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
-
PARTS UNLIMITED Rear Honda Sprocket - 420 - 36 Tooth 41201-GEL-70036
PARTS UNLIMITED
$18.31All our front and rear 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 perfect fit, Packaged individually in poly bags with...12100370- SKU:
- 12100370
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 36
- UNITS:
- EACH
$18.31 -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-052
PARTS UNLIMITED
$7.09All 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 perfect fitK222722- SKU:
- K222722
- 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 -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-068
PARTS UNLIMITED
$13.21All 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 perfect fitK222725- SKU:
- K222725
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
$13.21Qty in Cart: 0Quantity:Price:$13.21Subtotal: -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23800-GC4-6014
PARTS UNLIMITED
$8.11All 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 perfect fitK222501A- SKU:
- K222501A
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$8.11 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23800-GL4-600
PARTS UNLIMITED
$8.11All 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 perfect fitK222501B- SKU:
- K222501B
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 15
$8.11 -
PARTS UNLIMITED Countershaft Sprocket - 13 Tooth 23801-107-76013
PARTS UNLIMITED
$7.09All 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 perfect fitK222501E- SKU:
- K222501E
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 13
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$7.09 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 23800-KB9-930
PARTS UNLIMITED
$7.09All 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 perfect fitK222501F- SKU:
- K222501F
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 16
- CHAIN SIZE:
- 428
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$7.09 -
PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23803-KS6-70013
PARTS UNLIMITED
$14.23All 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 perfect fitK222501K- SKU:
- K222501K
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- TOOTH COUNT:
- 13
- UNITS:
- EACH
$14.23 -
PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-964-000
PARTS UNLIMITED
$17.29All 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 perfect fitK222501T- SKU:
- K222501T
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 13
- UNITS:
- EACH
$17.29 -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23802-ML3-87014
PARTS UNLIMITED
$14.23All 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 perfect fitK222502B- SKU:
- K222502B
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- ATV
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 14
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$14.23 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 23802-ML3-87015
PARTS UNLIMITED
$17.29All 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 perfect fitK222502C- SKU:
- K222502C
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 15
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$17.29Qty in Cart: 0Quantity:Price:$17.29Subtotal: -
PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 23801KK1-010-12
PARTS UNLIMITED
$13.21All 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 perfect fitK222502G- SKU:
- K222502G
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
$13.21 -
PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801KK1-010-13
PARTS UNLIMITED
$13.21All 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 perfect fitK222502H- SKU:
- K222502H
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 13
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$13.21 -
PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 174-17461-30
PARTS UNLIMITED
$7.09All 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 perfect fitK222610- SKU:
- K222610
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 428
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 13
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$7.09 -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 174-17461-40
PARTS UNLIMITED
$7.09All 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 perfect fitK222611- SKU:
- K222611
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$7.09 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-1085
PARTS UNLIMITED
$16.27All 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 perfect fitK222769- SKU:
- K222769
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- TOOTH COUNT:
- 16
$16.27 -
PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 13144-1085-17T
PARTS UNLIMITED
$16.27All 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 perfect fitK222770- SKU:
- K222770
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 17
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$16.27 -
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1163-14T
PARTS UNLIMITED
$20.35All 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 perfect fitK222797- SKU:
- K222797
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 14
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$20.35 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 13144-1163-15T
PARTS UNLIMITED
$23.41All 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 perfect fitK222798- SKU:
- K222798
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 15
$23.41 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 27511-27100
PARTS UNLIMITED
$7.09All 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 perfect fitK222804- SKU:
- K222804
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- CHAIN SIZE:
- 428
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 15
$7.09
