Dirt Bike Parts
Modern dirt bikes take serious abuse, so the parts on your machine need to match the way you ride. Whether you hit motocross tracks, single-track, or rough enduro terrain, the right dirt bike parts make a huge difference in power, handling, and durability. Riders choose high quality aftermarket components because they outperform stock parts and hold up when the pressure is on. Our selection is built for anyone who wants stronger performance and reliability on every jump, corner, and trail.
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Pro Circuit - CSY19250-CS - Clutch Springs - YZ 250F
PRO CIRCUIT
$83.95Pro Circuit - 11313380 - Clutch Springs - YZ 250FFeaturesMore positive clutch engagementPrevent clutch slippingConsistent spring performanceControl how efficiently your clutch turns power into accelerationSpecsSpring MaterialSteelProduct NameSpring...$83.95 -
Polisport - 8907000002 - Mud Flap - Red - Honda - CRF 250/450 R/RX
POLISPORT
$19.99Polisport - 14200081 - Mud Flap - Red - Honda - CRF 250/450 R/RXFeaturesInjection-molded, quality plastic components with a perfect OEM type fitExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement...$19.99 -
Rekluse - RMS-6312001 - RadiusX Clutch
Rekluse
$869.00Rekluse - 11300456 - RadiusX ClutchFeaturesRadiusX combines TorqDrive friction disk technology with EXP (auto clutch) diskTorqDrive provides more clutch disks in less space, delivering high performance auto function within the framework of the stock...$869.00 -
Psr - 16-04100-24 - Rear Disc Guard - Red
PSR
$118.95Psr - 17030118 - Rear Disc Guard - RedFeaturesMachined from forged aluminumMost come with built-in caliper mountFin can be replaced separately if damagedSpecsProduct NameGuardTypeBrake DiscMaterialAluminumMounting...$118.95 -
Pro Grip - PA070800BL02 - 708 Lock-On Grips - Blue/Black
Pro Grip
$21.62Pro Grip - 06302392 - 708 Lock-On Grips - Blue/BlackFeaturesIncludes carbon fiber compound throttle tubeThrottle cams help match modern motorcyclesSpecsColor/FinishFlatStyleNo WaffleTextureMediumModelV2StyleFlangeBase FinishFlatBase...$21.62 -
Pro Grip - PA070800GFBL - 708 Lock-On Grips - Fluorescent Yellow/Blue
Pro Grip
$21.62Pro Grip - 06302393 - 708 Lock-On Grips - Fluorescent Yellow/BlueFeaturesIncludes carbon fiber compound throttle tubeThrottle cams help match modern motorcyclesSpecsColor/FinishBlueFor Handlebar Diameter Imperial7/8''ModelMXFeaturesIncludes Throttle...$21.62 -
Out of stock
Pro Grip - PA070800RO02 - 708 Lock-On Grips - Red/Black
Pro Grip
$19.15Pro Grip - 06302395 - 708 Lock-On Grips - Red/BlackFeaturesIncludes carbon fiber compound throttle tubeThrottle cams help match modern motorcyclesSpecsFor Handlebar Diameter Imperial7/8''Riding StyleOff-RoadUnitsPairBase ColorBlackModelMXMount...$19.15 -
Out of stock
Rekluse - RMS-2413023 - Slave Cylinder Kit - KTM
Rekluse
$229.00Rekluse - 11321468 - Slave Cylinder Kit - KTMFeaturesDeveloped in partnership with elite racers and teams, it has been proven in the toughest riding environments and at the highest levels of racingRekluse Manual Slave Cylinders feature a hard-anodized...$229.00 -
Out of stock
Rekluse - RMS-2403024 - Slave Cylinder Kit
Rekluse
$229.00Rekluse - 11321466 - Slave Cylinder KitFeaturesDeveloped in partnership with elite racers and teams, it has been proven in the toughest riding environments and at the highest levels of racingRekluse Manual Slave Cylinders feature a hard-anodized billet...$229.00 -
Psr - 13-04102-29 - Rear Disc Guard - Gunmetal
PSR
$118.95Psr - 17030122 - Rear Disc Guard - GunmetalFeaturesMachined from forged aluminumMost come with built-in caliper mountFin can be replaced separately if damagedSpecsProduct NameGuardUnitsEachColor/FinishGunmetalMaterialAluminumMounting...$118.95 -
Polisport - 8907000001 - Mud Flap - Black - Honda - CRF 250/450 R/RX
POLISPORT
$18.99Polisport - 14200080 - Mud Flap - Black - Honda - CRF 250/450 R/RXFeaturesInjection-molded, quality plastic components with a perfect OEM type fitExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement...$18.99 -
Out of stock
Polisport - 90825 - Body Kit - Gray - SX/SX-F/XC-F
POLISPORT
MSRP: $169.99$164.99Polisport - 14032736 - Body Kit - Gray - SX/SX-F/XC-FFeaturesLess prone to scratchesDGP - Durable Gloss Polypropylene, highest levels of resistance and flex while maintaining a superior gloss finish and color brightnessGlossy and flexibleExact replica of...MSRP: $169.99$164.99 -
Polisport - 8555700008 - Fender - Rear - Enduro - White
POLISPORT
$93.99Polisport - 14032650 - Fender - Rear - Enduro - WhiteFeaturesMounting instruction includedSpecsFor FrameStandardMaterialPlasticMaterialPolypropyleneMounting PositionRearProduct NameFenderStyleOE ReplacementColor/FinishWhiteUnitsEachBase ColorWhiteRiding...$93.99 -
Polisport - 8555700003 - Fender - Rear - Enduro - Bultaco Blue
POLISPORT
$93.99Polisport - 14032645 - Fender - Rear - Enduro - Bultaco BlueFeaturesMounting instruction includedSpecsProduct NameFenderMaterialPolypropyleneMaterialPlasticRiding StyleOff-RoadStyleOE ReplacementBase ColorBlueModelEnduroMounting...$93.99 -
Out of stock
Polisport - 8554500003 - Fender - Rear - MX - Bultaco Blue
POLISPORT
$52.99Polisport - 14032637 - Fender - Rear - MX - Bultaco BlueFeaturesInjection molded just like the originalIncludes oval Preston Petty product decal on the fender and an extra in the boxEach fender will have the same original wording and logo as Preston had...$52.99 -
Out of stock
Polisport - 8555600001 - Fender - Front - IB Muder - Pumpkin Orange
POLISPORT
$52.99Polisport - 14032627 - Fender - Front - IB Muder - Pumpkin OrangeFeaturesInjection molded just like the original along with the Preston Petty logoMade to fit a 21" front wheelSpecsMounting PositionFrontRiding StyleOff-RoadMaterialPlasticProduct...$52.99 -
Out of stock
Polisport - 8554500006 - Fender - Rear - MX - Black
POLISPORT
$52.99Polisport - 14032640 - Fender - Rear - MX - BlackFeaturesInjection molded just like the originalIncludes oval Preston Petty product decal on the fender and an extra in the boxEach fender will have the same original wording and logo as Preston had and his...$52.99 -
Polisport - 8561300002 - Fender - Rear - OEM Orange - KTM - EX//SX/XC '03-'07
POLISPORT
$56.99Polisport - 14032608 - Fender - Rear - OEM Orange - KTM - EX//SX/XC '03-'07FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and...$56.99 -
Polisport - 8554600003 - Fender - Rear - Black - RM-Z 250/450
POLISPORT
$31.99Polisport - 14032614 - Fender - Rear - Black - RM-Z 250/450FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Out of stock
Polisport - 8555500007 - Fender - Front - MX - Black
POLISPORT
$62.99Polisport - 14032624 - Fender - Front - MX - BlackFeaturesIncludes oval Preston Petty product decal on the fender and an extra in the boxEach fender will have the same original wording and logo as Preston had and his “Preston Petty Product” oval...$62.99 -
Out of stock
Polisport - 8555500001 - Fender - Front - MX - Orange
POLISPORT
$62.99Polisport - 14032618 - Fender - Front - MX - OrangeFeaturesIncludes oval Preston Petty product decal on the fender and an extra in the boxEach fender will have the same original wording and logo as Preston had and his “Preston Petty Product” oval...$62.99 -
Polisport - 8585400005 - Fender - Rear - Restyle - White - Kawasaki - KX
POLISPORT
$38.99Polisport - 14033802 - Fender - Rear - Restyle - White - Kawasaki - KXFeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$38.99 -
Polisport - 8907100001 - Mud Flap - Black - Suzuki - RM-Z 250/450
POLISPORT
$18.99Polisport - 14033804 - Mud Flap - Black - Suzuki - RM-Z 250/450FeaturesInjection-molded, quality plastic components with a perfect OEM type fitExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock...$18.99 -
Polisport - 90761 - Restyled Body Kit - White - SX 85
POLISPORT
MSRP: $159.99$143.99Polisport - 14032574 - Restyled Body Kit - White - SX 85FeaturesLess prone to scratchesDGP - Durable Gloss Polypropylene, highest levels of resistance and flex while maintaining a superior gloss finish and color brightnessGlossy and flexibleExact replica...MSRP: $159.99$143.99 -
Out of stock
Polisport - 90933 - Restyled Body Kit - OEM Green - KX 125/250
POLISPORT
$226.99Polisport - 14033175 - Restyled Body Kit - OEM Green - KX 125/250FeaturesLess prone to scratchesDGP - Durable Gloss Polypropylene, highest levels of resistance and flex while maintaining a superior gloss finish and color brightnessGlossy and...$226.99 -
Out of stock
Polisport - 8596500005 - Fender - Rear - Aqua Blue - Yamaha - YZ
POLISPORT
$31.99Polisport - 14033798 - Fender - Rear - Aqua Blue - Yamaha - YZFeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8595900004 - Fender - Rear - Gray - KTM - EX/XC '17-'19
POLISPORT
$31.99Polisport - 14033794 - Fender - Rear - Gray - KTM - EX/XC '17-'19FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8595500004 - Fender - Rear - Clear - KTM - SX/XC
POLISPORT
$31.99Polisport - 14033792 - Fender - Rear - Clear - KTM - SX/XCFeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8589000001 - Fender - Rear - OEM Yellow - RM 125/250
POLISPORT
$31.99Polisport - 14033787 - Fender - Rear - OEM Yellow - RM 125/250FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Out of stock
Polisport - 8594000001 - Fender - Rear - OEM White - Honda - XR
POLISPORT
$31.99Polisport - 14033789 - Fender - Rear - OEM White - Honda - XRFeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8588000003 - Fender - Rear - Fluorescent Red - Honda - CR
POLISPORT
$31.99Polisport - 14033786 - Fender - Rear - Fluorescent Red - Honda - CRFeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Out of stock
Polisport - 8579300002 - Fender - Rear - OEM White - Honda - CRF '13-'18
POLISPORT
$31.99Polisport - 14033783 - Fender - Rear - OEM White - Honda - CRF '13-'18FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8568800001 - Fender - Rear - Yellow - RMZ 250 '07-'09
POLISPORT
$31.99Polisport - 14033780 - Fender - Rear - Yellow - RMZ 250 '07-'09FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8565300001 - Fender - Rear - White - Honda - CRF '05-'08
POLISPORT
$31.99Polisport - 14033777 - Fender - Rear - White - Honda - CRF '05-'08FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Out of stock
Polisport - 8565500001 - Fender - Rear - '01 RM Yellow - RMZ 450
POLISPORT
$31.99Polisport - 14033778 - Fender - Rear - '01 RM Yellow - RMZ 450FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$31.99 -
Polisport - 8563200003 - Fender - Rear - '04-'13 OEM Red - Honda - CRF '04-'25
POLISPORT
$16.99Polisport - 14033774 - Fender - Rear - '04-'13 OEM Red - Honda - CRF '04-'25FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and...$16.99 -
Polisport - 8590000016 - Front Fender - OEM Yellow - Suzuki - RM '89-'00
POLISPORT
$30.99Polisport - 14033751 - Front Fender - OEM Yellow - Suzuki - RM '89-'00FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexible Impact and...$30.99 -
Out of stock
Polisport - 8574500006 - Front Fender - Lime Green - Kawasaki - KX '16 -'25
POLISPORT
$30.99Polisport - 14033746 - Front Fender - Lime Green - Kawasaki - KX '16 -'25FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexible Impact and...$30.99 -
Polisport - 8591000010 - Front Fender - OEM Fluorescent Red - Honda - CR '90-'01
POLISPORT
$30.99Polisport - 14033752 - Front Fender - OEM Fluorescent Red - Honda - CR '90-'01FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexible Impact and...$30.99 -
Polisport - 8562900001 - Fender - Rear - Yellow - RMZ 250 '04-'06
POLISPORT
$30.99Polisport - 14033773 - Fender - Rear - Yellow - RMZ 250 '04-'06FeaturesExact replica of stock OEM plastic components but strongerInexpensive alternative to OEM replacement partsStock color match with less fadeGlossy and flexibleImpact and abrasion...$30.99
High Performance Dirt Bike and Motocross Components
Every piece of your dirt bike contributes to how confidently you ride. Upgrading to better engine parts, clutch components, and fuel system pieces gives you stronger acceleration and cleaner throttle response when the track gets rough. Suspension upgrades like fork springs, seals, shock components, and linkage parts help your bike stay predictable through whoops, ruts, and landings. Controls matter just as much, so riders improve their cockpit with new handlebars, grips, levers, and foot pegs that boost comfort and precision at high speed.
Performance braking and drive components can completely transform how a dirt bike handles. Rotors, pads, chains, sprockets, wheel bearings, and hardware all play a role in keeping traction consistent and stopping power reliable. Even routine maintenance items like air filters, spark plugs, fluids, cables, and gaskets impact how well your bike performs under load. Quality parts help you ride longer, harder, and with more confidence, whether you are chasing lap times or carving your favorite trails.
Our goal is simple. Give riders access to dirt bike parts that hold up to real riding conditions and deliver true performance gains. When you twist the throttle, charge a jump, or slam into a corner, you should trust that every component on your bike can take the hit and keep going. Explore our full lineup of dirt bike and motocross parts and build a machine that is ready for whatever you throw at it.