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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
  • Hinson Racing Clutch Plate Kit Steel Honda CRF250R 2022-2024 SP129-8-001 Hinson Racing Clutch Plate Kit Steel Honda CRF250R 2022-2024 SP129-8-001

    Hinson Racing Clutch Plate Kit Steel Honda CRF250R 2022-2024 SP129-8-001

    HINSON RACING

    $89.99
    Stock clutch plates wear quickly under competitive riding and aggressive throttle inputs, leading to slipping and delayed power delivery. The Hinson Racing Clutch Plate Kit delivers precision-engineered steel friction surfaces that restore engagement...
    11313877
    SKU:
    11313877
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    $89.99
    Qty in Cart: 0
    Quantity:
    Price:
    $89.99
    Subtotal:
  • Hinson Racing Clutch Basket for Honda CRF250R 2022-2023 H894-B-2201

    Hinson Racing Clutch Basket for Honda CRF250R 2022-2023 H894-B-2201

    HINSON RACING

    $299.99
    If you're running a CRF250R or RX in competition or high-intensity trail riding, clutch heat fade and inconsistent engagement will cost you lap time and reliability. The Hinson Racing Clutch Basket delivers precise clutch control and extended component...
    11321637
    SKU:
    11321637
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    $299.99
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
    Subtotal:
  • Hinson Racing Inner Clutch Hub for Honda CRF250R 2022-2025 H894-IH-2201 Hinson Racing Inner Clutch Hub for Honda CRF250R 2022-2025 H894-IH-2201

    Hinson Racing Inner Clutch Hub for Honda CRF250R 2022-2025 H894-IH-2201

    HINSON RACING

    $319.99
    Stock clutch hubs generate excessive heat during aggressive riding and racing, leading to premature wear and inconsistent performance. The Hinson Racing Inner Clutch Hub dissipates that heat efficiently while maintaining precise tolerances, giving you a...
    11321638
    SKU:
    11321638
    Availability:
    Ships Same Business Day
    Weight:
    1.14 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $319.99
    Subtotal:
  • RK 520 MXZ5 - Chain - 116 Links - Gold GB520MXZ5-116

    RK 520 MXZ5 - Chain - 116 Links - Gold GB520MXZ5-116

    RK

    $146.12
    If you're serious about track performance, chain durability directly impacts your power delivery and reliability under sustained high-RPM conditions. The RK 520 MXZ5 delivers chromoly construction with reinforced pins that resist wear far beyond standard...
    12210423
    SKU:
    12210423
    Availability:
    Ships Same Business Day
    Weight:
    3.65 LBS
    $146.12
    Qty in Cart: 0
    Quantity:
    Price:
    $146.12
    Subtotal:
  • RK 520 MXZ5 - Connecting Link - Clip - Gold GB520MXZ5-CL

    RK 520 MXZ5 - Connecting Link - Clip - Gold GB520MXZ5-CL

    RK

    $5.72
    A quality connecting link is essential for reliable chain assembly and maintenance on high-performance applications. The RK 520 MXZ5 clip-type connecting link delivers consistent engagement and secure closure, eliminating weak points in your drivetrain...
    12250767
    SKU:
    12250767
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    $5.72
    Qty in Cart: 0
    Quantity:
    Price:
    $5.72
    Subtotal:
  • RK 520 MXZ5 - Chain - 120 Links - Gold GB520MXZ5-120

    RK 520 MXZ5 - Chain - 120 Links - Gold GB520MXZ5-120

    RK

    $151.15
    If you're running high-RPM applications or competitive racing where chain wear directly impacts reliability, the RK 520 MXZ5 delivers the durability you need. Chromoly steel construction combined with reinforced chromized pins provides superior wear...
    12210424
    SKU:
    12210424
    Availability:
    Ships Same Business Day
    Weight:
    3.80 LBS
    $151.15
    Qty in Cart: 0
    Quantity:
    Price:
    $151.15
    Subtotal:
  • ACERBIS Chain Slider - Black - SX/TC/MC 65 2976180001

    ACERBIS Chain Slider - Black - SX/TC/MC 65 2976180001

    ACERBIS

    $43.95
    Chain contact with your swingarm creates unnecessary wear, noise, and potential damage that compromises drivetrain efficiency. The ACERBIS Chain Slider is a direct-replacement guard that keeps your chain properly positioned and protected during...
    05203859
    SKU:
    05203859
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    $43.95
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • ACERBIS Chain Guide - Black - CRF300L 2975000001

    ACERBIS Chain Guide - Black - CRF300L 2975000001

    ACERBIS

    $76.95
    The ACERBIS Chain Guide for CRF300L protects your drivetrain from debris, mud, and chain slap while maintaining precise alignment during aggressive riding. A direct replacement design means straightforward installation without modification—get back to...
    05203856
    SKU:
    05203856
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    $76.95
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • ACERBIS Chain Guide - Red - CRF300L 2975000004

    ACERBIS Chain Guide - Red - CRF300L 2975000004

    ACERBIS

    $76.95
    A worn or damaged chain guide compromises both drivetrain efficiency and longevity, increasing wear on your sprockets and chain. The ACERBIS Chain Guide for CRF300L restores proper chain alignment and reduces lateral deflection, protecting your...
    05203857
    SKU:
    05203857
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $76.95
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • Rekluse TorqDrive Clutch Pack Yamaha YZ450F 2023-2024 RMS-2807176

    Rekluse TorqDrive Clutch Pack Yamaha YZ450F 2023-2024 RMS-2807176

    REKLUSE

    $409.00
    If you're running a 2023-2024 YZ450F in competition or high-demand trail conditions, stock clutch capacity becomes a limiting factor—especially when you're pushing hard through the powerband. The Rekluse TorqDrive upgrades your friction disk count to 10...
    11313879
    SKU:
    11313879
    Availability:
    Ships Same Business Day
    Weight:
    2.46 LBS
    $409.00
    Qty in Cart: 0
    Quantity:
    Price:
    $409.00
    Subtotal:
  • Hinson Racing Billetproof Inner Hub Yamaha YZ450F 2023-2025 H616-IH-2301

    Hinson Racing Billetproof Inner Hub Yamaha YZ450F 2023-2025 H616-IH-2301

    HINSON RACING

    $339.99
    Your YZ450F's clutch system endures extreme heat and stress during aggressive riding—stock inner hubs wear quickly and compromise engagement consistency. The Hinson Billetproof Inner Hub eliminates these issues by dissipating heat more effectively and...
    11321850
    SKU:
    11321850
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    $339.99
    Qty in Cart: 0
    Quantity:
    Price:
    $339.99
    Subtotal:
  • Hinson Racing Billetproof Pressure Plate Yamaha YZ450F 2023-2025 H616-PP-2301

    Hinson Racing Billetproof Pressure Plate Yamaha YZ450F 2023-2025 H616-PP-2301

    HINSON RACING

    $219.99
    Your YZ450F's clutch assembly needs a pressure plate that can withstand the thermal cycling and mechanical stress of competitive riding without compromising engagement feel or reliability. The Hinson Billetproof eliminates the flex and deflection that...
    11321851
    SKU:
    11321851
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • JT SPROCKETS Countershaft Sprocket - 16 Tooth - KLR 650 JTF511.16RB

    JT SPROCKETS Countershaft Sprocket - 16 Tooth - KLR 650 JTF511.16RB

    JT SPROCKETS

    $20.00
    A worn or damaged countershaft sprocket compromises power delivery and accelerates wear across your entire drivetrain. This JT Sprockets 16-tooth replacement restores precise engagement with your chain, ensuring smooth acceleration and reliable...
    12102757
    SKU:
    12102757
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    $20.00
    Qty in Cart: 0
    Quantity:
    Price:
    $20.00
    Subtotal:
  • RK 428 MXZ1 - Connecting Link - Clip - Natural 428MXZ1-CL

    RK 428 MXZ1 - Connecting Link - Clip - Natural 428MXZ1-CL

    RK

    $4.66
    A worn or damaged connecting link compromises your chain's structural integrity and can lead to catastrophic failure at high RPM. The RK 428 MXZ1 Connecting Link provides a reliable replacement that restores your chain to factory specifications without...
    12250740
    SKU:
    12250740
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $4.66
    Qty in Cart: 0
    Quantity:
    Price:
    $4.66
    Subtotal:
  • On Sale
     WORKS CONNECTION Elite Axle Block Kit - Silver - Gas Gas/Husqvarna/KTM 17-316

    WORKS CONNECTION Elite Axle Block Kit - Silver - Gas Gas/Husqvarna/KTM 17-316

    WORKS CONNECTION

    MSRP: $108.95
    Now: $70.00
    Was: $108.95
    If you're running a fixed axle setup, you're leaving traction and handling on the table. The WORKS CONNECTION Elite Axle Block Kit converts your stock design to a true floating axle system, giving you the suspension compliance and grip that separates...
    12311670
    SKU:
    12311670
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MSRP: $108.95
    Now: $70.00
    Was: $108.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $108.95
    Now: $70.00
    Was: $108.95
    Subtotal:
  •  WORKS CONNECTION Elite Axle Block Kit - Blue - Gas Gas/Husqvarna/KTM 17-251

    WORKS CONNECTION Elite Axle Block Kit - Blue - Gas Gas/Husqvarna/KTM 17-251

    WORKS CONNECTION

    $108.95
    Stock fixed axle designs limit your bike's ability to manage weight transfer and traction under acceleration. The WORKS CONNECTION Elite Axle Block Kit converts your suspension to a floating axle system, improving grip and handling while maintaining...
    12311666
    SKU:
    12311666
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  •  WORKS CONNECTION Elite Axle Block Kit - Red - Gas Gas/Husqvarna/KTM 17-256

    WORKS CONNECTION Elite Axle Block Kit - Red - Gas Gas/Husqvarna/KTM 17-256

    WORKS CONNECTION

    $108.95
    Factory axle blocks limit your dirt bike's traction potential and chain alignment precision. The WORKS CONNECTION Elite Axle Block Kit converts your fixed axle design to a floating system, dramatically improving rear-wheel grip and handling...
    12311667
    SKU:
    12311667
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $108.95
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  •  WORKS CONNECTION Elite Axle Block Kit - Black - Gas Gas/Husqvarna/KTM 17-261

    WORKS CONNECTION Elite Axle Block Kit - Black - Gas Gas/Husqvarna/KTM 17-261

    WORKS CONNECTION

    $108.95
    Stock axle blocks limit your bike's ability to transfer power efficiently through corners and technical terrain. The WORKS CONNECTION Elite Axle Block Kit converts your fixed axle design to a floating system, giving you measurably improved traction and...
    12311668
    SKU:
    12311668
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    $108.95
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  • Renthal Ultralight Rear Sprocket 49T Aluminum for Suzuki 123U-520-49GPHA

    Renthal Ultralight Rear Sprocket 49T Aluminum for Suzuki 123U-520-49GPHA

    RENTHAL

    $103.95
    Unsprung weight directly impacts your bike's acceleration, handling, and responsiveness—the Renthal Ultralight Rear Sprocket eliminates 66% of the mass of a steel equivalent, translating to measurable gains in both trail performance and competitive lap...
    12112771
    SKU:
    12112771
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    $103.95
    Qty in Cart: 0
    Quantity:
    Price:
    $103.95
    Subtotal:
  • Renthal 51 Tooth Aluminum Rear Sprocket for Suzuki 123U-520-51GPHA

    Renthal 51 Tooth Aluminum Rear Sprocket for Suzuki 123U-520-51GPHA

    RENTHAL

    $103.95
    Shed unsprung weight without sacrificing durability. The Renthal 51-tooth aluminum rear sprocket reduces rotational mass by 66% compared to steel, translating to sharper throttle response, quicker acceleration, and improved handling dynamics—critical...
    12112773
    SKU:
    12112773
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $103.95
    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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