precision and reliability, ensuring a seamless blend of...11300751- SKU:
- 11300751
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
$1,039.00 -
Rekluse RadiusX 4.0 Clutch Kit Honda CRF250R 2022-2025 RMS-8301101
REKLUSE
$949.00Enhance your riding experience with the RadiusX 4.0 Clutch for CRF250R/RX. This cutting-edge clutch system features advanced materials and design improvements that ensure superior performance, durability, and responsiveness. Designed for the modern...11300704- SKU:
- 11300704
- Availability:
- Ships Same Business Day
- Weight:
- 2.93 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki KX450F 2016-2018 RMS-8304046
REKLUSE
$999.00RadiusX 4.0 Clutch - RMS-8304046 Experience unparalleled performance with the RadiusX 4.0 Clutch, designed specifically for riders who demand the best in durability and responsiveness. This cutting-edge clutch combines advanced engineering with...11300718- SKU:
- 11300718
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
$999.00Qty in Cart: 0Quantity:Price:$999.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit for Kawasaki KX250F 2009-2018 RMS-8306060
REKLUSE
$969.00Introducing the RadiusX 4.0 Clutch for Kawasaki and Suzuki motorcycles, engineered for superior performance in high-temperature environments. This advanced clutch system enhances rider experience with improved durability, responsiveness, and power...11300722- SKU:
- 11300722
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
$969.00 -
REKLUSE RadiusX 4.0 Clutch - Yamaha RMS-8307002
REKLUSE
$949.00RadiusX 4.0 Clutch - Yamaha Updated EXP (expanding friction disk) assembly, Base material updated to provide better strength in high temperature environments, critical for the heat clutch systems create, Internal wall bases redesigned for strength and...11300729- SKU:
- 11300729
- Availability:
- Ships Same Business Day
- Weight:
- 2.67 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch KTM 250 EXC 2006-2012 RMS-8313031
REKLUSE
$999.00RadiusX 4.0 Clutch - RMS-8313031 Experience unmatched performance with the RadiusX 4.0 Clutch, designed specifically for riders who demand durability and responsiveness. This clutch upgrade transforms your Husaberg or KTM motorcycle, delivering smoother...11300744- SKU:
- 11300744
- Availability:
- Ships Same Business Day
- Weight:
- 3.08 LBS
$999.00Qty in Cart: 0Quantity:Price:$999.00Subtotal: -
Rekluse RadiusX 4.0 Clutch KTM 250 EXC 2017-2019 RMS-8313186
REKLUSE
$1,039.00RadiusX 4.0 Clutch - RMS-8313186 Unlock your motorcycle's full potential with the RadiusX 4.0 Clutch, engineered for superior performance and reliability. Tailored for Gas Gas, Husqvarna, and KTM models, this clutch delivers exceptional engagement and...11300758- SKU:
- 11300758
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
$1,039.00 -
Rekluse RadiusCX 4.0 Clutch Honda CRF450R 2022-2024 RMS-8901002
REKLUSE
$1,449.00Introducing the RadiusCX 4.0 Clutch for the CRF450, engineered for optimal performance and durability in high-temperature environments. This upgraded EXP assembly features advanced materials and designs that enhance rider experience through improved feel...11300762- SKU:
- 11300762
- Availability:
- Ships Same Business Day
- Weight:
- 5.63 LBS
$1,449.00Qty in Cart: 0Quantity:Price:$1,449.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch Kit Honda CRF450R 2021-2025 RMS-8901102
REKLUSE
$1,449.00The RadiusCX 4.0 Clutch for the CRF450R/RX is engineered for superior performance in high-temperature environments, enhancing both durability and rider experience. With innovative design updates, this clutch system offers a more connected lever feel and...11300763- SKU:
- 11300763
- Availability:
- Ships Same Business Day
- Weight:
- 5.66 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 450 SX-F 2023-2024 RMS-8913086
REKLUSE
$1,499.00RadiusCX 4.0 Clutch - RMS-8913086 Unlock unparalleled performance with the RadiusCX 4.0 Clutch, engineered for Husaberg, Husqvarna, and KTM motorcycles. This cutting-edge clutch system enhances durability and provides a more responsive feel, ensuring...11300815- SKU:
- 11300815
- Availability:
- Ships Same Business Day
- Weight:
- 4.66 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch for 2024 KTM 250 EXC-F Six Days RMS-8913092
REKLUSE
$1,499.00Introducing the RadiusCX 4.0 Clutch for Husqvarna and KTM, engineered for superior performance and reliability under extreme conditions. This advanced clutch system features an updated EXP assembly that enhances strength and responsiveness, ensuring an...11300818- SKU:
- 11300818
- Availability:
- Ships Same Business Day
- Weight:
- 4.76 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
PROX Friction Plate Set - KX450F/X 16.S44043
PROX
$119.95Friction Plate Set - KX450F/X Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction plates for the application you need, allowing for an...11313922- SKU:
- 11313922
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
$119.95 -
PROX Friction Plate Set - Gas Gas/Husqvarna/KTM 16.S51018
PROX
$79.95Friction Plate Set - Gas Gas/Husqvarna/KTM Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction plates for the application you need,...11313923- SKU:
- 11313923
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$79.95
