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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Out of stock
Supersprox - RAL-4-46-BLK - Rear Sprocket - Black - Husqvarna/KTM - 46 Tooth
SuperSprox
$64.95Supersprox - 12111940 - Rear Sprocket - Black - Husqvarna/KTM - 46 ToothFeaturesFully CNC machined for a perfect fitGrooved teeth prevent dirt build up, helping to maximize sprocket and chain...$64.95 -
Out of stock
Supersprox - RAL-245-51-BLU - Rear Sprocket - Blue - Yamaha - 51 Tooth
SuperSprox
$69.95Supersprox - 12111935 - Rear Sprocket - Blue - Yamaha - 51 ToothFeaturesFully CNC machined for a perfect fitGrooved teeth prevent dirt build up, helping to maximize sprocket and chain lifeFinished...$69.95 -
Supersprox - RAL-460-50-BLK - Rear Sprocket - Black - Kawasaki/Suzuki - 50 Tooth
SuperSprox
$69.95Supersprox - 12111945 - Rear Sprocket - Black - Kawasaki/Suzuki - 50 ToothFeaturesFully CNC machined for a perfect fitGrooved teeth prevent dirt build up, helping to maximize sprocket and chain...$69.95 -
Out of stock
Supersprox - RAL-210-52-RED - Rear Sprocket - Red - Honda - 52 Tooth
SuperSprox
$74.95Supersprox - 12111927 - Rear Sprocket - Red - Honda - 52 ToothFeaturesFully CNC machined for a perfect fitGrooved teeth prevent dirt build up, helping to maximize sprocket and chain lifeFinished with...$74.95 -
Shindy - 03-879 - Carburetor Repair Kit - Fits 1998-1999 Yamaha YZ400F
Shindy
$45.95Shindy - 10031241 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$45.95 -
Out of stock
Shindy - 03-873 - Carburetor Repair Kit - Fits 1991-2006 Yamaha PW80
Shindy
$33.95Shindy - 10031235 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$33.95 -
Shindy - 03-868 - Carburetor Repair Kit - Fits 2006-2007 Yamaha TTR-125/125L
Shindy
$50.95Shindy - 10031230 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$50.95 -
Shindy - 03-867 - Carburetor Repair Kit - Fits 2006-2009 Yamaha TTR-50E
Shindy
$48.95Shindy - 10031229 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$48.95 -
Out of stock
Shindy - 03-863 - Carburetor Repair Kit - Fits 2000-2002 Yamaha YZ426F
Shindy
$40.95Shindy - 10031225 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$40.95 -
Out of stock
Shindy - 03-865 - Carburetor Repair Kit - Fits 2005-2009 Yamaha YZ450F
Shindy
$40.95Shindy - 10031227 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$40.95 -
Out of stock
Shindy - 03-861 - Carburetor Repair Kit - Fits 2003-2006 Yamaha YZ250F
Shindy
$40.95Shindy - 10031223 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$40.95 -
Out of stock
Supersprox - RST-990-48-GLD - Stealth Rear Sprocket - 48 Tooth - Gold - Husaberg/Husqvarna/KTM
SuperSprox
MSRP: $119.95$109.95Supersprox - 12102056 - Stealth Rear Sprocket - 48 Tooth - Gold - Husaberg/Husqvarna/KTMFeaturesSteel teeth last 4 times longer than aluminumPound-for-pound, the strongest sprocket on the marketThe...MSRP: $119.95$109.95 -
Out of stock
Supersprox - RST-990-49-BLU - Stealth Rear Sprocket - 49 Tooth - Blue - Husaberg/Husqvarna/KTM
SuperSprox
MSRP: $119.95$109.95Supersprox - 12102068 - Stealth Rear Sprocket - 49 Tooth - Blue - Husaberg/Husqvarna/KTMFeaturesSteel teeth last 4 times longer than aluminumPound-for-pound, the strongest sprocket on the marketThe...MSRP: $119.95$109.95 -
Shindy - 03-852 - Carburetor Repair Kit - Fits 2002-2005 Yamaha YZ85
Shindy
$27.95Shindy - 10031215 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$27.95 -
Out of stock
Shindy - 03-856 - Carburetor Repair Kit - Fits 2002-2006 Yamaha YZ250
Shindy
$31.95Shindy - 10031219 - Carburetor Repair Kit - YamahaFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$31.95 -
Shindy - 03-804 - Carburetor Repair Kit - Fits 2007-2009 Suzuki RM-Z250
Shindy
$40.95Shindy - 10031205 - Carburetor Repair Kit - SuzukiFeaturesAward-winning rubber-top float valves are made using highest quality rubber and a plated body for resistance to harsh gas, ethanol and...$40.95 -
T.M. Designworks - DBF-KTM - Axle Block Flag Holder - KTM/Husqvarna/Husaberg - Multiple Husaberg/Husqvarna/KTM Models
T.M. Designworks
$46.95T.M. Designworks - 12311402 - Axle Block Flag Holder - KTM/Husqvarna/HusabergFeaturesMounts under the grab bar or axle block for extra protectionDoes not come with a flag or flag whip holder.Specs$46.95 -
T.M. Designworks - DBF-H06 - Axle Block Flag Holder - Honda
T.M. Designworks
$46.95T.M. Designworks - 12311401 - Axle Block Flag Holder - HondaFeaturesMounts under the grab bar or axle block for extra protectionDoes not come with a flag or flag whip holder.Specs$46.95 -
T.M. Designworks - YCP-OR6-BK - Chain Guide/Slider - Black - Yamaha
T.M. Designworks
$199.95T.M. Designworks - 12311390 - Chain Guide/Slider - Black - YamahaFeaturesThe dirt cross sliders are made from the TMD compression-injected propriety plasticMost dirt cross sliders have noise-reducing...$199.95 -
T.M. Designworks - SCP-OR2-BK - Chain Guide/Slider - Suzuki - Black - Fits Suzuki 2010-2018 RM-Z250, 2010-2017 RM-Z450
T.M. Designworks
$189.95T.M. Designworks - 12311366 - Chain Guide/Slider - Suzuki - BlackFeaturesThe dirt cross sliders are made from the TMD compression-injected propriety plasticMost dirt cross sliders have noise-reducing...$189.95 -
Out of stock
Scott - 233927-0001 - Radial Half Waffle Grips - Black
Scott
$10.00Scott - 06303024 - Radial Half Waffle Grips - BlackFeaturesSoft palm areaHalf waffle patternIntegrated safety wire channelSpecs$10.00 -
Out of stock
$24.95 -
Out of stock
Prox - 01.1208.A1 - Piston Kit - 53.94 mm - Honda CR125R
Prox
$105.95Prox - PX4240B - Piston Kit - 53.94 mm - Honda CR125RFeaturesCast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close...$105.95 -
Out of stock
Prox - 02.4106 - Ring Set
Prox
$24.95Prox - PX4230R - Ring SetFeaturesSpecsPiston MaterialAluminum AlloyRid$24.95 -
Out of stock
Prox - 02.1208 - Ring Set
Prox
$26.45Prox - PX4210R - Ring SetFeaturesSpecsPiston MaterialAluminum AlloyUni$26.45 -
Out of stock
Prox - 01.4221.A - Piston Kit - 53.96 mm - Kawasaki KX125
Prox
$105.95Prox - PX4221A - Piston Kit - 53.96 mm - Kawasaki KX125FeaturesCast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close...$105.95 -
Out of stock
Prox - 01.1408.025 - Piston Kit - 89.25 mm - Honda CR500R
Prox
$185.95Prox - PX4041 - Piston Kit - 89.25 mm - Honda CR500RFeaturesPrecision machined on state of the art CNC equipmentMade with low expansion, low friction alloyKit includes piston, rings, circlips and...$185.95 -
Prox - 01.1408.000 - Piston Kit - 89.00 mm - Honda CR500R
Prox
$185.95Prox - PX4040 - Piston Kit - 89.00 mm - Honda CR500RFeaturesPrecision machined on state of the art CNC equipmentMade with low expansion, low friction alloyKit includes piston, rings, circlips and...$185.95 -
Out of stock
Prox - 01.2314.C - Piston Kit - 67.96 mm - Yamaha WR250/YZ250
Prox
$129.95Prox - PX7080C - Piston Kit - 67.96 mm - Yamaha WR250/YZ250FeaturesCast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close...$129.95 -
Prox - 01.2314.D - Piston Kit - 67.97 mm - Yamaha WR250/YZ250
Prox
$132.95Prox - PX7080D - Piston Kit - 67.97 mm - Yamaha WR250/YZ250FeaturesCast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close...$132.95 -
Prox - 01.2314.B - Piston Kit - 67.95 mm - Yamaha WR250/YZ250
Prox
$132.95Prox - PX7080B - Piston Kit - 67.95 mm - Yamaha WR250/YZ250FeaturesCast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close...$132.95 -
Prox - 18.1290 - Inner Clutch Hub - Multiple Honda/Husqvarna/KTM Models
Prox
$66.95Prox - 11320059 - Inner Clutch HubFeaturesPrecision cast and machinedSame as OEM replacement; fit both stock and aftermarket primary clutch basketsSpecs$66.95 -
Pro Circuit - FMS07250 - Fuel Mixture Screw - Honda/Kawasaki/KTM/Yamaha - Red - Multiple Models
Pro Circuit
$29.95Pro Circuit - 10500173 - Fuel Mixture Screw - Honda/Kawasaki/KTM/Yamaha - RedFeaturesPro Circuit's fuel mixture screw can be turned by hand (without the use of tools)Fits 4-strokes with Keihin pumper...$29.95 -
Regina - 124RH2/008 - 420 RH2 Series - Chain - 110 Links
Regina
$58.95Regina - 12200281 - 420 RH2 Series - Chain - 110 LinksFeaturesLarger diameter alloy carbon steel pins and thicker plates offer increase tensile strength and fatigue resistanceExtended bushings and...$58.95 -
Regina - 124RH2/00D - 420 RH2 Series - Chain - 120 Links
Regina
$64.95Regina - 12200282 - 420 RH2 Series - Chain - 120 LinksFeaturesLarger diameter alloy carbon steel pins and thicker plates offer increase tensile strength and fatigue resistanceExtended bushings and...$64.95 -
Regina - 135RH2/25FT - 520 RH2 Series - Chain - 25 Feet
Regina
$409.95Regina - 12200104 - 520 RH2 Series - Chain - 25 FeetFeaturesExtended bushings and solid rollers provide improved durabilitySpecs$409.95 -
Pro Filter - AFR-2010-01 - Premium Air Filter - Fits Yamaha 2014-2018 YZ250F, 2016-2018 WR450F, 2014-2017 YZ450F, 2015-2018 YZ450FX
Pro Filter
$13.99Pro Filter - 10113889 - Premium Air Filter - YamahaFeaturesComes complete with disposable glovesDual stage open cell foam matrixPre-oiled with MAXIMA FFT™Plush 13 mm sealing foamSpecs$13.99 -
Regina - 124RH2/012 - 420 RH2 Series - Chain - 130 Links
Regina
$69.95Regina - 12200285 - 420 RH2 Series - Chain - 130 LinksFeaturesLarger diameter alloy carbon steel pins and thicker plates offer increase tensile strength and fatigue resistanceExtended bushings and...$69.95 -
Out of stock
Regina - 135RH2/1018 - 520 RH2 - Drive Chain - 130 Links
Regina
$110.95Regina - 12200103 - 520 RH2 - Drive Chain - 130 LinksFeaturesLarger diameter alloy carbon steel pins and thicker plates offer increased tensile strength and fatigue resistanceExtended bushings and...$110.95 -
Pro Filter - MTX-2010-01 - Premium Air Filter - Fits Yamaha 2020 WR250F, 2014-2018 YZ250F, 2016-2018 WR450F, 2015-2018 YZ450FX
Pro Filter
$26.99Pro Filter - 10113888 - Premium Air Filter - YamahaFeaturesMade from chemical-resistant, high-quality polyester foamReticulation foam offers unsurpassed air flow and filtrationRubber...$26.99
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.