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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
  • JT SPROCKETS Sprocket - Rear - KTM - 46-Tooth JTR895.46

    JT SPROCKETS Sprocket - Rear - KTM - 46-Tooth JTR895.46

    JT SPROCKETS

    $21.48
    Computer 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...
    12100663
    SKU:
    12100663
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    CHAIN SIZE:
    428
    UNITS:
    EACH
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    46
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $21.48
    Qty in Cart: 0
    Quantity:
    Price:
    $21.48
    Subtotal:
  • JT SPROCKETS Sprocket - Suzuki - 39-Tooth JTR808.39

    JT SPROCKETS Sprocket - Suzuki - 39-Tooth JTR808.39

    JT SPROCKETS

    $26.48
    Computer-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...
    12100688
    SKU:
    12100688
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    39
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $26.48
    Qty in Cart: 0
    Quantity:
    Price:
    $26.48
    Subtotal:
  • JT SPROCKETS Sprocket - Yamaha - 37-Tooth JTR834.37

    JT SPROCKETS Sprocket - Yamaha - 37-Tooth JTR834.37

    JT SPROCKETS

    $14.78
    Computer 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...
    12101340
    SKU:
    12101340
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    MODEL:
    YAMAHA
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    CHAIN SIZE:
    420
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    37
    $14.78
    Qty in Cart: 0
    Quantity:
    Price:
    $14.78
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Honda - Red - 50 Tooth JTA210.50RED

    JT SPROCKETS Rear Sprocket - Honda - Red - 50 Tooth JTA210.50RED

    JT SPROCKETS

    $40.35
    Computer-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...
    12112571
    SKU:
    12112571
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    DRIVE
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    50
    UNITS:
    EACH
    MATERIAL:
    7075-T6 ALUMINUM
    MOUNTING POSITION:
    REAR
    $40.35
    Qty in Cart: 0
    Quantity:
    Price:
    $40.35
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Black - 50-Tooth JTA897.50BLK

    JT SPROCKETS Rear Sprocket - Black - 50-Tooth JTA897.50BLK

    JT SPROCKETS

    $40.35
    RaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options
    12112683
    SKU:
    12112683
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    REAR
    UNITS:
    EACH
    MATERIAL:
    7075-T6 ALUMINUM
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    50
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    REAR
    $40.35
    Qty in Cart: 0
    Quantity:
    Price:
    $40.35
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Orange - 48-Tooth JTA897.48ORG

    JT SPROCKETS Rear Sprocket - Orange - 48-Tooth JTA897.48ORG

    JT SPROCKETS

    $37.38
    RaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options
    12112691
    SKU:
    12112691
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    ORANGE
    MATERIAL:
    7075-T6 ALUMINUM
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    48
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    REAR
    UNITS:
    EACH
    $37.38
    Qty in Cart: 0
    Quantity:
    Price:
    $37.38
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Orange - 51-Tooth JTA897.51ORG

    JT SPROCKETS Rear Sprocket - Orange - 51-Tooth JTA897.51ORG

    JT SPROCKETS

    $41.43
    RaceLite sprockets are made of anodized 7075-T6 aluminum, Available in hard wearing color options
    12112694
    SKU:
    12112694
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    51
    MOUNTING POSITION:
    REAR
    UNITS:
    EACH
    COLOR/FINISH:
    ORANGE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    REAR
    CHAIN SIZE:
    520
    MATERIAL:
    7075-T6 ALUMINUM
    RIDING STYLE:
    STREET
    $41.43
    Qty in Cart: 0
    Quantity:
    Price:
    $41.43
    Subtotal:
  • JT SPROCKETS Sprocket - Rear - Honda - 56-Tooth JTR215.56

    JT SPROCKETS Sprocket - Rear - Honda - 56-Tooth JTR215.56

    JT SPROCKETS

    $26.20
    Computer 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...
    12120117
    SKU:
    12120117
    Availability:
    Ships Same Business Day
    Weight:
    2.09 LBS
    CHAIN SIZE:
    420
    MODEL:
    HONDA
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    TOOTH COUNT:
    56
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $26.20
    Qty in Cart: 0
    Quantity:
    Price:
    $26.20
    Subtotal:
  • JT SPROCKETS Sprocket - Rear - Kawasaki - 33-Tooth JTR801.33

    JT SPROCKETS Sprocket - Rear - Kawasaki - 33-Tooth JTR801.33

    JT SPROCKETS

    $11.93
    Computer 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...
    12120241
    SKU:
    12120241
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    CHAIN SIZE:
    420
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    C45 HIGH-CARBON STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    33
    UNITS:
    EACH
    $11.93
    Qty in Cart: 0
    Quantity:
    Price:
    $11.93
    Subtotal:
  • JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF1590.13SC

    JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF1590.13SC

    JT SPROCKETS

    $14.60
    Computer-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...
    12120512
    SKU:
    12120512
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    MODEL:
    YAMAHA
    $14.60
    Qty in Cart: 0
    Quantity:
    Price:
    $14.60
    Subtotal:
  • JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF432.13SC

    JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF432.13SC

    JT SPROCKETS

    $16.80
    Computer 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...
    12120517
    SKU:
    12120517
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    13
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    $16.80
    Qty in Cart: 0
    Quantity:
    Price:
    $16.80
    Subtotal:
  • JT SPROCKETS Sprocket - Yamaha - 54-Tooth JTR833.54

    JT SPROCKETS Sprocket - Yamaha - 54-Tooth JTR833.54

    JT SPROCKETS

    $32.10
    Computer 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...
    12101437
    SKU:
    12101437
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    428
    PRODUCT NAME:
    SPROCKET
    MODEL:
    YAMAHA
    MOUNTING POSITION:
    REAR
    TOOTH COUNT:
    54
    $32.10
    Qty in Cart: 0
    Quantity:
    Price:
    $32.10
    Subtotal:
  • JT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth JTX210.47GR

    JT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth JTX210.47GR

    JT SPROCKETS

    $51.80
    JT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth
    12102595
    SKU:
    12102595
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    MATERIAL:
    T6 ALUMINUM CENTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    520
    COLOR/FINISH:
    GRAPHITE
    RIDING STYLE:
    STREET
    STYLE:
    TWINSTAR
    MATERIAL:
    HIGH CARBON STEEL OUTER RING
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    47
    $51.80
    Qty in Cart: 0
    Quantity:
    Price:
    $51.80
    Subtotal:
  • JT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth JTX210.48GR

    JT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth JTX210.48GR

    JT SPROCKETS

    $51.80
    JT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth
    12102596
    SKU:
    12102596
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    MATERIAL:
    T6 ALUMINUM CENTER
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    48
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    STYLE:
    TWINSTAR
    COLOR/FINISH:
    GRAPHITE
    MATERIAL:
    HIGH CARBON STEEL OUTER RING
    RIDING STYLE:
    OFF-ROAD
    $51.80
    Qty in Cart: 0
    Quantity:
    Price:
    $51.80
    Subtotal:
  • JT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth JTX210.50GR

    JT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth JTX210.50GR

    JT SPROCKETS

    $51.80
    JT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth
    12102598
    SKU:
    12102598
    Availability:
    Ships Same Business Day
    Weight:
    1.66 LBS
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    50
    STYLE:
    TWINSTAR
    UNITS:
    EACH
    MATERIAL:
    HIGH CARBON STEEL OUTER RING
    COLOR/FINISH:
    GRAPHITE
    MATERIAL:
    T6 ALUMINUM CENTER
    RIDING STYLE:
    OFF-ROAD
    $51.80
    Qty in Cart: 0
    Quantity:
    Price:
    $51.80
    Subtotal:
  • JT SPROCKETS Rear Sprocket - 50-Tooth - Yamaha JTR251.50SC

    JT SPROCKETS Rear Sprocket - 50-Tooth - Yamaha JTR251.50SC

    JT SPROCKETS

    $32.98
    Computer 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...
    12102443
    SKU:
    12102443
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    MATERIAL:
    STEEL
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    50
    $32.98
    Qty in Cart: 0
    Quantity:
    Price:
    $32.98
    Subtotal:
  • JT SPROCKETS Rear Sprocket - 51-Tooth - Yamaha JTR251.51SC

    JT SPROCKETS Rear Sprocket - 51-Tooth - Yamaha JTR251.51SC

    JT SPROCKETS

    $32.98
    Computer 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...
    12102444
    SKU:
    12102444
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    UNITS:
    EACH
    $32.98
    Qty in Cart: 0
    Quantity:
    Price:
    $32.98
    Subtotal:
  • JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR460.48SC

    JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR460.48SC

    JT SPROCKETS

    $29.55
    Computer 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...
    12102445
    SKU:
    12102445
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    48
    $29.55
    Qty in Cart: 0
    Quantity:
    Price:
    $29.55
    Subtotal:
  • JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki JTR460.49SC

    JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki JTR460.49SC

    JT SPROCKETS

    $32.98
    Computer 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...
    12102446
    SKU:
    12102446
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    CHAIN SIZE:
    520
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    49
    MATERIAL:
    STEEL
    $32.98
    Qty in Cart: 0
    Quantity:
    Price:
    $32.98
    Subtotal:
  • JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR808.48SC

    JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR808.48SC

    JT SPROCKETS

    $29.55
    Computer 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...
    12102449
    SKU:
    12102449
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    48
    UNITS:
    EACH
    CHAIN SIZE:
    520
    Qty in Cart: 0
    Quantity:
    Price:
    $29.55
    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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