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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UFO Chain Slider - KTM 125-525 SX/SXF - Black KT04065-001
UFO
$19.95Protects swingarm from chain wear, Install with stock hardware12310689- SKU:
- 12310689
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN SLIDER
- TYPE:
- SWINGARM
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
$19.95 -
ACERBIS Chain Guide - Honda CR125R/250R CRF250R CRF250X CRF450R CRF450X - Black 2042450001
ACERBIS
$32.95Direct replacement chain guides12310207- SKU:
- 12310207
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$32.95 -
ACERBIS Chain Slider - Kawasaki KX250F/KX450F - Black 2141800001
ACERBIS
$32.95Direct replacement chain sliders, Keeps chain from rubbing on swingarm12310206- SKU:
- 12310206
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
$32.95 -
ACERBIS Chain Guide - Kawasaki KX250F/450F - Black 2141790001
ACERBIS
$32.95Direct replacement chain guides12310205- SKU:
- 12310205
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$32.95 -
ACERBIS Chain Guide - KTM SX/SX-F XC EXC/XCW - Black 2125640001
ACERBIS
$32.95Direct replacement chain guides12310204- SKU:
- 12310204
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$32.95 -
UFO Chain Guide - Yamaha YZ250F/400F/426F/450F - Black YA03871-001
UFO
$24.95Replaces OEM, Long-wearing polyurethane construction12310203- SKU:
- 12310203
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MATERIAL:
- POLYURETHANE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN GUIDE
$24.95 -
UFO Chain Slider - Yamaha YZ250F/450F WR250F/450F - Black YA04806-001
UFO
$19.95Protects swingarm from chain wear, Install with stock hardware12310202- SKU:
- 12310202
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- COLOR/FINISH:
- BLACK
- TYPE:
- SWINGARM
$19.95 -
DID 520 DZ - Connecting Link - Clip 520DZ2-RJ
DID
$3.96Replacement connecting link12250162- SKU:
- 12250162
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN TYPE:
- 520 DZ
- TYPE:
- CLIP
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$3.96 -
DID 520 DZ - Connecting Link - Rivet 520DZ2-ZJ
DID
$3.96Replacement connecting link12250161- SKU:
- 12250161
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- RIVET
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- CHAIN TYPE:
- 520 DZ
$3.96 -
Sunstar 14 Tooth Front Sprocket for 2007-2025 Honda CRF150R 11114
SUNSTAR SPROCKETS
$23.95Upgrade your motorcycle's performance with the SUNSTAR Countershaft Sprocket, designed specifically for Honda models. Crafted from high-grade case-hardened chromoly steel, this sprocket ensures exceptional strength and longevity. With a specialized...12120381- SKU:
- 12120381
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- PARKERIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- CHROMOLY STEEL
- TOOTH COUNT:
- 14
$23.95 -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 50 Tooth JTA460.50BLK
JT SPROCKETS
$40.35Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets or exceeds the highest possible quality...12112654- SKU:
- 12112654
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$40.35 -
JT SPROCKETS Rear Race Sprocket - 45-Tooth JTR897.45SC
JT SPROCKETS
$29.55Computer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets or exceeds the highest possible quality...12102473- SKU:
- 12102473
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- MATERIAL:
- C49 HIGH CARBON STEEL
$29.55 -
JT SPROCKETS Rear Race Sprocket - 40-Tooth JTR897.40SC
JT SPROCKETS
$29.55Computer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets or exceeds the highest possible quality...12102472- SKU:
- 12102472
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- TOOTH COUNT:
- 40
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- C49 HIGH CARBON STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$29.55 -
JT SPROCKETS Rear Race Sprocket - 42-Tooth JTR897.42SC
JT SPROCKETS
$29.55Computer designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets or exceeds the highest possible quality...12102461- SKU:
- 12102461
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- C49 HIGH CARBON STEEL
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$29.55 -
SUPERSPROX Steel Rear Sprocket - 50-Tooth RFE-1512-50-BLK
SUPERSPROX
$59.95Developed on the race track to give longer system life and high performance for street and off-road applications, Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel, Made to Supersprox high quality standards and include our...12101878- SKU:
- 12101878
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$59.95 -
Rekluse TorqDrive Clutch Pack Kawasaki KX250F 2021 RMS-2804140
REKLUSE
$409.00Experience unparalleled performance with the REKLUSE TorqDrive Clutch Pack, designed specifically for the KX250F '21. This innovative clutch solution enhances your riding experience by maximizing torque and minimizing fatigue, allowing you to focus on...11313653- SKU:
- 11313653
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- PRODUCT NAME:
- CLUTCH PACK
- UNITS:
- PACK
- MODEL:
- TORQDRIVE®
- RIDING STYLE:
- OFF-ROAD
$409.00 -
Rekluse TorqDrive Clutch Pack for 2016 Husqvarna TE125 RMS-2813037
REKLUSE
$409.00Experience unparalleled performance with the REKLUSE TorqDrive Clutch Pack, designed to enhance your motorcycle's power and efficiency. This innovative clutch solution integrates seamlessly with your OEM components, allowing for a straightforward...11313652- SKU:
- 11313652
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- UNITS:
- PACK
- PRODUCT NAME:
- CLUTCH PACK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- TORQDRIVE®
$409.00 -
EBC Clutch Set CKF1314
EBC
$121.52Kits have carbon-fiber impregnated friction plates, Tough clutch plates extend engine life, improve drive, increase the heat threshold of the clutch and improve rider feel11313189- SKU:
- 11313189
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- TYPE:
- CLUTCH
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$121.52 -
EBC Clutch Kit CK5612
EBC
$163.43Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and clutch drag, Ideal for general-purpose street/sport/touring bikes, Kit includes complete engine set...11312081- SKU:
- 11312081
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- UNITS:
- SET
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- CK SERIES
$163.43 -
EBC Clutch Kit CK2370
EBC
$50.64Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and clutch drag, Ideal for general-purpose street/sport/touring bikes, Kit includes complete engine set...11312079- SKU:
- 11312079
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- SET
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$50.64
