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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Renthal Ultralight Rear Sprocket 47T 520 Chain Silver 123U-520-47GYSI
RENTHAL
$99.82Enhance your Suzuki's performance with the RENTHAL 47-Tooth Rear Sprocket, precision-engineered from high-grade 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than traditional steel options, offering improved acceleration and handling...R12347- SKU:
- R12347
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- TOOTH COUNT:
- 47
- TYPE:
- DRIVE
$99.82 -
Renthal 49-Tooth Blue Rear Sprocket for Husqvarna TC85 2014-2023 441U-428-49GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 49-Tooth Rear Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than traditional steel options. Its precision CNC...12111725- SKU:
- 12111725
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
$104.61 -
Renthal Ultralight Rear Sprocket 50T Blue 428 Chain Husqvarna TC85 441U-428-50GPBU
RENTHAL
$104.61Enhance your Husqvarna's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered for durability and efficiency. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a lightweight yet robust solution for...12111726- SKU:
- 12111726
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$104.61 -
Renthal Front Sprocket 14T 520 Chain Honda XR650R 2000-2007 283--520-14GP
RENTHAL
$37.95Enhance your Honda motorcycle's performance with the RENTHAL 14-Tooth Front Sprocket. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance. Its CNC-machined design...12120029- SKU:
- 12120029
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 14
- TYPE:
- FRONT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$37.95 -
Renthal Front 13-Tooth Ultralight Sprocket for Suzuki RM-Z450 RMX450Z 447-520-13GP
RENTHAL
$37.95Enhance your Suzuki's performance with the RENTHAL 13-Tooth Front Sprocket, precision-engineered for durability and efficiency. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional strength and wear...12120088- SKU:
- 12120088
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
$37.95 -
Renthal 46-Tooth Black Rear Sprocket for KTM 441U-520-46GPBK
RENTHAL
$99.82Enhance your KTM's performance with the RENTHAL 46-Tooth Rear Sprocket. Crafted from high-quality 7075-T6 aluminum alloy, this sprocket offers a perfect balance of strength and weight savings. Its CNC-machined construction ensures precise fit and...12111877- SKU:
- 12111877
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 46
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$99.82 -
Renthal 48-Tooth Black Rear Sprocket for KTM 441U-520-48GPBK
RENTHAL
$99.82Enhance your KTM's performance with the RENTHAL 48-Tooth Black Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel. Its CNC-machined self-cleaning mud grooves...12111878- SKU:
- 12111878
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$99.82 -
Renthal 47-Tooth Blue Rear Sprocket for Yamaha YZ65 121U-420-47GBBU
RENTHAL
$104.61Enhance your Yamaha YZ65's performance with the RENTHAL 47-Tooth Blue Sprocket. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional strength while being approximately 66% lighter than steel, ensuring durability...12112060- SKU:
- 12112060
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- COLOR/FINISH:
- BLUE
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$104.61 -
Renthal 47T Rear Sprocket 420 Chain Orange 192U-420-47GPOR
RENTHAL
$104.61The RENTHAL Orange Rear Sprocket 47-Tooth 192U-420-47GPOR is engineered for off-road enthusiasts seeking enhanced performance and durability. Constructed from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers a lightweight yet robust...12112466- SKU:
- 12112466
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$104.61 -
Renthal Rear Sprocket 42T Orange 224U-520-42GPOR
RENTHAL
$104.61Enhance your off-road performance with the RENTHAL Rear Sprocket, featuring a 42-tooth configuration and vibrant orange finish. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter...12112469- SKU:
- 12112469
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- ORANGE
- MOUNTING POSITION:
- REAR
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 42
- TYPE:
- DRIVE
- UNITS:
- EACH
$104.61 -
Renthal 44T Rear Sprocket Orange 224U-520-44GPOR
RENTHAL
$104.61Enhance your off-road performance with the RENTHAL Rear Sprocket 44-Tooth Orange 224U-520-44GPOR. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel. Its CNC-machined...12112470- SKU:
- 12112470
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 44
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- UNITS:
- EACH
$104.61 -
Renthal 45T Rear Sprocket Orange 224U-520-45GPOR
RENTHAL
$104.61Enhance your motorcycle's performance with the RENTHAL Rear Sprocket 45-Tooth Orange 224U-520-45GPOR. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than traditional steel sprockets...12112471- SKU:
- 12112471
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$104.61 -
Renthal 46T Rear Sprocket Orange 224U-520-46GPOR
RENTHAL
$104.61Enhance your off-road performance with the RENTHAL Rear Sprocket, featuring a 46-tooth configuration and vibrant orange finish. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter...12112472- SKU:
- 12112472
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 46
$104.61 -
Renthal 51T Ultralight Rear Sprocket Orange 224U-520-51GPOR
RENTHAL
$104.61Enhance your off-road performance with the RENTHAL Rear Sprocket, featuring a 51-tooth configuration and vibrant orange finish. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers a significant weight reduction of 66% compared to...12112477- SKU:
- 12112477
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- TYPE:
- DRIVE
$104.61 -
Renthal Rear Sprocket 53T Orange 224U-520-53GPOR
RENTHAL
$104.61Enhance your motorcycle's performance with the RENTHAL Rear Sprocket, featuring a 53-tooth design and vibrant orange finish. Crafted from a specially enhanced 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter...12112479- SKU:
- 12112479
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- TYPE:
- DRIVE
- UNITS:
- EACH
$104.61 -
Renthal 36T Rear Sprocket Orange 415 Chain 491-415-36P-OR
RENTHAL
$104.61Enhance your motorcycle's performance with the RENTHAL Rear Sprocket 36-Tooth Orange 491-415-36P-OR. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being 66% lighter than steel counterparts. Its...12112489- SKU:
- 12112489
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 415
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 36
- TYPE:
- DRIVE
- UNITS:
- EACH
$104.61 -
Renthal 13-Tooth Front Sprocket for Kawasaki KLX140 431--428-13GP
RENTHAL
$37.95Enhance your Kawasaki's performance with the RENTHAL Front Sprocket 13-Tooth 431--428-13GP. Crafted from case-hardened and core-refined 655-M13 nickel-chromium steel, this sprocket offers exceptional strength and durability. Its ultralight design reduces...12120609- SKU:
- 12120609
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TYPE:
- FRONT
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
$37.95 -
Renthal Front Sprocket 14T 520 Chain Kawasaki 445--520-14GP
RENTHAL
$37.95Enhance your Kawasaki's performance with the RENTHAL 14-Tooth Front Sprocket, engineered for durability and efficiency. Constructed from case-hardened 655M13 nickel-chromium steel, this sprocket offers exceptional strength and wear resistance. Its...12120500- SKU:
- 12120500
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 14
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$37.95 -
Renthal Front Sprocket 14T 420 Chain KTM 65 SX 2009-2023 440--420-14GP
RENTHAL
$37.95Enhance your KTM's performance with the RENTHAL 14-Tooth Front Sprocket, engineered for durability and efficiency. Constructed from case-hardened and core-refined 655-M13 nickel-chromium steel, this sprocket offers exceptional strength and longevity. Its...12120708- SKU:
- 12120708
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- TOOTH COUNT:
- 14
- TYPE:
- FRONT
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$37.95 -
Renthal Front Sprocket 12T 520 for Kawasaki KX250 KX250F KX250X KX250XC 453--520-12P
RENTHAL
$37.95Enhance your Kawasaki's performance with the RENTHAL 12-Tooth Front Sprocket, precision-engineered for durability and efficiency. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional strength and...12120202- SKU:
- 12120202
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TOOTH COUNT:
- 12
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FRONT
- UNITS:
- EACH
$37.95
