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Dirt Bike

Dirt Bike

Browse over 50,000+ off-roading dirt bike parts and gear ready to be delivered to your doorstep. We offer riding gear & apparel at great prices. Along with parts and tools you need to keep the bike on the track or trails. Shop the biggest names in the motocross industry from Renthal, Dunlop, Thor, Maxima, Pro Circuit, Bill's Pipes, FMF, Excel and so many more. From dirt bike engine parts to new clutches we have what you need to stay one step ahead of your competition. Have a fitment question? reach out to our phone line at (231) 767-5055

  • Product
  • Qty in Cart
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  • Price
  • Subtotal
  •  JT SPROCKETS Rear Sprocket - 47 Tooth - Yamaha JTR251.47

    JT SPROCKETS Rear Sprocket - 47 Tooth - Yamaha JTR251.47

    JT SPROCKETS

    $29.78
    A worn or incorrect sprocket directly impacts your bike's acceleration, top-end speed, and chain wear—making the right rear sprocket critical for any serious rider. The JT Sprockets 47-tooth rear sprocket delivers the durability and precision needed for...
    12101550
    SKU:
    12101550
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    $29.78
    Qty in Cart: 0
    Quantity:
    Price:
    $29.78
    Subtotal:
  •  JT SPROCKETS Rear Sprocket - 40 Tooth - KTM/Husaberg/Husqvarna JTR897.40

    JT SPROCKETS Rear Sprocket - 40 Tooth - KTM/Husaberg/Husqvarna JTR897.40

    JT SPROCKETS

    $30.35
    A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivability—making this one of the most important drivetrain upgrades you can make. The JT Sprockets 40-tooth rear sprocket delivers the strength and...
    12102677
    SKU:
    12102677
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $30.35
    Qty in Cart: 0
    Quantity:
    Price:
    $30.35
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  •  JT SPROCKETS Rear Sprocket - 47 Tooth - KTM/Husaberg/Husqvarna JTR897.47

    JT SPROCKETS Rear Sprocket - 47 Tooth - KTM/Husaberg/Husqvarna JTR897.47

    JT SPROCKETS

    $32.43
    A worn or undersized rear sprocket robs your KTM, Husaberg, or Husqvarna of acceleration and top-end performance. The JT Sprockets 47-tooth rear sprocket restores that lost drive while maintaining the durability you need for serious riding—whether you're...
    12102678
    SKU:
    12102678
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    $32.43
    Qty in Cart: 0
    Quantity:
    Price:
    $32.43
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  •  JT SPROCKETS Rear Sprocket - 44 Tooth - Yamaha JTR1842.44

    JT SPROCKETS Rear Sprocket - 44 Tooth - Yamaha JTR1842.44

    JT SPROCKETS

    $22.58
    A worn or incorrect rear sprocket directly impacts your Yamaha's acceleration, top-end speed, and engine efficiency. The JT Sprockets 44-tooth rear sprocket restores optimal gearing characteristics while delivering the durability needed for consistent...
    12102689
    SKU:
    12102689
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    $22.58
    Qty in Cart: 0
    Quantity:
    Price:
    $22.58
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  •  JT SPROCKETS Rear Sprocket - 47 Tooth - XT 250 JTR1847.47

    JT SPROCKETS Rear Sprocket - 47 Tooth - XT 250 JTR1847.47

    JT SPROCKETS

    $28.70
    A worn or incorrect sprocket directly impacts your XT 250's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 47-tooth rear sprocket is engineered for precise engagement with your chain, delivering consistent power delivery...
    12102690
    SKU:
    12102690
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $28.70
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  •  JT SPROCKETS Rear Sprocket - 51 Tooth - XT 250 JTR1847.51

    JT SPROCKETS Rear Sprocket - 51 Tooth - XT 250 JTR1847.51

    JT SPROCKETS

    $33.80
    A worn or incorrect rear sprocket directly impacts your XT 250's acceleration, top-end speed, and overall drivetrain efficiency. This 51-tooth JT Sprocket delivers the precise gear ratio you need for reliable power delivery, whether you're chasing track...
    12102691
    SKU:
    12102691
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $33.80
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  •  JT SPROCKETS Rear Sprocket - 42 Tooth - Honda/Yamaha JTR245/2.42

    JT SPROCKETS Rear Sprocket - 42 Tooth - Honda/Yamaha JTR245/2.42

    JT SPROCKETS

    $31.33
    A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and overall driveability. The JT Sprockets 42-tooth rear sprocket is engineered to deliver consistent power transfer with minimal drivetrain losses, whether...
    12102698
    SKU:
    12102698
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    $31.33
    Qty in Cart: 0
    Quantity:
    Price:
    $31.33
    Subtotal:
  •  JT SPROCKETS Rear Sprocket - 33 Tooth - CT70 JTR256.33

    JT SPROCKETS Rear Sprocket - 33 Tooth - CT70 JTR256.33

    JT SPROCKETS

    $17.33
    A worn or incorrect rear sprocket directly impacts your CT70's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 33-tooth rear sprocket delivers the precision engineering and durability required for consistent performance,...
    12102701
    SKU:
    12102701
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $17.33
    Qty in Cart: 0
    Quantity:
    Price:
    $17.33
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  •  JT SPROCKETS Rear Sprocket - 43 Tooth - Kawasaki JTR460.43

    JT SPROCKETS Rear Sprocket - 43 Tooth - Kawasaki JTR460.43

    JT SPROCKETS

    $31.08
    A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and engine efficiency. The JT Sprockets 43-tooth rear sprocket is engineered to deliver reliable power transfer with minimal rotational mass, giving you the responsive...
    12102702
    SKU:
    12102702
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    $31.08
    Qty in Cart: 0
    Quantity:
    Price:
    $31.08
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  •  JT SPROCKETS Rear Sprocket - 44 Tooth - Kawasaki JTR460.44

    JT SPROCKETS Rear Sprocket - 44 Tooth - Kawasaki JTR460.44

    JT SPROCKETS

    $31.08
    A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 44-tooth rear sprocket delivers the strength and precision you need to handle aggressive riding without...
    12102703
    SKU:
    12102703
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    $31.08
    Qty in Cart: 0
    Quantity:
    Price:
    $31.08
    Subtotal:
  •  JT SPROCKETS Rear Sprocket - 48 Tooth - Suzuki JTR811.48

    JT SPROCKETS Rear Sprocket - 48 Tooth - Suzuki JTR811.48

    JT SPROCKETS

    $32.88
    A worn or incorrect rear sprocket directly impacts your Suzuki's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket delivers the durability and precision needed for consistent power delivery, whether...
    12102720
    SKU:
    12102720
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    $32.88
    Qty in Cart: 0
    Quantity:
    Price:
    $32.88
    Subtotal:
  •  JT SPROCKETS Rear Sprocket - 40 Tooth - XT600 JTR857.40

    JT SPROCKETS Rear Sprocket - 40 Tooth - XT600 JTR857.40

    JT SPROCKETS

    $27.85
    A worn or incorrect rear sprocket directly impacts your XT600's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 40-tooth rear sprocket delivers the precision engineering and durability you need to maintain consistent...
    12102737
    SKU:
    12102737
    Availability:
    Ships Same Business Day
    Weight:
    1.53 LBS
    $27.85
    Qty in Cart: 0
    Quantity:
    Price:
    $27.85
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 12 Tooth JTF430.12

    JT SPROCKETS Countershaft Sprocket - 12 Tooth JTF430.12

    JT SPROCKETS

    $11.88
    A properly sized countershaft sprocket is critical to maximizing your engine's power delivery and achieving optimal gear ratios for your specific application. The JT Sprockets 12-tooth countershaft sprocket is computer-designed to deliver maximum...
    12120115
    SKU:
    12120115
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    $11.88
    Qty in Cart: 0
    Quantity:
    Price:
    $11.88
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husaberg/KTM JTF1901.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husaberg/KTM JTF1901.15

    JT SPROCKETS

    $12.75
    A worn or damaged countershaft sprocket robs your Husaberg or KTM of efficient power transfer and increases drivetrain wear across the entire transmission system. This 15-tooth JT sprocket delivers precise engagement and reliable durability through its...
    12120222
    SKU:
    12120222
    Availability:
    Ships Same Business Day
    Weight:
    0.37 LBS
    $12.75
    Qty in Cart: 0
    Quantity:
    Price:
    $12.75
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF823.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF823.14

    JT SPROCKETS

    $14.15
    A properly sized countershaft sprocket is critical to optimizing your drivetrain's power delivery and acceleration characteristics. The JT Sprockets 14-tooth design delivers the strength and precision needed for high-RPM applications without adding...
    12120231
    SKU:
    12120231
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    $14.15
    Qty in Cart: 0
    Quantity:
    Price:
    $14.15
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 15 Tooth JTF327.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth JTF327.15

    JT SPROCKETS

    $14.23
    A worn or undersized countershaft sprocket robs your motorcycle of crisp throttle response and efficient power delivery. The JT Sprockets 15-tooth countershaft sprocket delivers reliable engagement and precise gear ratios, giving you the mechanical...
    12120571
    SKU:
    12120571
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $14.23
    Qty in Cart: 0
    Quantity:
    Price:
    $14.23
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda/Kawasaki JTF273.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda/Kawasaki JTF273.14

    JT SPROCKETS

    $7.20
    A worn or damaged countershaft sprocket directly impacts acceleration, engine response, and drivetrain efficiency—especially in racing applications where precise power delivery matters. This JT Sprockets 14-tooth countershaft sprocket delivers the...
    12120787
    SKU:
    12120787
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $7.20
    Qty in Cart: 0
    Quantity:
    Price:
    $7.20
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Yamaha JTF548.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Yamaha JTF548.14

    JT SPROCKETS

    $7.20
    A worn or damaged countershaft sprocket directly impacts your power delivery and throttle response. This OEM-spec JT Sprocket delivers the precise engagement and durability you need to maintain consistent acceleration without slippage or premature wear...
    12120789
    SKU:
    12120789
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $7.20
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 15 Tooth - KLX150L JTF273.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth - KLX150L JTF273.15

    JT SPROCKETS

    $7.20
    A worn or damaged countershaft sprocket directly impacts your KLX150L's acceleration, chain tension, and overall drivetrain efficiency. This OEM-specification replacement restores proper gear engagement and power delivery, whether you're racing or...
    12120793
    SKU:
    12120793
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $7.20
    Qty in Cart: 0
    Quantity:
    Price:
    $7.20
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda JTF277.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda JTF277.14

    JT SPROCKETS

    $7.20
    The countershaft sprocket is critical to your Honda's acceleration curve and throttle response—choose the wrong tooth count and you're leaving performance on the table. This 14-tooth JT sprocket shifts the power delivery band to favor aggressive...
    12120933
    SKU:
    12120933
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $7.20
    Qty in Cart: 0
    Quantity:
    Price:
    $7.20
    Subtotal:
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Adding your products to cart

Dirt Bike Parts
Whether you're an avid motocross racer or a weekend off-road enthusiast, having the right dirt bike parts can make all the difference in performance and durability. Below are some key categories of dirt bike parts that can help you keep your machine in top condition and enhance your riding experience.

 

Dirt Bike Exhaust Parts
Dirt bike exhaust parts are crucial for optimizing your bike's performance. A high-quality exhaust system can improve your bike's power output and overall efficiency. From full exhaust systems to mufflers and silencers, the right components can not only boost performance but also provide the perfect sound that suits your style.

 

MX Dirt Bike Aftermarket Parts
MX dirt bike aftermarket parts include a wide range of components designed to replace and upgrade your bike's stock parts. Whether you're looking for enhanced suspension systems, robust brake components, or stylish handlebars, aftermarket parts offer the customization options needed to tailor your bike to your specific riding preferences and needs.

 

2-Stroke Dirt Bike Engine Parts
For those riding 2-stroke dirt bikes, having access to reliable engine parts is essential. This category includes everything from pistons and cylinders to carburetors and gaskets. Quality engine parts ensure that your bike runs smoothly and efficiently, providing the power and performance you need on the track or trail.

 

Motocross Dirt Bike Parts
Motocross dirt bike parts span a broad array of components designed for competitive racing and hardcore riding. This includes advanced suspension systems, heavy-duty tires, reinforced frames, and high-performance braking systems. Essential for riders who push their bikes to the limits, these parts help ensure safety, reliability, and peak performance.

 

Oils
Selecting the right oils for your dirt bike is crucial for maintaining engine health and performance. From engine oils to transmission fluids and fork oils, high-quality lubricants reduce friction and wear, extending the life of your engine and other key components. Ensuring that you're using the proper oils can lead to a smoother and more reliable riding experience.

 

 

Whether you’re riding tracks, trails, or hare scrambles we have the perfect dirt bike aftermarket accessory or part for ripping holeshots and riding through the woods, look no further than JJ Motorsports. With a full selection of four-stroke and two-stroke pipes as well as tools to keep your ride running smoothly from headlight bulbs all the way down to oil changes, we have what it takes! Need replacement parts for upgrades? We have the latest aftermarket parts to replace clutches, top-end kits, and forks from popular brands.


We carry general maintenance products like engine oils and coolants, in addition, we have a large selection of parts for bike-specific applications for a certain year, make, and model. 


We at JJ Motorsports know that finding the right parts can be a pain, which is why we handpick every single one of our dirt bike components. No more guessing games or getting stuck with parts from other places! Our team has been in this industry for years so if you need help just call them at 1-231-767-5055 and they'll provide advice based on their personal experience as well as history within motorsports retailing - guaranteed to get things taken care of quickly without sacrificing quality.
 
Motocross Classes Common at Races
Popular motocross racing divisions/classes across the United States include:
Open Classes
250 A/B/C
Schoolboy/College Boy
Supermini
85cc
65cc
50cc 
 
Dirt Bike Racing for Beginners and Pro-Am's
AMA - American Motorcyclist Association
 
Popular Amateur Nationals and Series
Loretta Lynns MX Racing Nationals
Winter Olympics Mini O’s 
Baja Acres Baja Brawl
Kicker AMA Areanacross Championship
Midsouth Areanacross
The MotoPlayGround Race at Ponca City

and many more!
 
JJ Motorsports offers fast and free shipping on orders over $99 for aftermarket dirt bike parts and accessories delivered right to you!

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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