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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HOT RODS Transmission Bearing Kit TBK0116
HOT RODS
$45.95A complete transmission rebuild demands precision-engineered bearings that can withstand the constant stress of power transfer and rotational forces. The HOT RODS Transmission Bearing Kit TBK0116 delivers the critical internal components needed for...11060202- SKU:
- 11060202
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$45.95 -
HOT RODS Transmission Bearings Kit TBK0023
HOT RODS
$151.95A transmission rebuild demands precision bearings that can withstand sustained load and high RPM cycles—this kit delivers exactly that. The HOT RODS Transmission Bearings Kit TBK0023 eliminates guesswork by bundling all critical shaft and drum bearings...11060111- SKU:
- 11060111
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$151.95Qty in Cart: 0Quantity:Price:$151.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0025
HOT RODS
$151.95A complete bearing refresh is essential when rebuilding or servicing a transmission—worn or damaged bearings accelerate wear across all rotating components and compromise shift quality and durability. The HOT RODS Transmission Bearings Kit TBK0025...11060113- SKU:
- 11060113
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING KIT
$151.95Qty in Cart: 0Quantity:Price:$151.95Subtotal: -
On Sale
EBC Clutch Kit DRC73
EBC
MSRP: $150.21Now: $142.70Was: $150.21Anti-swell, alloy-impregnated heavy-duty cork-based facings for smooth clutch take-up, Allow modulation, unlike paper clutches that tend to snatch, Complete engine set of friction plates, HD springs and steel separator plates prevent premature driven...DRC73- SKU:
- DRC73
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
MSRP: $150.21Now: $142.70Was: $150.21Qty in Cart: 0Quantity:Price:MSRP: $150.21Now: $142.70Was: $150.21Subtotal: -
HOT RODS Transmission Bearings Kit TBK0048
HOT RODS
$105.95Whether you're rebuilding a transmission from the ground up or performing a full engine case overhaul, worn or damaged bearings will compromise shift quality, create internal wear, and lead to premature failure. The HOT RODS Transmission Bearings Kit...11060131- SKU:
- 11060131
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0064
HOT RODS
$159.95A complete transmission bearing refresh is essential when rebuilding or installing a new transmission—worn or missing bearings will compromise shift quality and accelerate wear on shafts and gears. The HOT RODS Transmission Bearings Kit TBK0064 provides...11060143- SKU:
- 11060143
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$159.95 -
HOT RODS Transmission Bearings Kit TBK0063
HOT RODS
$159.95A transmission rebuild demands precision-engineered bearings that can withstand the punishing forces of gear engagement and power transfer. The HOT RODS Transmission Bearings Kit TBK0063 consolidates all critical bearing components into one complete...11060142- SKU:
- 11060142
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$159.95 -
On Sale
JT SPROCKETS Sprocket - Rear - Yamaha - 48-Tooth JTR1847.48
JT SPROCKETS
MSRP: $32.10Now: $28.57Was: $32.10A worn or incorrect rear sprocket directly impacts your acceleration, top-end speed, and drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket for Yamaha delivers computer-optimized tooth geometry and premium C45 high-carbon steel construction...12100628- SKU:
- 12100628
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $32.10Now: $28.57Was: $32.10 -
On Sale
JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF1446.14SC
JT SPROCKETS
MSRP: $17.53Now: $15.60Was: $17.53Computer-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...12120509- SKU:
- 12120509
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MODEL:
- KAWASAKI
- TOOTH COUNT:
- 14
MSRP: $17.53Now: $15.60Was: $17.53 -
On Sale
JT SPROCKETS Counter Shaft Sprocket - 15-Tooth JTF1441.15
JT SPROCKETS
MSRP: $15.58Now: $13.87Was: $15.58Computer-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...12120221- SKU:
- 12120221
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 15
- MODEL:
- SUZUKI
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
MSRP: $15.58Now: $13.87Was: $15.58Qty in Cart: 0Quantity:Price:MSRP: $15.58Now: $13.87Was: $15.58Subtotal: -
On Sale
JT SPROCKETS Rear Sprocket - KTM - Orange - 48 Tooth JTA891.48ORG
JT SPROCKETS
MSRP: $32.95Now: $29.33Was: $32.95Computer-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...12112614- SKU:
- 12112614
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
MSRP: $32.95Now: $29.33Was: $32.95Qty in Cart: 0Quantity:Price:MSRP: $32.95Now: $29.33Was: $32.95Subtotal: -
On Sale
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 46-Tooth JTR808.46
JT SPROCKETS
MSRP: $31.85Now: $28.35Was: $31.85Computer 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...JTR80846- SKU:
- JTR80846
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 46
MSRP: $31.85Now: $28.35Was: $31.85 -
On Sale
JT SPROCKETS Rear Sprocket - Honda - Black - 45 Tooth JTA210.45BLK
JT SPROCKETS
MSRP: $35.50Now: $31.60Was: $35.50Computer-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...12112639- SKU:
- 12112639
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 45
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
MSRP: $35.50Now: $31.60Was: $35.50Qty in Cart: 0Quantity:Price:MSRP: $35.50Now: $31.60Was: $35.50Subtotal: -
On Sale
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF1445.12SC
JT SPROCKETS
MSRP: $11.93Now: $10.62Was: $11.93A worn or suboptimal counter shaft sprocket directly impacts acceleration, engine responsiveness, and overall drivetrain efficiency. The JT Sprockets 12-Tooth Counter Shaft Sprocket is engineered to deliver precise power transfer with minimal rotational...12120506- SKU:
- 12120506
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 12
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $11.93Now: $10.62Was: $11.93 -
On Sale
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF565.12SC
JT SPROCKETS
MSRP: $11.83Now: $10.53Was: $11.83A worn or incorrect front sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 12-Tooth Counter Shaft Sprocket delivers computer-optimized design that maximizes strength while keeping...12120520- SKU:
- 12120520
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 12
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $11.83Now: $10.53Was: $11.83 -
On Sale
JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF430.13
JT SPROCKETS
MSRP: $11.88Now: $10.57Was: $11.88A properly sized counter shaft sprocket is critical to your bike's acceleration, top-end power delivery, and overall drivetrain efficiency. The JT Sprockets 13-tooth counter shaft sprocket delivers the precision engineering and material quality that...12120057- SKU:
- 12120057
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
MSRP: $11.88Now: $10.57Was: $11.88Qty in Cart: 0Quantity:Price:MSRP: $11.88Now: $10.57Was: $11.88Subtotal: -
On Sale
JT SPROCKETS Rear Sprocket - Orange - 38 Tooth JTA897.38ORG
JT SPROCKETS
MSRP: $30.35Now: $27.01Was: $30.35A properly sized rear sprocket is critical for optimizing your bike's acceleration, top speed, and overall powertrain efficiency. The JT Sprockets 38-tooth rear sprocket delivers the precision engineering and durability you need for both street and track...12112626- SKU:
- 12112626
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- REAR
MSRP: $30.35Now: $27.01Was: $30.35Qty in Cart: 0Quantity:Price:MSRP: $30.35Now: $27.01Was: $30.35Subtotal: -
On Sale
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 48 Tooth JTA460.48BLK
JT SPROCKETS
MSRP: $37.38Now: $33.27Was: $37.38A worn or undersized rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Kawasaki. The JT Sprockets 48-tooth rear sprocket delivers computer-optimized tooth geometry and premium heat-treatment to handle...12112652- SKU:
- 12112652
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 48
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
MSRP: $37.38Now: $33.27Was: $37.38 -
On Sale
JT SPROCKETS Rear Sprocket - Black - 42-Tooth JTA897.42BLK
JT SPROCKETS
MSRP: $32.20Now: $28.66Was: $32.20A properly sized rear sprocket is critical to maximizing acceleration and top-end performance while maintaining optimal engine RPM in your target powerband. This JT 42-tooth sprocket delivers the durability and precision required for consistent lap times...12112678- SKU:
- 12112678
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
MSRP: $32.20Now: $28.66Was: $32.20 -
On Sale
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 45-Tooth JTR460.45
JT SPROCKETS
MSRP: $31.08Now: $27.66Was: $31.08Rear sprocket selection directly impacts your acceleration, top-end speed, and overall drivetrain efficiency—making it one of the most critical tuning decisions you'll make. The JT Sprockets 45-Tooth rear sprocket delivers the precision engineering and...JTR46045- SKU:
- JTR46045
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
MSRP: $31.08Now: $27.66Was: $31.08
