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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
  • EBC Clutch Set CKF1247

    EBC Clutch Set CKF1247

    EBC

    $146.11
    If you're pushing your bike to the limit, stock clutch plates won't keep pace with your ambition. The EBC Clutch Set CKF1247 delivers carbon-fiber impregnated friction plates that handle sustained heat and aggressive engagement without fade, giving you...
    11312215
    SKU:
    11312215
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    UNITS:
    SET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $146.11
    Subtotal:
  • EBC Clutch Set CKF2279

    EBC Clutch Set CKF2279

    EBC

    $128.41
    The EBC Clutch Set CKF2279 delivers the durability and thermal stability your high-performance engine demands, especially when you're consistently pushing near the redline. Carbon-fiber impregnated friction plates provide superior heat dissipation and...
    11312217
    SKU:
    11312217
    Availability:
    Ships Same Business Day
    Weight:
    0.58 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $128.41
    Subtotal:
  • EBC Clutch Set CKF3318

    EBC Clutch Set CKF3318

    EBC

    $59.52
    The EBC Clutch Set CKF3318 delivers the thermal stability and engagement precision that separates consistent lap times from mechanical failures. Carbon-fiber impregnated friction plates absorb and dissipate heat more effectively than organic compounds,...
    11312221
    SKU:
    11312221
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $59.52
    Subtotal:
  • EBC Clutch Kit DRCF241

    EBC Clutch Kit DRCF241

    EBC

    $143.23
    If you're pushing your engine to its limits—whether on the track or in extreme street applications—your OEM clutch won't cut it. The EBC Clutch Kit DRCF241 delivers the holding power and thermal stability required for sustained high-torque output without...
    11312233
    SKU:
    11312233
    Availability:
    Ships Same Business Day
    Weight:
    0.79 LBS
    UNITS:
    KIT
    TYPE:
    FRICTION PLATE SET
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    $143.23
    Qty in Cart: 0
    Quantity:
    Price:
    $143.23
    Subtotal:
  • EBC Clutch Kit DRC136

    EBC Clutch Kit DRC136

    EBC

    $134.87
    If your clutch is slipping under load or you're experiencing chatter on engagement, the EBC DRC136 is engineered to deliver the holding power and modulation control you need. This heavy-duty kit combines cork-based friction material with reinforced...
    11312943
    SKU:
    11312943
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    FRICTION PLATE SET
    $134.87
    Qty in Cart: 0
    Quantity:
    Price:
    $134.87
    Subtotal:
  • Rekluse Core Manual Clutch Kit Honda CRF450R 2013-2016 RMS-7010

    Rekluse Core Manual Clutch Kit Honda CRF450R 2013-2016 RMS-7010

    REKLUSE

    $619.00
    Stock clutch systems on the CRF450R struggle with heat fade and inconsistent modulation during aggressive riding, costing you control and throttle response when it matters most. The Rekluse Core Manual delivers the thermal stability and precise lever...
    11300323
    SKU:
    11300323
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $619.00
    Subtotal:
  • Rekluse Core Manual Clutch Kit for Honda CR250R 1992-2007 and CRF450R 2002-2008 RMS-7013

    Rekluse Core Manual Clutch Kit for Honda CR250R 1992-2007 and CRF450R 2002-2008 RMS-7013

    REKLUSE

    $649.00
    If you're running a CR250R or CRF450R at the limit, clutch fade and heat buildup will cost you consistency when it matters most. The Rekluse Core Manual (RMS-7013) delivers the modulation control and thermal stability serious riders need to maintain peak...
    11300325
    SKU:
    11300325
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    $649.00
    Qty in Cart: 0
    Quantity:
    Price:
    $649.00
    Subtotal:
  • Rekluse Core Manual DDS Clutch Kit for 2018-2023 KTM 250F 350F 85 MC 250F 350F 85 FC250 FC350 FC450 RMS-7013181

    Rekluse Core Manual DDS Clutch Kit for 2018-2023 KTM 250F 350F 85 MC 250F 350F 85 FC250 FC350 FC450 RMS-7013181

    REKLUSE

    $599.00
    Stock clutches on 2-stroke and 4-stroke competition bikes generate excessive heat and fade under sustained throttle application, robbing you of consistent power delivery and precise control. The Rekluse Core Manual DDS clutch kit eliminates this problem...
    11300326
    SKU:
    11300326
    Availability:
    Ships Same Business Day
    Weight:
    2.25 LBS
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    CORE MANUAL DDS
    PRODUCT NAME:
    CLUTCH KIT
    $599.00
    Qty in Cart: 0
    Quantity:
    Price:
    $599.00
    Subtotal:
  • Rekluse Core Manual Clutch Kit Honda CRF450R 2009-2012 RMS-7014

    Rekluse Core Manual Clutch Kit Honda CRF450R 2009-2012 RMS-7014

    REKLUSE

    $599.00
    The stock clutch on your CRF450R will eventually fade under sustained heat and aggressive riding—robbing you of modulation and confidence when you need it most. The Rekluse Core Manual delivers consistent engagement and improved lever feel through...
    11300327
    SKU:
    11300327
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    $599.00
    Qty in Cart: 0
    Quantity:
    Price:
    $599.00
    Subtotal:
  • Rekluse Core Manual Clutch Kit for 2010-2017 Honda CRF250R RMS-7016

    Rekluse Core Manual Clutch Kit for 2010-2017 Honda CRF250R RMS-7016

    REKLUSE

    $599.00
    Stock clutches on the 2010-2017 CRF250R suffer from fade under sustained throttle pressure and imprecise lever feel—both critical liabilities in competitive riding or demanding trail conditions. The Rekluse Core Manual delivers measurably better thermal...
    11300329
    SKU:
    11300329
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    MODEL:
    CORE MANUAL
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    $599.00
    Qty in Cart: 0
    Quantity:
    Price:
    $599.00
    Subtotal:
  • Rekluse Clutch Kit Honda CRF150R 2007-2022 RMS-7018

    Rekluse Clutch Kit Honda CRF150R 2007-2022 RMS-7018

    REKLUSE

    $529.00
    Stock clutches on the CRF150R struggle under sustained riding and heat cycles, leading to inconsistent lever feel and premature fade. The Rekluse RMS-7018 delivers sharper modulation and fade-resistant performance through optimized material science and...
    11300330
    SKU:
    11300330
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    CORE MANUAL
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    $529.00
    Qty in Cart: 0
    Quantity:
    Price:
    $529.00
    Subtotal:
  • On Sale
    SUPERSPROX Edge Rear Sprocket Insert - Green RACD48642GRN

    SUPERSPROX Edge Rear Sprocket Insert - Green RACD48642GRN

    SUPERSPROX

    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Traditional stamped steel sprockets wear unevenly and lose timing precision under sustained track abuse—the SUPERSPROX Edge Rear Sprocket Insert eliminates that liability. Built with CNC-precision engineering and modern materials, this insert delivers...
    12102361
    SKU:
    12102361
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    COLOR/FINISH:
    GREEN
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    INSERT
    TYPE:
    EDGE REAR
    UNITS:
    EACH
    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Subtotal:
  • On Sale
    SUPERSPROX Edge Rear Sprocket Insert - Blue RACD48643BLU

    SUPERSPROX Edge Rear Sprocket Insert - Blue RACD48643BLU

    SUPERSPROX

    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Stamped steel sprockets wear unevenly and degrade under sustained load, compromising chain alignment and acceleration response. The SUPERSPROX Edge Rear Sprocket Insert delivers precision-engineered tooth geometry and superior material composition that...
    12102362
    SKU:
    12102362
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    EDGE REAR
    UNITS:
    EACH
    COLOR/FINISH:
    BLUE
    PRODUCT NAME:
    INSERT
    RIDING STYLE:
    STREET
    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10.95
    Now: $7.00
    Was: $10.95
    Subtotal:
  • SUPERSPROX Edge Rear Sprocket Insert - Gold RACD48643GLD

    SUPERSPROX Edge Rear Sprocket Insert - Gold RACD48643GLD

    SUPERSPROX

    $10.95
    A worn or damaged rear sprocket compromises both acceleration response and chain longevity. The SUPERSPROX Edge Rear Sprocket Insert upgrades your drivetrain with precision-engineered construction that outlasts traditional stamped steel alternatives,...
    12102363
    SKU:
    12102363
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    EDGE REAR
    COLOR/FINISH:
    GOLD
    PRODUCT NAME:
    INSERT
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 12-Tooth CST-427-12-1

    SUPERSPROX Countershaft Sprocket - 12-Tooth CST-427-12-1

    SUPERSPROX

    $24.95
    A countershaft sprocket is your direct connection to power delivery—wear it out or choose poorly, and you're losing efficiency through the drivetrain. The SUPERSPROX 12-tooth CST-427-12-1 is engineered with the same specifications trusted by factory...
    12121369
    SKU:
    12121369
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    12
    CHAIN SIZE:
    520
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Stealth Rear Sprocket - 50-Tooth - Red - Beta RST-8000-50-RED

    SUPERSPROX Stealth Rear Sprocket - 50-Tooth - Red - Beta RST-8000-50-RED

    SUPERSPROX

    $119.95
    The SUPERSPROX Stealth Rear Sprocket delivers the durability of steel with the weight advantage of aluminum—a critical combination for riders pushing their bikes to the limit. If you're experiencing premature sprocket wear or looking to optimize your...
    12102038
    SKU:
    12102038
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    COLOR/FINISH:
    STEALTH
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    CHAIN SIZE:
    525
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    REAR
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    50
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • SUPERSPROX Stealth Rear Sprocket - 51-Tooth - Red - Beta RST-8000-51-RED

    SUPERSPROX Stealth Rear Sprocket - 51-Tooth - Red - Beta RST-8000-51-RED

    SUPERSPROX

    $119.95
    If you're running a high-displacement sport bike, rear sprocket wear is a maintenance reality—but it doesn't have to cost you performance or weight. The SUPERSPROX Stealth combines steel teeth that outlast aluminum by 4x with a lightweight aluminum core,...
    12102039
    SKU:
    12102039
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    CHAIN SIZE:
    525
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    REAR
    COLOR/FINISH:
    STEALTH
    MATERIAL:
    ALUMINUM
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • UFO Chain Guide - KTM 125-530 SX/SXF/EXC - Black KT04028-001

    UFO Chain Guide - KTM 125-530 SX/SXF/EXC - Black KT04028-001

    UFO

    $24.95
    A worn or damaged chain guide forces your engine to work harder, bleeding power and reducing chain lifespan. The UFO Chain Guide replaces your OEM unit with a long-wearing polyurethane design that maintains precise chain alignment and absorbs impact...
    12310474
    SKU:
    12310474
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MATERIAL:
    POLYURETHANE
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • UFO Chain Guide - KTM 125-530 SX/SXF/EXC - Orange KT04028-127

    UFO Chain Guide - KTM 125-530 SX/SXF/EXC - Orange KT04028-127

    UFO

    $24.95
    A worn or damaged chain guide accelerates sprocket wear and increases the risk of chain derailment—both costly failures that sideline your bike. The UFO Chain Guide delivers OEM-compatible protection with enhanced durability, keeping your drivetrain...
    12310444
    SKU:
    12310444
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    ORANGE
    MATERIAL:
    POLYURETHANE
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • UFO Chain Guide - Kawasaki KX85/100 - Neutral KA03719-280

    UFO Chain Guide - Kawasaki KX85/100 - Neutral KA03719-280

    UFO

    $24.95
    The chain guide is a critical wear component that takes direct punishment from your chain's lateral movement and the constant friction of high-RPM operation. A worn or damaged guide compromises power delivery, increases chain wear, and risks catastrophic...
    123719
    SKU:
    123719
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    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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