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Dirt Bike Drivetrain

Dirt Bike Drivetrain

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 48-Tooth Ultralight Rear Sprocket for KTM 65 SX 192U-420-48GPSI

    Renthal 48-Tooth Ultralight Rear Sprocket for KTM 65 SX 192U-420-48GPSI

    RENTHAL

    $99.82
    Enhance your KTM's performance with the RENTHAL 48-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel, yet offers exceptional durability. Its self-cleaning mud grooves at each tooth...
    R192U42048
    SKU:
    R192U42048
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    420
    MATERIAL:
    7075-T6 ALUMINUM
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    SILVER
    TOOTH COUNT:
    48
    TYPE:
    DRIVE
    UNITS:
    EACH
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 49-Tooth Rear Sprocket for KTM 65 SX 192U-420-49GPSI

    Renthal 49-Tooth Rear Sprocket for KTM 65 SX 192U-420-49GPSI

    RENTHAL

    $99.82
    Enhance your KTM's performance with the RENTHAL 49-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. Its self-cleaning mud grooves at each tooth prevent debris buildup, ensuring consistent traction and reducing...
    R192U42049
    SKU:
    R192U42049
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    CHAIN SIZE:
    420
    MATERIAL:
    7075-T6 ALUMINUM
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    49
    COLOR/FINISH:
    SILVER
    TYPE:
    DRIVE
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 48-Tooth Ultralight Rear Sprocket for KTM 224U-520-48GPSI

    Renthal 48-Tooth Ultralight Rear Sprocket for KTM 224U-520-48GPSI

    RENTHAL

    $99.82
    Enhance your KTM's performance with the RENTHAL 48-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is approximately 66% lighter than traditional steel options, reducing unsprung weight and...
    R22448
    SKU:
    R22448
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    48
    UNITS:
    EACH
    MATERIAL:
    7075-T6 ALUMINUM
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    DRIVE
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 50-Tooth Rear Sprocket for KTM 224U-520-50GPSI

    Renthal 50-Tooth Rear Sprocket for KTM 224U-520-50GPSI

    RENTHAL

    $99.82
    Enhance your KTM's performance with the RENTHAL 50-Tooth Rear Sprocket, precision-engineered from high-strength 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts, offering improved handling and acceleration without...
    R22450
    SKU:
    R22450
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    50
    UNITS:
    EACH
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRIVE
    MATERIAL:
    7075-T6 ALUMINUM
    MOUNTING POSITION:
    REAR
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 12-Tooth Front Sprocket 520 Chain Kawasaki Yamaha 252--520-12GP

    Renthal 12-Tooth Front Sprocket 520 Chain Kawasaki Yamaha 252--520-12GP

    RENTHAL

    $37.95
    Enhance your motorcycle's performance with the RENTHAL 12-Tooth Front Sprocket, designed for Kawasaki and Yamaha models. Crafted from high-quality, case-hardened 655M13 nickel chromium steel, this sprocket offers exceptional durability and wear...
    R25252012
    SKU:
    R25252012
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    12
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 15T Front Sprocket 520 Chain Kawasaki Yamaha 252-520-15GP

    Renthal 15T Front Sprocket 520 Chain Kawasaki Yamaha 252-520-15GP

    RENTHAL

    $37.95
    Enhance your motorcycle's performance with the RENTHAL 15-Tooth Front Sprocket, designed for Kawasaki and Yamaha models. Crafted from high-strength 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance. Its...
    R25252015
    SKU:
    R25252015
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    15
    TYPE:
    DRIVE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SPROCKET
    COLOR/FINISH:
    NATURAL
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 13 Tooth Ultralight Front Sprocket for Honda CR250R CR500R CRF450R CRF450X TRX450R 253U-520-13GP

    Renthal 13 Tooth Ultralight Front Sprocket for Honda CR250R CR500R CRF450R CRF450X TRX450R 253U-520-13GP

    RENTHAL

    $47.95
    Enhance your Honda motorcycle's performance with the RENTHAL 13-Tooth Front Sprocket. Crafted from case-hardened and core-refined 655M13 nickel chromium steel, this sprocket offers exceptional strength and wear resistance. Its CNC-machined design ensures...
    R253U52013
    SKU:
    R253U52013
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    NATURAL
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    ATV
    TYPE:
    COUNTERSHAFT
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    STYLE:
    ULTRALIGHT
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • Renthal 12T Front Sprocket for Suzuki RM125 RM-Z250 254--520-12GP

    Renthal 12T Front Sprocket for Suzuki RM125 RM-Z250 254--520-12GP

    RENTHAL

    $37.95
    Enhance your Suzuki motorcycle's performance with the RENTHAL 12-Tooth Front Sprocket. Crafted from high-quality, case-hardened 655M13 nickel chromium steel, this sprocket offers exceptional durability and wear resistance. Its innovative design features...
    R25452012
    SKU:
    R25452012
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    12
    CHAIN SIZE:
    520
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 14-Tooth Front Sprocket for Suzuki DR-Z250 DR-Z400E DR-Z400S DR-Z400SM RM250 RMX250 255--520-14GP

    Renthal 14-Tooth Front Sprocket for Suzuki DR-Z250 DR-Z400E DR-Z400S DR-Z400SM RM250 RMX250 255--520-14GP

    RENTHAL

    $37.95
    Enhance your Suzuki motorcycle's performance with the RENTHAL 14-Tooth Front Sprocket. Engineered for durability and efficiency, this sprocket is crafted from high-quality 655M13 nickel-chromium steel, ensuring exceptional strength and longevity. Its...
    R25552014
    SKU:
    R25552014
    Availability:
    Ships Same Business Day
    Weight:
    0.39 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    TOOTH COUNT:
    14
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal Front Sprocket 13T 428 Chain Yamaha YZ85 2002-2026 257--428-13GP

    Renthal Front Sprocket 13T 428 Chain Yamaha YZ85 2002-2026 257--428-13GP

    RENTHAL

    $37.95
    Enhance your Yamaha motorcycle's performance with the RENTHAL 13-Tooth Front Sprocket. Crafted from high-quality, case-hardened 655M13 nickel chromium steel, this sprocket offers exceptional durability and wear resistance. Its precision CNC-machined...
    R25742813
    SKU:
    R25742813
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    428
    PRODUCT NAME:
    SPROCKET
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 14T Front Sprocket 420 Chain Kawasaki KX100 KX85 KX65 KX60 KX80 KX85 258--420-14GP

    Renthal 14T Front Sprocket 420 Chain Kawasaki KX100 KX85 KX65 KX60 KX80 KX85 258--420-14GP

    RENTHAL

    $37.95
    Enhance your Kawasaki's performance with the RENTHAL 14-Tooth Front Sprocket, engineered for durability and efficiency. Constructed from case-hardened 655-M13 nickel-chromium steel, this sprocket offers exceptional strength and longevity. Its...
    R25842014
    SKU:
    R25842014
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    14
    CHAIN SIZE:
    420
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 15-Tooth Front Sprocket for Honda XR600R 1991-2000 and XR650L 1993-2025 282--520-15GP

    Renthal 15-Tooth Front Sprocket for Honda XR600R 1991-2000 and XR650L 1993-2025 282--520-15GP

    RENTHAL

    $37.95
    Enhance your Honda motorcycle's performance with the RENTHAL 15-Tooth Front Sprocket. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance. Its precision CNC-machined...
    R28252015
    SKU:
    R28252015
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    TOOTH COUNT:
    15
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    PRODUCT NAME:
    SPROCKET
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 15T Front Sprocket for Kawasaki KX250 KLX300R 289--520-15GP

    Renthal 15T Front Sprocket for Kawasaki KX250 KLX300R 289--520-15GP

    RENTHAL

    $37.95
    The RENTHAL 15-Tooth Front Sprocket is engineered for Kawasaki motorcycles, offering enhanced durability and performance. Constructed from case-hardened and core-refined 655M13 nickel-chromium steel, it ensures optimal strength and hardness. The sprocket...
    R28952015
    SKU:
    R28952015
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 14-Tooth Front Sprocket for Husqvarna KTM 520 Chain 292--520-14GP

    Renthal 14-Tooth Front Sprocket for Husqvarna KTM 520 Chain 292--520-14GP

    RENTHAL

    $37.95
    Enhance your motorcycle's performance with the RENTHAL 14-Tooth Front Sprocket, designed specifically for Husqvarna and KTM models. Crafted from high-strength 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance...
    R29252014
    SKU:
    R29252014
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 12-Tooth Front Sprocket for Kawasaki KX125 1992-2005 337-520-12GP

    Renthal 12-Tooth Front Sprocket for Kawasaki KX125 1992-2005 337-520-12GP

    RENTHAL

    $37.95
    Enhance your Kawasaki motorcycle's performance with the RENTHAL 12-Tooth Sprocket. Crafted from high-quality, case-hardened 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance. Its ultralight design provides a...
    R33752012
    SKU:
    R33752012
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    MATERIAL:
    STEEL
    CHAIN SIZE:
    520
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    12
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal Ultralight Rear Sprocket 49T 520 Chain Silver 131U-520-49GBSI

    Renthal Ultralight Rear Sprocket 49T 520 Chain Silver 131U-520-49GBSI

    RENTHAL

    $99.82
    Enhance your Yamaha motorcycle's performance with the RENTHAL 49-Tooth Sprocket. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket offers exceptional durability while being approximately 66% lighter than traditional steel options. Its...
    R13149
    SKU:
    R13149
    Availability:
    Ships Same Business Day
    Weight:
    0.88 LBS
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    MATERIAL:
    7075-T6 ALUMINUM
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    49
    MOUNTING POSITION:
    REAR
    TYPE:
    DRIVE
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal Ultralight Rear Sprocket 51T 520 Chain Silver 131U-520-51GBSI

    Renthal Ultralight Rear Sprocket 51T 520 Chain Silver 131U-520-51GBSI

    RENTHAL

    $99.82
    Enhance your Yamaha's performance with the RENTHAL 51-Tooth Rear Sprocket, precision-engineered for durability and weight reduction. Crafted from high-strength 7075-T6 aluminum alloy, this sprocket is 66% lighter than traditional steel options, improving...
    R13151
    SKU:
    R13151
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MOUNTING POSITION:
    REAR
    TYPE:
    DRIVE
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    COLOR/FINISH:
    SILVER
    MATERIAL:
    7075-T6 ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 420 R1 Clip Connecting Link Gold C227

    Renthal 420 R1 Clip Connecting Link Gold C227

    RENTHAL

    $8.26
    The RENTHAL 420 R1 Replacement Clip Connecting Link C227 is designed to seamlessly connect the ends of the 420 R1 chain, ensuring a secure and reliable link for your off-road motorcycle. This clip-type master link is crafted to match the high-performance...
    R1420ML
    SKU:
    R1420ML
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    GOLD
    PRODUCT NAME:
    CONNECTING LINK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLIP
    UNITS:
    EACH
    $8.26
    Qty in Cart: 0
    Quantity:
    Price:
    $8.26
    Subtotal:
  • Renthal 47-Tooth Rear Sprocket for Yamaha 150U-520-47GBSI

    Renthal 47-Tooth Rear Sprocket for Yamaha 150U-520-47GBSI

    RENTHAL

    $99.82
    Enhance your Yamaha's performance with the RENTHAL 47-Tooth Rear Sprocket, precision-engineered from 7075-T6 aluminum alloy. This ultralight sprocket is 66% lighter than steel counterparts, yet offers exceptional durability. Its self-cleaning mud grooves...
    R150A52047
    SKU:
    R150A52047
    Availability:
    Ships Same Business Day
    Weight:
    0.88 LBS
    COLOR/FINISH:
    SILVER
    MATERIAL:
    7075-T6 ALUMINUM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    47
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    TYPE:
    DRIVE
    $99.82
    Qty in Cart: 0
    Quantity:
    Price:
    $99.82
    Subtotal:
  • Renthal 520 R1 Works Chain Clip Connecting Link C143

    Renthal 520 R1 Works Chain Clip Connecting Link C143

    RENTHAL

    $8.26
    The RENTHAL 520 R1 Works Chain Clip Connecting Link C143 is a high-quality replacement link designed for seamless compatibility with Renthal's 520 R1 Works Chains. Engineered for durability and ease of installation, this clip-type connecting link ensures...
    R1520ML
    SKU:
    R1520ML
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    GOLD
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING LINK
    TYPE:
    CLIP
    CHAIN TYPE:
    520 R1
    $8.26
    Qty in Cart: 0
    Quantity:
    Price:
    $8.26
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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