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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
  • Rekluse RadiusX 4.0 Clutch Kit Husaberg FE450 2010-2012 RMS-8313027

    Rekluse RadiusX 4.0 Clutch Kit Husaberg FE450 2010-2012 RMS-8313027

    REKLUSE

    $999.00
    The RadiusX 4.0 clutch delivers the precise engagement and durability you need to push your Husaberg FE450 to its limits. Built with a re-engineered EXP assembly and advanced friction materials, this kit provides superior heat management and responsive...
    11300743
    SKU:
    11300743
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    $999.00
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch KTM 400 450 530 2008-2011 RMS-8313032

    Rekluse RadiusX 4.0 Clutch KTM 400 450 530 2008-2011 RMS-8313032

    REKLUSE

    $999.00
    The Rekluse RadiusX 4.0 delivers the precision engagement and thermal stability serious KTM riders demand from their clutch systems. Whether you're pushing hard on the track or tackling aggressive trail conditions, this clutch responds predictably with...
    11300745
    SKU:
    11300745
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    $999.00
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch KTM 250 EXC 2013-2016 RMS-8313037

    Rekluse RadiusX 4.0 Clutch KTM 250 EXC 2013-2016 RMS-8313037

    REKLUSE

    $999.00
    The Rekluse RadiusX 4.0 delivers the precise clutch engagement and heat management that serious KTM 250 EXC riders demand when pushing hard on technical terrain. By combining advanced centrifugal wedge technology with optimized friction materials, this...
    11300749
    SKU:
    11300749
    Availability:
    Ships Same Business Day
    Weight:
    2.68 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch Kit KTM 250 EXC-F 2024 RMS-8313081

    Rekluse RadiusX 4.0 Clutch Kit KTM 250 EXC-F 2024 RMS-8313081

    REKLUSE

    $1,039.00
    If you're running a 2024 KTM 250 EXC-F, clutch performance directly impacts your ability to modulate power in technical terrain and sustain consistent engagement under load. The Rekluse RadiusX 4.0 delivers precise power delivery and superior heat...
    11300752
    SKU:
    11300752
    Availability:
    Ships Same Business Day
    Weight:
    3.21 LBS
    $1,039.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch for KTM 450 EXC 2017-2023 RMS-8313082

    Rekluse RadiusX 4.0 Clutch for KTM 450 EXC 2017-2023 RMS-8313082

    REKLUSE

    $1,039.00
    The RadiusX 4.0 delivers the engagement precision and thermal stability demanded by serious KTM 450 EXC riders. This clutch handles extreme loads without slip or fade, keeping power transfer consistent whether you're racing tight single-track or pushing...
    11300753
    SKU:
    11300753
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch KTM 250 EXC-F 2017-2023 RMS-8313085

    Rekluse RadiusX 4.0 Clutch KTM 250 EXC-F 2017-2023 RMS-8313085

    REKLUSE

    $1,039.00
    The Rekluse RadiusX 4.0 Clutch delivers precise throttle response and consistent power delivery across varying riding conditions, critical for maintaining traction and control on technical terrain. Built with high-temperature materials and an optimized...
    11300754
    SKU:
    11300754
    Availability:
    Ships Same Business Day
    Weight:
    2.94 LBS
    $1,039.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch for 2024 KTM 250 EXC-F RMS-8313092

    Rekluse RadiusX 4.0 Clutch for 2024 KTM 250 EXC-F RMS-8313092

    REKLUSE

    $1,039.00
    The RadiusX 4.0 delivers the progressive engagement and heat management your 2024 KTM 250 EXC-F demands when you're pushing hard in high-temperature conditions. Rekluse's redesigned friction pads, optimized wedge geometry, and enhanced EXP assembly work...
    11300756
    SKU:
    11300756
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch Kit Husqvarna FE 350 2024 RMS-8313180

    Rekluse RadiusX 4.0 Clutch Kit Husqvarna FE 350 2024 RMS-8313180

    REKLUSE

    $1,039.00
    The Rekluse RadiusX 4.0 clutch transforms throttle response and rider control through advanced friction materials and precision engineering designed for sustained high-temperature performance. Whether you're pushing hard on the track or tackling...
    11300757
    SKU:
    11300757
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    $1,039.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch Gas Gas EC 250 2021-2023 RMS-8317000

    Rekluse RadiusX 4.0 Clutch Gas Gas EC 250 2021-2023 RMS-8317000

    REKLUSE

    $999.00
    If you're running a modern Gas Gas EC 250, clutch feel and heat management directly impact your lap times and ride quality. The Rekluse RadiusX 4.0 addresses both with a redesigned engagement system and advanced friction materials that deliver smoother...
    11300759
    SKU:
    11300759
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    $999.00
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse RadiusX 4.0 Clutch Gas Gas EC 250 2018-2024 RMS-8317001

    Rekluse RadiusX 4.0 Clutch Gas Gas EC 250 2018-2024 RMS-8317001

    REKLUSE

    $999.00
    If you're running a Gas Gas EC 250 and want clutch engagement that matches your precision, the Rekluse RadiusX 4.0 delivers the responsiveness and heat management serious riders demand. This isn't a marginal upgrade—the redesigned internal geometry and...
    11300760
    SKU:
    11300760
    Availability:
    Ships Same Business Day
    Weight:
    3.06 LBS
    $999.00
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Kit for Honda CRF250R 2018-2021 RMS-8901001

    Rekluse RadiusCX 4.0 Clutch Kit for Honda CRF250R 2018-2021 RMS-8901001

    REKLUSE

    $1,449.00
    If you're running a Honda CRF250R, clutch heat and engagement lag directly impact your lap times and trail confidence. The Rekluse RadiusCX 4.0 replaces guesswork with precision—delivering consistent power transfer and reliable modulation even in...
    11300761
    SKU:
    11300761
    Availability:
    Ships Same Business Day
    Weight:
    4.74 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Honda CRF450X 2005-2017 2019-2024 RMS-8901013

    Rekluse RadiusCX 4.0 Clutch Honda CRF450X 2005-2017 2019-2024 RMS-8901013

    REKLUSE

    $1,449.00
    If you're running a CRF450X in serious conditions, clutch performance directly impacts your control, throttle response, and longevity under extreme heat. The Rekluse RadiusCX 4.0 delivers the engagement precision and durability that separates competitive...
    11300767
    SKU:
    11300767
    Availability:
    Ships Same Business Day
    Weight:
    5.64 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Kit Honda CR250R 2002-2007 RMS-8901015

    Rekluse RadiusCX 4.0 Clutch Kit Honda CR250R 2002-2007 RMS-8901015

    REKLUSE

    $1,449.00
    The Rekluse RadiusCX 4.0 transforms your CR250R's clutch response with precision-engineered internals designed to handle the demands of modern 2-stroke performance. If you're running hard in high-temperature conditions and want a clutch that delivers...
    11300769
    SKU:
    11300769
    Availability:
    Ships Same Business Day
    Weight:
    5.62 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Kit Honda CR250R 1994-2001 RMS-8901021

    Rekluse RadiusCX 4.0 Clutch Kit Honda CR250R 1994-2001 RMS-8901021

    REKLUSE

    $1,449.00
    If you're running a CR250R that sees serious track time or demanding trail conditions, clutch performance directly impacts your ability to modulate power and control throttle response. The Rekluse RadiusCX 4.0 addresses the thermal stress and engagement...
    11300772
    SKU:
    11300772
    Availability:
    Ships Same Business Day
    Weight:
    5.61 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Beta 250 RR 2T 2022-2024 RMS-8902022

    Rekluse RadiusCX 4.0 Clutch Beta 250 RR 2T 2022-2024 RMS-8902022

    REKLUSE

    $1,499.00
    The Rekluse RadiusCX 4.0 Clutch delivers precise engagement control and consistent performance in high-temperature racing conditions, eliminating the unpredictable feel of worn OEM clutches. Purpose-built for the Beta 250 RR 2T, this clutch combines...
    11300778
    SKU:
    11300778
    Availability:
    Ships Same Business Day
    Weight:
    5.15 LBS
    $1,499.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,499.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2017-2025 RMS-8902023

    Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2017-2025 RMS-8902023

    REKLUSE

    $1,499.00
    If you're running a Beta 350 RR and want clutch engagement that matches your bike's modern engine characteristics, the Rekluse RadiusCX 4.0 delivers precisely tuned power delivery without the guesswork of manual adjustments. Built with reinforced...
    11300779
    SKU:
    11300779
    Availability:
    Ships Same Business Day
    Weight:
    6.05 LBS
    $1,499.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,499.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2022-2025 RMS-8902025

    Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2022-2025 RMS-8902025

    REKLUSE

    $1,499.00
    If you're running a Beta 350 RR and want to eliminate wheel slip while maintaining crisp throttle response, the Rekluse RadiusCX 4.0 delivers the engagement precision that separates competitive lap times from merely good ones. This clutch system is built...
    11300780
    SKU:
    11300780
    Availability:
    Ships Same Business Day
    Weight:
    5.21 LBS
    $1,499.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,499.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch for 2019 Kawasaki KX250F RMS-8904040

    Rekluse RadiusCX 4.0 Clutch for 2019 Kawasaki KX250F RMS-8904040

    REKLUSE

    $1,449.00
    The Rekluse RadiusCX 4.0 delivers the precise engagement control and durability your KX250F demands on the track or trail. Whether you're pushing through technical terrain or maximizing power transfer in high-RPM situations, this clutch system provides...
    11300788
    SKU:
    11300788
    Availability:
    Ships Same Business Day
    Weight:
    4.97 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Kit Yamaha WR450F 2007-2015 RMS-8907073

    Rekluse RadiusCX 4.0 Clutch Kit Yamaha WR450F 2007-2015 RMS-8907073

    REKLUSE

    $1,449.00
    If you're running a WR450F in demanding terrain, clutch modulation directly impacts your control, durability, and lap times. The Rekluse RadiusCX 4.0 replaces vague engagement with precise power delivery and eliminates heat-related fade that compromises...
    11300799
    SKU:
    11300799
    Availability:
    Ships Same Business Day
    Weight:
    5.93 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    Subtotal:
  • Rekluse RadiusCX 4.0 Clutch Kit for Yamaha YZ450F 2023-2025 RMS-8907076

    Rekluse RadiusCX 4.0 Clutch Kit for Yamaha YZ450F 2023-2025 RMS-8907076

    REKLUSE

    $1,449.00
    The Rekluse RadiusCX 4.0 delivers the precise clutch control and consistent power delivery that separates competitive riders from the rest. Its reinforced internal architecture and proprietary friction design eliminate mushy engagement and drag, giving...
    11300802
    SKU:
    11300802
    Availability:
    Ships Same Business Day
    Weight:
    5.81 LBS
    $1,449.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,449.00
    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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