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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
  • BARNETT Clutch Springs 501-38-06118

    BARNETT Clutch Springs 501-38-06118

    BARNETT

    $31.93
    If you're running a high-performance clutch system, weak or worn spring sets will compromise engagement consistency and throttle response. BARNETT Clutch Springs deliver the robust preload and durability needed to handle aggressive driving, whether...
    11310121
    SKU:
    11310121
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    PRODUCT NAME:
    SPRING SET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET OF 6
    RIDING STYLE:
    ATV
    SPRING MATERIAL:
    STEEL
    TYPE:
    CLUTCH
    $31.93
    Qty in Cart: 0
    Quantity:
    Price:
    $31.93
    Subtotal:
  • BARNETT Clutch Friction Plate 301-35-10019

    BARNETT Clutch Friction Plate 301-35-10019

    BARNETT

    $19.72
    Heavy-duty Series K aramid friction plates and steel drive plates available individually for most models, Made in the U.S.A.
    11310122
    SKU:
    11310122
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH
    UNITS:
    EACH
    FRICTION PLATE MATERIAL:
    ARAMID FIBER
    PRODUCT NAME:
    FRICTION PLATE
    RIDING STYLE:
    OFF-ROAD
    $19.72
    Qty in Cart: 0
    Quantity:
    Price:
    $19.72
    Subtotal:
  • ACERBIS Complete Chain Guide Block - Kawasaki - Green 2410970006

    ACERBIS Complete Chain Guide Block - Kawasaki - Green 2410970006

    ACERBIS

    $87.95
    Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost
    12310673
    SKU:
    12310673
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    BLOCK
    COLOR/FINISH:
    GREEN
    PRODUCT NAME:
    CHAIN GUIDE
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • ACERBIS Complete Chain Guide Block - Suzuki - Black 2410980001

    ACERBIS Complete Chain Guide Block - Suzuki - Black 2410980001

    ACERBIS

    $87.95
    Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost
    12310674
    SKU:
    12310674
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    COLOR/FINISH:
    BLACK
    TYPE:
    BLOCK
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CHAIN GUIDE
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • ACERBIS Complete Chain Guide Block - Suzuki - Yellow 2410980005

    ACERBIS Complete Chain Guide Block - Suzuki - Yellow 2410980005

    ACERBIS

    $87.95
    Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost
    12310676
    SKU:
    12310676
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    COLOR/FINISH:
    YELLOW
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    BLOCK
    UNITS:
    EACH
    PRODUCT NAME:
    CHAIN GUIDE
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • ACERBIS Complete Chain Guide Block - Yamaha - Black 2410990001

    ACERBIS Complete Chain Guide Block - Yamaha - Black 2410990001

    ACERBIS

    $87.95
    Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost
    12310677
    SKU:
    12310677
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    TYPE:
    BLOCK
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • WORKS CONNECTION Elite Axle Block - Red 17-225

    WORKS CONNECTION Elite Axle Block - Red 17-225

    WORKS CONNECTION

    $76.95
    Rear wheel alignment directly impacts chain wear, sprocket longevity, and overall drivetrain efficiency. The WORKS CONNECTION Elite Axle Block delivers precision tolerances tighter than OEM specifications, ensuring your rear wheel sits exactly where it...
    12311015
    SKU:
    12311015
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    AXLE BLOCK
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $76.95
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • MOOSE RACING 520 HPO - O-Ring Chain - 96 PLT M573-00-96

    MOOSE RACING 520 HPO - O-Ring Chain - 96 PLT M573-00-96

    MOOSE RACING

    $94.95
    A properly maintained chain is non-negotiable for reliable power delivery and rider safety. The MOOSE RACING 520 HPO O-Ring Chain delivers the durability and precision needed for sustained high-RPM performance in mid-displacement applications. With...
    M5730096
    SKU:
    M5730096
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    CHAIN SIZE:
    520
    CHAIN TYPE:
    520 HPO
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    MASTER LINK CONNECTOR:
    CLIP
    MODEL:
    HPO SERIES
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    COLOR/FINISH:
    NATURAL
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    450 CC
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    SEAL TYPE:
    O-RING
    TENSILE STRENGTH IMPERIAL:
    7496 LB
    TENSILE STRENGTH METRIC:
    33.3 KN
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • BOLT Chain Adjuster Kit 2006-CH

    BOLT Chain Adjuster Kit 2006-CH

    BOLT

    $5.99
    A properly tensioned chain is fundamental to reliable off-road and street performance—loose chains slip and wear prematurely, while over-tightened setups accelerate sprocket wear and strain your drivetrain. The BOLT Chain Adjuster Kit 2006-CH delivers...
    12310387
    SKU:
    12310387
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CHAIN ADJUSTER
    PRODUCT NAME:
    BOLT
    UNITS:
    KIT
    COLOR/FINISH:
    STAINLESS STEEL
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
    Subtotal:
  • BOLT Thread Chaser Kit TC-M6M8

    BOLT Thread Chaser Kit TC-M6M8

    BOLT

    $4.99
    Stripped or damaged threads are a common roadblock in metric motorcycle maintenance, and replacing fasteners becomes unnecessarily expensive when the real problem is debris and wear. The BOLT Thread Chaser Kit TC-M6M8 restores damaged aluminum threads to...
    12310558
    SKU:
    12310558
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    RED
    TYPE:
    DRIVE CHAIN
    UNITS:
    KIT
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    THREAD CHASER
    $4.99
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • On Sale
    ATHENA Transmission Belt S410000350008

    ATHENA Transmission Belt S410000350008

    ATHENA

    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Performance-matched drive belts are specifically designed to handle the power supplied by Athena's big bore kits for scooters
    11420034
    SKU:
    11420034
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    PRODUCT NAME:
    DRIVE BELT
    TYPE:
    FLAT-TOP
    COLOR/FINISH:
    BLACK
    STYLE:
    RIBBED
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Subtotal:
  • On Sale
    ATHENA Transmission Belt - 15.2 x 8.7 x 640 S410000350003 ATHENA Transmission Belt - 15.2 x 8.7 x 640 S410000350003

    ATHENA Transmission Belt - 15.2 x 8.7 x 640 S410000350003

    ATHENA

    MSRP: $19.95
    Now: $18.00
    Was: $19.95
    Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear
    12040068
    SKU:
    12040068
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    BELT
    COG HEIGHT:
    15.2 MM
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    MSRP: $19.95
    Now: $18.00
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $18.00
    Was: $19.95
    Subtotal:
  • On Sale
    ATHENA Transmission Belt - 16.8 x 8.5 x 837 S410000350009 ATHENA Transmission Belt - 16.8 x 8.5 x 837 S410000350009

    ATHENA Transmission Belt - 16.8 x 8.5 x 837 S410000350009

    ATHENA

    MSRP: $20.95
    Now: $19.00
    Was: $20.95
    Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear
    12040070
    SKU:
    12040070
    Availability:
    Ships Same Business Day
    Weight:
    0.43 LBS
    COG HEIGHT:
    16.8 MM
    PRODUCT NAME:
    BELT
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    MSRP: $20.95
    Now: $19.00
    Was: $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $20.95
    Now: $19.00
    Was: $20.95
    Subtotal:
  • On Sale
    ATHENA Transmission Belt - 18.5 x 9 x 814 S410000350015 ATHENA Transmission Belt - 18.5 x 9 x 814 S410000350015

    ATHENA Transmission Belt - 18.5 x 9 x 814 S410000350015

    ATHENA

    MSRP: $22.95
    Now: $21.00
    Was: $22.95
    Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear
    12040072
    SKU:
    12040072
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    COG HEIGHT:
    18,5 MM
    PRODUCT NAME:
    BELT
    UNITS:
    EACH
    MSRP: $22.95
    Now: $21.00
    Was: $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22.95
    Now: $21.00
    Was: $22.95
    Subtotal:
  • On Sale
    ATHENA Transmission Belt - 20 x 10 x 800 S410000350028 ATHENA Transmission Belt - 20 x 10 x 800 S410000350028

    ATHENA Transmission Belt - 20 x 10 x 800 S410000350028

    ATHENA

    MSRP: $23.95
    Now: $22.00
    Was: $23.95
    Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear
    12040075
    SKU:
    12040075
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    COG HEIGHT:
    20 MM
    TYPE:
    TRANSMISSION
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    BELT
    MSRP: $23.95
    Now: $22.00
    Was: $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.95
    Now: $22.00
    Was: $23.95
    Subtotal:
  • On Sale
    ATHENA Transmission Belt - 17.7 x 8.5 x 729 S410000350033

    ATHENA Transmission Belt - 17.7 x 8.5 x 729 S410000350033

    ATHENA

    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear
    12040076
    SKU:
    12040076
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    COG HEIGHT:
    17,7 MM
    UNITS:
    EACH
    PRODUCT NAME:
    BELT
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Subtotal:
  • On Sale
    ATHENA Primary Gear Set 057115

    ATHENA Primary Gear Set 057115

    ATHENA

    MSRP: $115.95
    Now: $104.00
    Was: $115.95
    Primary gear sets feature a higher gear ration than stock 22%-33% depending on model) for higher top-end speed
    11060005
    SKU:
    11060005
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    PRODUCT NAME:
    GEAR SET
    STYLE:
    CLOSE RATIO
    RIDING STYLE:
    STREET
    STYLE:
    PERFORMANCE REPLACEMENT
    UNITS:
    EACH
    TYPE:
    PRIMARY GEAR
    MSRP: $115.95
    Now: $104.00
    Was: $115.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $115.95
    Now: $104.00
    Was: $115.95
    Subtotal:
  • On Sale
    ATHENA Clutch Weight - 5g S41000030P017

    ATHENA Clutch Weight - 5g S41000030P017

    ATHENA

    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Clutch weights allow for fine-tuning of clutch engagement
    11320110
    SKU:
    11320110
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    UNITS:
    6 PACK
    PRODUCT NAME:
    WEIGHT
    TYPE:
    CLUTCH
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Subtotal:
  • On Sale
    ATHENA Clutch Weight - 5.5g S41000030P018 ATHENA Clutch Weight - 5.5g S41000030P018

    ATHENA Clutch Weight - 5.5g S41000030P018

    ATHENA

    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Clutch weights allow for fine-tuning of clutch engagement
    11320111
    SKU:
    11320111
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    STREET
    UNITS:
    6 PACK
    COLOR/FINISH:
    YELLOW
    PRODUCT NAME:
    WEIGHT
    TYPE:
    CLUTCH
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Subtotal:
  • On Sale
    ATHENA Clutch Weight - 7.6g S41000030P020 ATHENA Clutch Weight - 7.6g S41000030P020

    ATHENA Clutch Weight - 7.6g S41000030P020

    ATHENA

    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Clutch weights allow for fine-tuning of clutch engagement
    11320112
    SKU:
    11320112
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    COLOR/FINISH:
    PURPLE
    TYPE:
    CLUTCH
    RIDING STYLE:
    STREET
    UNITS:
    6 PACK
    PRODUCT NAME:
    WEIGHT
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.00
    Was: $15.95
    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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