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
-
Renthal 51T Rear Sprocket for Kawasaki KX100 KX80 KX85 Black 191U-420-51GEBK
RENTHAL
$99.82Enhance your Kawasaki's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while maintaining an ultralight design, making it approximately 66% lighter...12110299- SKU:
- 12110299
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$99.82 -
Renthal Ultralight Rear Sprocket 52T Black 191U-420-52GEBK
RENTHAL
$99.82Enhance your Kawasaki's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a perfect balance of durability and lightweight design, making it an excellent upgrade for riders seeking...12110300- SKU:
- 12110300
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
$99.82 -
Renthal 49-Tooth Aluminum Rear Sprocket for Husqvarna Blue 224U-520-49GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 49-Tooth Blue Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel. Its precision CNC-machined design...12111332- SKU:
- 12111332
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$104.61 -
Renthal 50-Tooth Blue Rear Sprocket for Husqvarna 224U-520-50GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. Its ultralight design reduces weight by 66% compared to steel, while maintaining exceptional durability. The...12111333- SKU:
- 12111333
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$104.61 -
Renthal 51-Tooth Blue Anodized Rear Sprocket for Husqvarna 224U-520-51GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 51-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel. Its precision CNC-machined design...12111334- SKU:
- 12111334
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$104.61 -
Renthal Rear Sprocket 38T Orange 415 Chain 48041538POR
RENTHAL
$97.95Enhance your KTM's performance with the RENTHAL 38-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a lightweight yet durable solution for off-road enthusiasts. Its self-cleaning mud grooves at each tooth...12111201- SKU:
- 12111201
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 415
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 38
- UNITS:
- EACH
$97.95 -
Renthal 40-Tooth Rear Sprocket for KTM 50 SX 415 Chain Orange 48041540POR
RENTHAL
$97.95Enhance your KTM's performance with the RENTHAL 40-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts, yet offers exceptional durability. Its self-cleaning...12111203- SKU:
- 12111203
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TYPE:
- DRIVE
- CHAIN SIZE:
- 415
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- COLOR/FINISH:
- ORANGE
- UNITS:
- EACH
$97.95 -
Renthal 36-Tooth Black Rear Sprocket for KTM 50 SX 49141536PBK
RENTHAL
$99.82Enhance your KTM's performance with the RENTHAL 36-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength and durability while being 66% lighter than traditional steel sprockets. Its...12111208- SKU:
- 12111208
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 36
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- CHAIN SIZE:
- 415
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$99.82 -
Renthal 38-Tooth Black Rear Sprocket for KTM 50 SX 2021-2023 49141538PBK
RENTHAL
$99.82Enhance your KTM's performance with the RENTHAL 38-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel counterparts. Its precision CNC-machined...12111209- SKU:
- 12111209
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- CHAIN SIZE:
- 415
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 38
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$99.82 -
Renthal 40-Tooth Rear Sprocket Black 49141540PBK
RENTHAL
$99.82Enhance your KTM's performance with the RENTHAL 40-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being 66% lighter than traditional steel options. Its precision CNC-machined...12111210- SKU:
- 12111210
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN SIZE:
- 415
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 40
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$99.82 -
Renthal Ultralight Rear Sprocket 52T Blue 520 Pitch 224U-520-52GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel counterparts. Its precision...12111344- SKU:
- 12111344
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$104.61 -
Renthal 49-Tooth Green Rear Sprocket for Kawasaki 112U52049GEGN
RENTHAL
$104.61Enhance your Kawasaki motorcycle's performance with the RENTHAL 49-Tooth Rear Aluminum Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers an optimal balance of strength and weight savings, making it an excellent choice for...12111346- SKU:
- 12111346
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- COLOR/FINISH:
- GREEN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- UNITS:
- EACH
$104.61 -
Renthal 50-Tooth Rear Sprocket for Kawasaki 520 Chain Green 112U52050GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 50-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a perfect balance of durability and weight savings. Its self-cleaning mud grooves prevent debris buildup,...12111347- SKU:
- 12111347
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- COLOR/FINISH:
- GREEN
- TYPE:
- DRIVE
$104.61 -
Renthal 52T Green Rear Sprocket for Kawasaki 520 Chain 112U-520-52GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel. Its advanced tooth profile and...12111674- SKU:
- 12111674
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- TYPE:
- DRIVE
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- SPROCKET
$104.61 -
Renthal Green 53-Tooth Rear Sprocket for Kawasaki 112U-520-53GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 53-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being approximately 66% lighter than traditional steel sprockets, resulting...12111675- SKU:
- 12111675
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- COLOR/FINISH:
- GREEN
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$104.61Qty in Cart: 0Quantity:Price:$104.61Subtotal: -
Renthal Green 49-Tooth Aluminum Rear Sprocket for Kawasaki 191U-420-49GEGN
RENTHAL
$104.61Enhance your Kawasaki motorcycle's performance with the RENTHAL 49-Tooth Rear Sprocket. Crafted from high-grade 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its ultralight construction is...12111678- SKU:
- 12111678
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$104.61 -
Renthal Green 50-Tooth Aluminum Rear Sprocket for Kawasaki KX80G 1986-1987 191U-420-50GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 50-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and lightweight design. Its self-cleaning mud grooves at each tooth actively...12111679- SKU:
- 12111679
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- GREEN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$104.61 -
Renthal 51-Tooth Green Rear Sprocket for Kawasaki 191U-420-51GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 191U-420-51GEGN rear sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers an ultralight design approximately 66% lighter than traditional steel sprockets, improving...12111680- SKU:
- 12111680
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$104.61 -
Renthal Green 52-Tooth Aluminum Sprocket for Kawasaki KX100 191U-420-52GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 52-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being approximately 66% lighter than traditional steel options. Its...12111681- SKU:
- 12111681
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- GREEN
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
$104.61 -
Renthal 46-Tooth Green Rear Sprocket for Kawasaki KX65 408U-420-46GEGN
RENTHAL
$104.61Enhance your Kawasaki's performance with the RENTHAL 46-Tooth Rear Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than traditional steel options. Its CNC-machined...12111682- SKU:
- 12111682
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- CHAIN SIZE:
- 420
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- TYPE:
- DRIVE
$104.61
