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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

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  • Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913191

    Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913191

    REKLUSE

    $1,499.00
    If you're running a KTM 250 EXC-F in demanding terrain or high-temperature conditions, clutch heat and engagement inconsistency will cost you lap time and reliability. The Rekluse RadiusCX 4.0 addresses this with a fundamentally redesigned internal...
    11300858
    SKU:
    11300858
    Availability:
    Ships Same Business Day
    Weight:
    3.57 LBS
    $1,499.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,499.00
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  • Rekluse RadiusX 4.0 Clutch Yamaha MT-07 2014-2024 RMS-8307007

    Rekluse RadiusX 4.0 Clutch Yamaha MT-07 2014-2024 RMS-8307007

    REKLUSE

    $969.00
    If you're running a high-revving Yamaha MT-07, clutch response and heat management directly impact your lap times and overall reliability. The Rekluse RadiusX 4.0 delivers precise engagement control and superior durability through advanced friction...
    11300864
    SKU:
    11300864
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    $969.00
    Qty in Cart: 0
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    Price:
    $969.00
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  • Rekluse EXP 4.0 Clutch Kit for Yamaha YZ65 2020-2025 RMS-8707072

    Rekluse EXP 4.0 Clutch Kit for Yamaha YZ65 2020-2025 RMS-8707072

    REKLUSE

    $1,059.00
    The Rekluse EXP 4.0 eliminates the learning curve of clutch modulation on your YZ65, letting younger riders focus entirely on line choice and throttle control instead of managing stall-prone engagement. This auto clutch system automatically adjusts to...
    11300865
    SKU:
    11300865
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    $1,059.00
    Qty in Cart: 0
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    Price:
    $1,059.00
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  • RENTHAL Renthal Fatbar 849 Handlebar 741mm Width 79mm Height 71mm Rise Black 849-01-BK

    Renthal Fatbar 849 Handlebar 741mm Width 79mm Height 71mm Rise Black 849-01-BK

    RENTHAL

    $128.11
    If you're running a 2021 KTM, GasGas, or Husqvarna 65, upgrading to the Renthal Fatbar 849 delivers precise control and confidence through every section of track. The braceless 7010-T6 aluminum construction shaves weight without sacrificing the strength...
    06016319
    SKU:
    06016319
    Availability:
    Ships Same Business Day
    Weight:
    1.76 LBS
    Qty in Cart: 0
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    $128.11
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  • RENTHAL Renthal 7/8" Enduro Medium Handlebar Black 31" Width 2-3/8" Rise 2-3/4" Sweep 664-04-BK-01-185

    Renthal 7/8" Enduro Medium Handlebar Black 31" Width 2-3/8" Rise 2-3/4" Sweep 664-04-BK-01-185

    RENTHAL

    $113.72
    If you're pushing your enduro bike to its limits, handlebar durability and control directly impact your ability to maintain precision through technical terrain. The Renthal 664 Enduro Medium handlebar combines aerospace-grade aluminum with a braced...
    06016019
    SKU:
    06016019
    Availability:
    Ships Same Business Day
    Weight:
    1.96 LBS
    $113.72
    Qty in Cart: 0
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    $113.72
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  • RENTHAL Renthal Fatbar 829 Trials 110 Black 1-1/8" Handlebar 829-01-BK

    Renthal Fatbar 829 Trials 110 Black 1-1/8" Handlebar 829-01-BK

    RENTHAL

    $128.11
    The Renthal Fatbar 829 Trials 110 is built for trials riders who demand precise control without sacrificing lightweight performance. Its braceless 7010-T6 aluminum construction delivers the rigidity needed for technical maneuvers while the 1-1/8"...
    06015448
    SKU:
    06015448
    Availability:
    Ships Same Business Day
    Weight:
    1.72 LBS
    $128.11
    Qty in Cart: 0
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    $128.11
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  • UFO Rear Mud Plate - Black KA04765#001 UFO Rear Mud Plate - Black KA04765#001

    UFO Rear Mud Plate - Black KA04765#001

    UFO

    $13.95
    Protect your vehicle's undercarriage from mud, rocks, and debris without adding unnecessary weight or complexity. This mud plate bolts on securely with pre-drilled holes, keeping your rear end clean and shielded during aggressive driving or off-road...
    14034034
    SKU:
    14034034
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $13.95
    Qty in Cart: 0
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    $13.95
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  • UFO Body Kit - Gold - Honda - CRF 250R/450R HOKIT125F@24

    UFO Body Kit - Gold - Honda - CRF 250R/450R HOKIT125F@24

    UFO

    $152.95
    Whether you're recovering from a crash or refreshing your CRF's appearance, the UFO Body Kit delivers OEM-quality aesthetics without compromising fitment. Pre-drilled mounting points eliminate guesswork and reduce installation time to just a few hours...
    14034084
    SKU:
    14034084
    Availability:
    Ships Same Business Day
    Weight:
    5.75 LBS
    $152.95
    Qty in Cart: 0
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    Price:
    $152.95
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  • UFO Body Kit - Gold - Yamaha - YZ 250F/450F YAKIT326F@24

    UFO Body Kit - Gold - Yamaha - YZ 250F/450F YAKIT326F@24

    UFO

    $164.95
    Whether you're prepping for a race weekend or refreshing a well-worn YZ, the UFO Body Kit restores factory aesthetics while protecting critical components from impact and debris. This Italian-made kit delivers the OEM appearance your bike needs without...
    14034085
    SKU:
    14034085
    Availability:
    Ships Same Business Day
    Weight:
    6.54 LBS
    $164.95
    Qty in Cart: 0
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    $164.95
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  • UFO Body Kit - Gold - Husqvarna HUKIT627F@24

    UFO Body Kit - Gold - Husqvarna HUKIT627F@24

    UFO

    $199.95
    Protect your Husqvarna's bodywork from trail debris and track hazards while maintaining a cohesive aesthetic that matches your bike's factory finish. This complete body kit gives you the coverage and durability needed for serious riding without requiring...
    14034087
    SKU:
    14034087
    Availability:
    Ships Same Business Day
    Weight:
    6.83 LBS
    $199.95
    Qty in Cart: 0
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    $199.95
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  • UFO Body Kit - Gold/Black - KTM '23-'24 KTKIT529F@24

    UFO Body Kit - Gold/Black - KTM '23-'24 KTKIT529F@24

    UFO

    $195.95
    A damaged or stock plastic bodywork can compromise both aesthetics and aerodynamic efficiency on your KTM. This UFO Body Kit delivers a complete visual upgrade with precision-engineered components that bolt directly to your frame—no fabrication required...
    14034088
    SKU:
    14034088
    Availability:
    Ships Same Business Day
    Weight:
    6.44 LBS
    $195.95
    Qty in Cart: 0
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    $195.95
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  • UFO Body Kit - Gold/Black - KTM '24 KTKIT530F@24

    UFO Body Kit - Gold/Black - KTM '24 KTKIT530F@24

    UFO

    $202.95
    A quality body kit transforms your bike's appearance while protecting critical components from track debris and weather exposure. The UFO Body Kit delivers OEM-quality fitment and durability without the custom fabrication costs or extended downtime. Get...
    14034089
    SKU:
    14034089
    Availability:
    Ships Same Business Day
    Weight:
    6.48 LBS
    $202.95
    Qty in Cart: 0
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    $202.95
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  • UFO Chain Guide - Black - KX 450 KA04766#001

    UFO Chain Guide - Black - KX 450 KA04766#001

    UFO

    $24.95
    A worn chain guide compromises power delivery and accelerates wear on your drivetrain—replacing it with a quality aftermarket guide restores precision and extends component lifespan. The UFO Chain Guide delivers OEM-equivalent performance in a durable,...
    12311701
    SKU:
    12311701
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $24.95
    Qty in Cart: 0
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    $24.95
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  • UFO Chain Slider - Black - KX 450 KA04767#001

    UFO Chain Slider - Black - KX 450 KA04767#001

    UFO

    $19.95
    Chain sling and whip can accelerate swingarm wear, creating expensive damage that compounds over time. The UFO Chain Slider shields your swingarm from direct contact with the chain, extending component life and maintaining suspension geometry...
    12311702
    SKU:
    12311702
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $19.95
    Qty in Cart: 0
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    $19.95
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  • On Sale
    UFO Fork Tube Protectors - White KA04763#280 UFO Fork Tube Protectors - White KA04763#280

    UFO Fork Tube Protectors - White KA04763#280

    UFO

    MSRP: $29.95
    Now: $19.00
    Was: $29.95
    Fork tube protectors shield your suspension components from road debris, UV exposure, and abrasion that can compromise both appearance and performance. Protecting your fork tubes extends their service life and maintains the structural integrity of your...
    04120658
    SKU:
    04120658
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MSRP: $29.95
    Now: $19.00
    Was: $29.95
    Qty in Cart: 0
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    Price:
    MSRP: $29.95
    Now: $19.00
    Was: $29.95
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  • AGV Pista GP RR Helmet - Performante - Carbon/Lime - 2XL 2118356002-018-XXL AGV Pista GP RR Helmet - Performante - Carbon/Lime - 2XL 2118356002-018-XXL

    AGV Pista GP RR Helmet - Performante - Carbon/Lime - 2XL 2118356002-018-XXL

    AGV

    $1,779.00
    Track-focused helmet design demands both maximum protection and minimal weight—the AGV Pista GP RR Performante delivers both with FIM-homologated rotational acceleration reduction and 100% carbon fiber construction. Built for professional racers who...
    010117129
    SKU:
    010117129
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    $1,779.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,779.00
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  • BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34501 BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34501

    BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34501

    BRAKING

    $163.95
    Heat dissipation is critical to consistent braking performance, especially under sustained track conditions or aggressive street driving. The S3 Brake Rotor delivers superior thermal management through its wave profile design and oversized 4.5 mm...
    17112276
    SKU:
    17112276
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    $163.95
    Qty in Cart: 0
    Quantity:
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    $163.95
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  • BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34502 BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34502

    BRAKING S3 Brake Rotor - Rear Left/Right - 220 mm S34502

    BRAKING

    $163.95
    Consistent braking performance under extreme heat is non-negotiable in high-performance driving. The BRAKING S3 Rear Brake Rotor delivers the thermal management and structural rigidity needed to maintain stopping power lap after lap, without fade or...
    17112277
    SKU:
    17112277
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    $163.95
    Qty in Cart: 0
    Quantity:
    Price:
    $163.95
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  • BRAKING S3 Brake Rotor - Rear Left/Right - 240 mm S34503 BRAKING S3 Brake Rotor - Rear Left/Right - 240 mm S34503

    BRAKING S3 Brake Rotor - Rear Left/Right - 240 mm S34503

    BRAKING

    $163.95
    Rear brake performance under sustained track conditions demands a rotor engineered to dissipate heat without fade or warping. The BRAKING S3 240 mm rear rotor combines wave-profiled cooling channels with a strategically engineered floating/fixed pin...
    17112278
    SKU:
    17112278
    Availability:
    Ships Same Business Day
    Weight:
    2.33 LBS
    $163.95
    Qty in Cart: 0
    Quantity:
    Price:
    $163.95
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  • BRAKING S3 Brake Rotor - Rear Right - 240 mm S34504 BRAKING S3 Brake Rotor - Rear Right - 240 mm S34504

    BRAKING S3 Brake Rotor - Rear Right - 240 mm S34504

    BRAKING

    $163.95
    Sustained braking performance under high-load conditions demands superior heat management and structural rigidity—two areas where compromised rotors fail. The BRAKING S3 Rear Right Rotor delivers the thermal capacity and mechanical stability required for...
    17112279
    SKU:
    17112279
    Availability:
    Ships Same Business Day
    Weight:
    2.28 LBS
    $163.95
    Qty in Cart: 0
    Quantity:
    Price:
    $163.95
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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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