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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EBC Clutch Kit DRCF79
EBC
$265.47If you're pushing your engine to its limits—whether on track or in high-torque street applications—a stock clutch won't cut it. The EBC Clutch Kit DRCF79 delivers the holding power and thermal...11311960- SKU:
- 11311960
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
$265.47 -
EBC Clutch Kit DRC45
EBC
$111.94If you're running a high-revving engine or pushing power through a manual transmission, a worn or marginal clutch becomes your limiting factor. The EBC Clutch Kit DRC45 delivers the durability and...DRC45- SKU:
- DRC45
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
$111.94Qty in Cart: 0Quantity:Price:$111.94Subtotal: -
EBC Clutch Kit DRC98
EBC
$82.78If you're running a high-revving engine or pushing your clutch through repeated heat cycles, a worn or marginal clutch becomes your weak link. The EBC Clutch Kit DRC98 delivers the durability and...DRC98- SKU:
- DRC98
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
$82.78 -
EBC Clutch Kit DRC277
EBC
$155.88If you're running a high-revving engine or pushing your bike hard on the track, a stock clutch won't cut it. The EBC Clutch Kit DRC277 delivers the holding power and durability you need to handle...11312983- SKU:
- 11312983
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
$155.88 -
EBC Clutch Kit DRC91
EBC
$73.20If your clutch is slipping under load or grabbing inconsistently, the EBC Clutch Kit DRC91 delivers the modulation and durability you need for reliable power delivery. Built with anti-swell,...DRC91- SKU:
- DRC91
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$73.20 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD130442GLD
SUPERSPROX
$9.95Traditional stamped steel sprockets flex under load, robbing you of power transfer efficiency and requiring frequent replacement. The SUPERSPROX Edge Rear Sprocket Insert upgrades your drivetrain...12102331- SKU:
- 12102331
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$9.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD130443GLD
SUPERSPROX
$10.95A worn or damaged rear sprocket insert forces you to replace your entire sprocket assembly—an expensive and time-consuming fix. The SUPERSPROX Edge Rear Sprocket Insert upgrades your existing setup...12102332- SKU:
- 12102332
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GOLD
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- PRODUCT NAME:
- INSERT
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD48043GLD
SUPERSPROX
$10.95A worn or damaged rear sprocket compromises your drivetrain's efficiency and can introduce noise and vibration throughout your entire system. The SUPERSPROX Edge Rear Sprocket Insert elevates beyond...12102355- SKU:
- 12102355
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- EDGE REAR
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Blue RACD48045BLU
SUPERSPROX
$10.95A worn or damaged rear sprocket insert compromises your chain alignment and acceleration response—two non-negotiables for track performance or reliable street duty. The SUPERSPROX Edge Rear Sprocket...12102356- SKU:
- 12102356
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Green RACD48641GRN
SUPERSPROX
$10.95Traditional stamped steel sprockets flex under load and wear unevenly, robbing you of chain longevity and power delivery consistency. The SUPERSPROX Edge Rear Sprocket Insert upgrades your drivetrain...12102359- SKU:
- 12102359
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- INSERT
$10.95 -
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD48642GLD
SUPERSPROX
$10.95A worn or damaged rear sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain reliability. The SUPERSPROX Edge Rear Sprocket Insert replaces the stamped steel...12102360- SKU:
- 12102360
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- RIDING STYLE:
- STREET
$10.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-430-14-1
SUPERSPROX
$24.95A worn or undersized countershaft sprocket kills acceleration and wastes power through chain drag and slippage. The SUPERSPROX 14-tooth CST-430-14-1 delivers factory-team durability with a hardened...12121371- SKU:
- 12121371
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- TOOTH COUNT:
- 14
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-432-13-1
SUPERSPROX
$24.95A countershaft sprocket is only as good as its durability and efficiency—and this SUPERSPROX 13-tooth delivers both. Built from SCM-435 carbon-free steel with an impregnated surface that resists wear...12121372- SKU:
- 12121372
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
$24.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-432-14-1
SUPERSPROX
$24.95If you're running a countershaft sprocket that's holding back your power delivery, a worn or poorly designed unit is costing you acceleration and chain life. The SUPERSPROX 14-Tooth Countershaft...12121373- SKU:
- 12121373
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 14
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$24.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1322-14-2
SUPERSPROX
$24.95If you're running a countershaft sprocket that's holding back your power delivery, you're losing performance where it counts most—at the point where engine torque meets the chain. The SUPERSPROX...12121322- SKU:
- 12121322
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 14
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
SUPERSPROX Countershaft Sprocket - 16-Tooth CST-1370-16-2
SUPERSPROX
$29.95A countershaft sprocket is the foundation of reliable power delivery to your chain—any weakness here compromises acceleration, top speed, and overall drivetrain efficiency. The SUPERSPROX 16-tooth...12121327- SKU:
- 12121327
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CHAIN SIZE:
- 525
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$29.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1442-14-1
SUPERSPROX
$24.95If you're running a countershaft sprocket that can't keep pace with your power delivery, you're leaving performance on the table—and risking premature wear that sidelines your bike. The SUPERSPROX...12121330- SKU:
- 12121330
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- TOOTH COUNT:
- 14
$24.95 -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1443-13-1
SUPERSPROX
$29.95Countershaft sprockets endure constant stress from engine torque and chain tension, making durability non-negotiable for reliable acceleration and consistent power delivery. The SUPERSPROX 13-tooth...12121331- SKU:
- 12121331
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 520
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 13
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
SUPERSPROX Steel Rear Sprocket - 51-Tooth RFE-245-51-BLK
SUPERSPROX
$49.95A rear sprocket is critical to your drivetrain's efficiency, acceleration, and overall performance. This SUPERSPROX steel sprocket delivers race-proven durability without the weight penalty of...12101894- SKU:
- 12101894
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$49.95 -
SUPERSPROX Steel Rear Sprocket - 52-Tooth RFE-245-52-BLK
SUPERSPROX
$49.95A worn or mismatched rear sprocket kills acceleration, increases drivetrain wear, and forces your engine to work harder than necessary. The SUPERSPROX 52-tooth steel sprocket delivers precise...12101895- SKU:
- 12101895
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MATERIAL:
- STEEL
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$49.95
