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
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JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF1559.14
JT SPROCKETS
$8.13A properly sized counter shaft sprocket is critical to your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT 14-tooth sprocket delivers the precision engineering and durability demanded by racers and serious enthusiasts who...JTF155914- SKU:
- JTF155914
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- MODEL:
- YAMAHA
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$8.13 -
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF1590.12
JT SPROCKETS
$12.15Precision matters when you're chasing lap times or building a reliable race engine. The JT Sprockets Counter Shaft Sprocket delivers the strength and durability required for high-RPM applications without adding unnecessary weight to your drivetrain...JTF159012- SKU:
- JTF159012
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- YAMAHA
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
$12.15 -
JT SPROCKETS Counter Shaft Sprocket - 15-Tooth JTF1902.15
JT SPROCKETS
$17.08A high-performance counter shaft sprocket must deliver reliable power transfer without adding unnecessary weight to your drivetrain. The JT Sprockets 15-Tooth Counter Shaft Sprocket combines precision engineering with proven materials to give you the...JTF190215- SKU:
- JTF190215
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MODEL:
- KTM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 15
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$17.08 -
JT SPROCKETS Counter Shaft Sprocket - 16-Tooth JTF1902.16
JT SPROCKETS
$18.13A worn or incorrect front sprocket directly impacts your power delivery, throttle response, and overall drivetrain efficiency. The JT Sprockets 16-Tooth Counter Shaft Sprocket delivers the precision engineering and material quality necessary for reliable...JTF190216- SKU:
- JTF190216
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$18.13 -
JT SPROCKETS Counter Shaft Sprocket - 17-Tooth JTF1902.17
JT SPROCKETS
$19.13A properly sized counter shaft sprocket is critical to your bike's acceleration, top-end speed, and overall powerband delivery. The JT Sprockets 17-tooth counter shaft sprocket delivers the precision and durability you need to maintain consistent gearing...JTF190217- SKU:
- JTF190217
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 17
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- MODEL:
- KTM
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$19.13 -
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF252.12
JT SPROCKETS
$6.53A lightweight front sprocket is essential for optimizing your bike's acceleration and overall drivetrain efficiency. The JT Sprockets 12-tooth counter shaft sprocket delivers the precise geometry and material integrity required for high-demand racing and...JTF25212- SKU:
- JTF25212
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- MODEL:
- HONDA
- TOOTH COUNT:
- 12
$6.53 -
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF326.12
JT SPROCKETS
$13.05A counter shaft sprocket is fundamental to your drivetrain's efficiency and power delivery. The JT Sprockets 12-tooth design optimizes gear ratios for aggressive acceleration and precise throttle response across a wide RPM range. Computer-optimized tooth...JTF32612- SKU:
- JTF32612
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 12
- UNITS:
- EACH
$13.05 -
JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF326.13
JT SPROCKETS
$13.05A properly sized counter shaft sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 13-tooth counter shaft sprocket delivers the strength-to-weight ratio demanded by racers and...JTF32613- SKU:
- JTF32613
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- TOOTH COUNT:
- 13
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$13.05 -
JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF326.14
JT SPROCKETS
$13.80A properly sized counter shaft sprocket is critical for optimizing your bike's power delivery and acceleration characteristics. The JT Sprockets 14-tooth sprocket delivers the precision engineering and durability required for high-RPM racing environments...JTF32614- SKU:
- JTF32614
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- CHAIN SIZE:
- 520
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MODEL:
- HONDA
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- TOOTH COUNT:
- 14
$13.80 -
JT SPROCKETS Sprocket - Rear - Yamaha - 40-Tooth JTR853.40
JT SPROCKETS
$23.53A properly matched rear sprocket is fundamental to your bike's acceleration, top speed, and overall driveability—and cheap alternatives will cost you in wear rates and reliability. The JT Sprockets 40-tooth rear sprocket delivers the precision...JTR85340- SKU:
- JTR85340
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- PRODUCT NAME:
- SPROCKET
$23.53 -
EBC Clutch Kit CK5594
EBC
$53.97A clutch kit lives at the intersection of reliability and feel—and the EBC Clutch Kit CK5594 delivers on both fronts. The cork-based friction material with aluminum particle impregnation resists heat buildup and extends service life, making it a solid...CK5594- SKU:
- CK5594
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
- UNITS:
- SET
- MODEL:
- CK SERIES
- RIDING STYLE:
- OFF-ROAD
$53.97 -
EBC Clutch Kit CK5595
EBC
$111.07If your clutch is slipping under acceleration or showing signs of wear, the EBC Clutch Kit CK5595 delivers the friction and durability you need to restore reliable power transfer. The cork-based friction material with aluminum particle reinforcement...CK5595- SKU:
- CK5595
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- SET
- TYPE:
- FRICTION PLATE SET
- MODEL:
- CK SERIES
- RIDING STYLE:
- OFF-ROAD
$111.07 -
EBC Clutch Kit CK2278
EBC
$72.33A worn or slipping clutch forces you to choose between compromised performance and an expensive rebuild—this EBC Clutch Kit eliminates that dilemma. The cork-based friction material impregnated with aluminum particles delivers extended wear life and...CK2278- SKU:
- CK2278
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- SET
- TYPE:
- FRICTION PLATE SET
- MODEL:
- CK SERIES
- RIDING STYLE:
- OFF-ROAD
$72.33 -
EBC Clutch Kit CK1304
EBC
$96.29If your clutch is slipping under acceleration or showing signs of wear, the EBC Clutch Kit CK1304 delivers the friction and heat resistance you need to restore reliable engagement across street, sport, and touring applications. The aluminum-impregnated...11310360- SKU:
- 11310360
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- TYPE:
- FRICTION PLATE SET
- UNITS:
- SET
- MODEL:
- CK SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
$96.29 -
EBC Clutch Kit CK4514
EBC
$96.29A worn or slipping clutch robs your bike of power delivery and responsiveness when you need it most. The EBC Clutch Kit CK4514 delivers consistent engagement and superior heat dissipation through advanced cork-composite friction material, ensuring...11310361- SKU:
- 11310361
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- TYPE:
- FRICTION PLATE SET
- UNITS:
- SET
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
$96.29 -
EBC Clutch Kit CK1317
EBC
$122.37The EBC Clutch Kit CK1317 delivers the wear resistance and heat tolerance your bike demands, whether you're commuting daily or pushing harder on weekend rides. Cork-based friction material impregnated with aluminum particles ensures consistent engagement...11313182- SKU:
- 11313182
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- TYPE:
- FRICTION PLATE SET
- UNITS:
- SET
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- CK SERIES
$122.37 -
EBC Clutch Springs CSK227
EBC
$32.59Worn clutch springs compromise engagement consistency and increase the risk of slippage under load—a critical failure point in high-performance applications. EBC Clutch Springs CSK227 deliver 10% stiffer spring rates than OEM specifications, ensuring...11313184- SKU:
- 11313184
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- CSK SERIES
- UNITS:
- SET
- STYLE:
- COIL SPRING
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- SPRING MATERIAL:
- STEEL
$32.59Qty in Cart: 0Quantity:Price:$32.59Subtotal: -
EBC Clutch Kit DRC299
EBC
$231.62If you're running a high-revving engine or frequently power-shifting, stock clutch components will leave you stranded. The EBC Clutch Kit DRC299 delivers the durability and modulation you need for aggressive driving without the unpredictable bite of...11313185- SKU:
- 11313185
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$231.62 -
EBC Clutch Kit DRCF299
EBC
$294.05If you're pushing your engine to its limits on the track or in high-torque applications, a stock clutch won't cut it. The EBC Clutch Kit DRCF299 is purpose-built for hard use, delivering the holding power and durability needed when every shift counts...11313186- SKU:
- 11313186
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
$294.05 -
EBC Clutch Kit DRC139
EBC
$149.52If you're running a high-revving engine or pushing your clutch to the limit, a marginal clutch setup will cost you consistency and reliability. The EBC DRC139 delivers the durability and modulation control you need for demanding track work or spirited...11311296- SKU:
- 11311296
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
$149.52
