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
-
On Sale
HOT RODS Transmission Bearings Kit TBK0009
HOT RODS
MSRP: $131.95Now: $118.76Was: $131.95A must have for any new transmission or engine case installation or repair, Includes trusted Hot Rods’ bearings for the primary and secondary shafts of the transmission, along with the special needle bearing for the shift drum, and the output shaft...11060154- SKU:
- 11060154
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
MSRP: $131.95Now: $118.76Was: $131.95 -
ACERBIS Chain Guide - Honda CR125R/250R - Black 2071519999
ACERBIS
$32.95Direct replacement chain guides12310212- SKU:
- 12310212
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
ACERBIS Chain Guide - Kawasaki KX125/250 - Black 2071529999
ACERBIS
$32.95Direct replacement chain guides12310213- SKU:
- 12310213
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
$32.95 -
ACERBIS Chain Slider - Honda CR125R/250R CRF250R CRF250X CRF450R CRF450X - Black 2071539999
ACERBIS
$32.95Direct replacement chain sliders, Keeps chain from rubbing on swingarm12310214- SKU:
- 12310214
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$32.95 -
ACERBIS Chain Guide - Honda CR125R/250R CRF250R CRF250X CRF450R - Black 2071549999
ACERBIS
$32.95Direct replacement chain guides12310215- SKU:
- 12310215
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$32.95 -
ACERBIS Chain Slider - KTM SX/SX-F/XC/XC-W/EXC - Black 2113800001
ACERBIS
$32.95Direct replacement chain sliders, Keeps chain from rubbing on swingarm12310216- SKU:
- 12310216
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHAIN SLIDER
- UNITS:
- EACH
$32.95 -
ACERBIS Chain Slider - Honda CRF250R/CRF450R - Black 2160240001
ACERBIS
$32.95Direct replacement chain sliders, Keeps chain from rubbing on swingarm12310271- SKU:
- 12310271
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- CHAIN SLIDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
On Sale
HOT RODS Transmission Bearings Kit TBK0035
HOT RODS
MSRP: $133.95Now: $120.56Was: $133.95A must have for any new transmission or engine case installation or repair, Includes trusted Hot Rods’ bearings for the primary and secondary shafts of the transmission, along with the special needle bearing for the shift drum, and the output shaft...11060121- SKU:
- 11060121
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
MSRP: $133.95Now: $120.56Was: $133.95 -
On Sale
HOT RODS Transmission Bearings Kit TBK0037
HOT RODS
MSRP: $107.95Now: $97.16Was: $107.95A must have for any new transmission or engine case installation or repair, Includes trusted Hot Rods’ bearings for the primary and secondary shafts of the transmission, along with the special needle bearing for the shift drum, and the output shaft...11060123- SKU:
- 11060123
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $107.95Now: $97.16Was: $107.95Qty in Cart: 0Quantity:Price:MSRP: $107.95Now: $97.16Was: $107.95Subtotal: -
JT SPROCKETS Rear Sprocket - 47-Tooth - Honda JTR210.47SC
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...12102434- SKU:
- 12102434
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 47
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
$29.55 -
JT SPROCKETS Rear Sprocket - 52-Tooth - Honda JTR210.52SC
JT SPROCKETS
$32.98Computer 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...12102439- SKU:
- 12102439
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 53-Tooth - Honda JTR210.53SC
JT SPROCKETS
$32.98Computer 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...12102440- SKU:
- 12102440
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 53
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Yamaha JTR251.48SC
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...12102441- SKU:
- 12102441
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- MATERIAL:
- STEEL
$29.55 -
JT SPROCKETS Sprocket - Rear - KTM - 50-Tooth JTR894.50
JT SPROCKETS
$20.78Computer 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...12100662- SKU:
- 12100662
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$20.78 -
JT SPROCKETS Sprocket - Rear - KTM - 49-Tooth JTR895.49
JT SPROCKETS
$23.63Computer 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...12100664- SKU:
- 12100664
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- CHAIN SIZE:
- 428
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$23.63 -
JT SPROCKETS Sprocket - Rear - KTM - 45-Tooth JTR899.45
JT SPROCKETS
$38.38Computer-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...12100668- SKU:
- 12100668
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- CHAIN SIZE:
- 525
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
$38.38 -
JT SPROCKETS Sprocket - Rear - Honda - 40-Tooth JTR284.40
JT SPROCKETS
$37.33Computer-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...JTR28440- SKU:
- JTR28440
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 40
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
$37.33 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 47-Tooth JTR1465.47
JT SPROCKETS
$20.38Computer 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...JTR146547- SKU:
- JTR146547
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 47
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$20.38 -
JT SPROCKETS Rear Sprocket - Honda - Black - 52 Tooth JTA210.52BLK
JT SPROCKETS
$42.53Computer-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...12112645- SKU:
- 12112645
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- UNITS:
- EACH
$42.53 -
JT SPROCKETS Rear Sprocket - Honda - Black - 53 Tooth JTA210.53BLK
JT SPROCKETS
$44.03Computer-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...12112646- SKU:
- 12112646
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 53
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$44.03
