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Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain

Enhance your dirt bike’s power transfer with premium drivetrain parts. 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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23800-041-000

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23800-041-000

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23800-041-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222504
    SKU:
    K222504
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    15
    CHAIN SIZE:
    420
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-429-000

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-429-000

    PARTS UNLIMITED

    $15.25
    PARTS UNLIMITED Countershaft Sprocket 14-Tooth 23801-429-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222504B
    SKU:
    K222504B
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $15.25
    Qty in Cart: 0
    Quantity:
    Price:
    $15.25
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-MC4-000

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-MC4-000

    PARTS UNLIMITED

    $16.27
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801-MC4-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222504C
    SKU:
    K222504C
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    15
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    TYPE:
    COUNTERSHAFT
    $16.27
    Qty in Cart: 0
    Quantity:
    Price:
    $16.27
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 23800-045-671

    PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 23800-045-671

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 12-Tooth 23800-045-671All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222505
    SKU:
    K222505
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    12
    CHAIN SIZE:
    420
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23800045-010-13

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23800045-010-13

    PARTS UNLIMITED

    $8.11
    PARTS UNLIMITED Countershaft Sprocket 13-Tooth 23800045-010-13All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222506
    SKU:
    K222506
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    420
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    13
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    $8.11
    Qty in Cart: 0
    Quantity:
    Price:
    $8.11
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-107-76014

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-107-76014

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 14-Tooth 23801-107-76014All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222508
    SKU:
    K222508
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    428
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    14
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 18-Tooth 23801-300-620

    PARTS UNLIMITED Countershaft Sprocket - 18-Tooth 23801-300-620

    PARTS UNLIMITED

    $26.47
    PARTS UNLIMITED Countershaft Sprocket 18-Tooth 23801-300-620All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222520
    SKU:
    K222520
    Availability:
    Ships Same Business Day
    Weight:
    0.94 LBS
    CHAIN SIZE:
    530
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    18
    $26.47
    Qty in Cart: 0
    Quantity:
    Price:
    $26.47
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 23801344-000-16

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 23801344-000-16

    PARTS UNLIMITED

    $18.31
    PARTS UNLIMITED Countershaft Sprocket 16-Tooth 23801344-000-16All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222525
    SKU:
    K222525
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    CHAIN SIZE:
    530
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    16
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $18.31
    Qty in Cart: 0
    Quantity:
    Price:
    $18.31
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801357-810-14

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801357-810-14

    PARTS UNLIMITED

    $18.31
    PARTS UNLIMITED Countershaft Sprocket 14-Tooth 23801357-810-14All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222531
    SKU:
    K222531
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    14
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $18.31
    Qty in Cart: 0
    Quantity:
    Price:
    $18.31
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801357-810-15

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801357-810-15

    PARTS UNLIMITED

    $18.31
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801357-810-15All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222532
    SKU:
    K222532
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    15
    $18.31
    Qty in Cart: 0
    Quantity:
    Price:
    $18.31
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23804-360-810

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23804-360-810

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 13-Tooth 23804-360-810All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222534
    SKU:
    K222534
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    CHAIN SIZE:
    428
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    STREET
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23804360-810-15

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23804360-810-15

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23804360-810-15All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222536
    SKU:
    K222536
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    15
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    CHAIN SIZE:
    428
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-329-000

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-329-000

    PARTS UNLIMITED

    $15.25
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801-329-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222544
    SKU:
    K222544
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $15.25
    Qty in Cart: 0
    Quantity:
    Price:
    $15.25
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-330-000

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-330-000

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801-330-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222549
    SKU:
    K222549
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    CHAIN SIZE:
    428
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    15
    $7.09
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-428-000

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-428-000

    PARTS UNLIMITED

    $14.23
    PARTS UNLIMITED Countershaft Sprocket 14-Tooth 23801-428-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222552
    SKU:
    K222552
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    TOOTH COUNT:
    14
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $14.23
    Qty in Cart: 0
    Quantity:
    Price:
    $14.23
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-436-000

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-436-000

    PARTS UNLIMITED

    $7.09
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801-436-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222553
    SKU:
    K222553
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    428
    MATERIAL:
    STEEL
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    15
    Qty in Cart: 0
    Quantity:
    Price:
    $7.09
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-348-690

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23801-348-690

    PARTS UNLIMITED

    $17.29
    PARTS UNLIMITED Countershaft Sprocket 15-Tooth 23801-348-690All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222556
    SKU:
    K222556
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    15
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $17.29
    Qty in Cart: 0
    Quantity:
    Price:
    $17.29
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-434-000

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-434-000

    PARTS UNLIMITED

    $16.27
    PARTS UNLIMITED Countershaft Sprocket 13-Tooth 23801-434-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222564
    SKU:
    K222564
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $16.27
    Qty in Cart: 0
    Quantity:
    Price:
    $16.27
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-446-770

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-446-770

    PARTS UNLIMITED

    $13.21
    PARTS UNLIMITED Countershaft Sprocket 13-Tooth 23801-446-770All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222565
    SKU:
    K222565
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    $13.21
    Qty in Cart: 0
    Quantity:
    Price:
    $13.21
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-KA4-000

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-KA4-000

    PARTS UNLIMITED

    $17.29
    PARTS UNLIMITED Countershaft Sprocket 14-Tooth 23801-KA4-000All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a...
    K222578
    SKU:
    K222578
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    MATERIAL:
    STEEL
    UNITS:
    EACH
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    14
    $17.29
    Qty in Cart: 0
    Quantity:
    Price:
    $17.29
    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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