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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On Sale
PROX Inner Clutch Hub - CRF450L/R/X/RX 18.1417
PROX
MSRP: $89.95Now: $76.00Was: $89.95A worn or damaged inner clutch hub compromises power delivery and creates unpredictable engagement in your CRF450. The PROX 18.1417 restores OEM-spec performance with precision-cast construction, ensuring smooth clutch modulation whether you're running...11321870- SKU:
- 11321870
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
MSRP: $89.95Now: $76.00Was: $89.95 -
On Sale
PROX Inner Clutch Hub - CRF450R/RX 18.1421
PROX
MSRP: $93.95Now: $76.00Was: $93.95The inner clutch hub is critical to reliable power transfer in your CRF450R or RX—wear or damage here directly impacts throttle response and overall clutch engagement. PROX delivers a precision-cast and machined hub manufactured to OEM specifications,...11321871- SKU:
- 11321871
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $93.95Now: $76.00Was: $93.95 -
On Sale
PROX Inner Clutch Hub - RM-Z450 18.3421
PROX
MSRP: $99.95Now: $82.00Was: $99.95A worn or damaged inner clutch hub compromises power delivery and creates unpredictable engagement—killing your lap times and putting unnecessary stress on the entire drivetrain. The PROX Inner Clutch Hub for RM-Z450 restores OEM-specification...11321872- SKU:
- 11321872
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $99.95Now: $82.00Was: $99.95 -
On Sale
PROX Inner Clutch Hub - KX250F 18.4348
PROX
MSRP: $77.95Now: $64.00Was: $77.95A worn or damaged inner clutch hub compromises power transfer and can leave you stranded at the track or trailside. The PROX Inner Clutch Hub for KX250F delivers OEM-specification durability with precision casting and machining, ensuring consistent...11321873- SKU:
- 11321873
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
MSRP: $77.95Now: $64.00Was: $77.95 -
On Sale
PROX Inner Clutch Hub - KX250/X 18.4351
PROX
MSRP: $71.95Now: $55.00Was: $71.95The inner clutch hub is a critical wear component that directly impacts power transfer and clutch engagement consistency on your KX250/X. A worn or damaged hub compromises shift quality, increases slippage, and can cascade into premature clutch basket...11321874- SKU:
- 11321874
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $71.95Now: $55.00Was: $71.95 -
On Sale
PROX Inner Clutch Hub - Kawasaki 18.4406
PROX
MSRP: $77.95Now: $64.00Was: $77.95The inner clutch hub is the critical load-bearing component that transfers engine power to your primary clutch basket—any wear or damage here directly compromises acceleration response and overall drivetrain reliability. A quality replacement hub ensures...11321875- SKU:
- 11321875
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
MSRP: $77.95Now: $64.00Was: $77.95Qty in Cart: 0Quantity:Price:MSRP: $77.95Now: $64.00Was: $77.95Subtotal: -
On Sale
PROX Inner Clutch Hub - KX450F/X 18.4411
PROX
MSRP: $77.95Now: $64.00Was: $77.95A worn or damaged inner clutch hub compromises power delivery and throttle response on your KX450F/X. The PROX Inner Clutch Hub is precision-cast and machined to OEM specifications, ensuring reliable engagement with both stock and aftermarket primary...11321876- SKU:
- 11321876
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
MSRP: $77.95Now: $64.00Was: $77.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - Husqvarna 16.950012
PROX
MSRP: $71.95Now: $56.00Was: $71.95A worn or leaking clutch slave cylinder compromises your shift precision and can leave you stranded. This PROX rebuild kit gives you a complete, cost-effective solution to restore your Husqvarna's clutch actuation to factory specifications without...11321878- SKU:
- 11321878
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
MSRP: $71.95Now: $56.00Was: $71.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950013
PROX
MSRP: $71.95Now: $56.00Was: $71.95A worn or leaking clutch slave cylinder compromises your bike's clutch engagement and creates safety risks on the track or trail. This PROX rebuild kit delivers all necessary internal components to restore your cylinder to OEM specifications without the...11321879- SKU:
- 11321879
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
MSRP: $71.95Now: $56.00Was: $71.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950014
PROX
MSRP: $71.95Now: $56.00Was: $71.95A worn or leaking clutch slave cylinder compromises your shift precision and can leave you stranded. This PROX rebuild kit gives you everything needed to restore full hydraulic function without replacing the entire cylinder. Get back to reliable,...11321880- SKU:
- 11321880
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
MSRP: $71.95Now: $56.00Was: $71.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950015
PROX
MSRP: $71.95Now: $56.00Was: $71.95A worn or deteriorating clutch slave cylinder compromises your bike's clutch engagement and modulation—critical factors for precise control on the track or trail. This rebuild kit restores your hydraulic clutch system to OEM specifications, eliminating...11321881- SKU:
- 11321881
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $71.95Now: $56.00Was: $71.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - KX250/450F/X 16.950016
PROX
MSRP: $37.95Now: $30.00Was: $37.95A worn or failing clutch slave cylinder compromises your bike's clutch engagement, leading to sluggish shifts, dragging clutch, and potential damage to your transmission. This PROX rebuild kit gives you a cost-effective alternative to replacing the...11321882- SKU:
- 11321882
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
MSRP: $37.95Now: $30.00Was: $37.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - 690 Enduro R 16.950038
PROX
MSRP: $71.95Now: $56.00Was: $71.95A worn or leaking clutch slave cylinder compromises your ability to modulate power delivery precisely—critical whether you're trail riding or pushing the 690 Enduro R to its limits. This rebuild kit delivers OEM-equivalent components without the downtime...11321883- SKU:
- 11321883
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $71.95Now: $56.00Was: $71.95 -
On Sale
PROX Clutch Slave Cylinder Rebuild Kit - CRF 450R/RX 16.950040
PROX
MSRP: $37.95Now: $30.00Was: $37.95A worn or leaking clutch slave cylinder compromises your bike's engagement precision and can leave you stranded mid-ride. This PROX rebuild kit restores your CRF 450R/RX to factory hydraulic performance with OEM-equivalent components, eliminating the...11321884- SKU:
- 11321884
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $37.95Now: $30.00Was: $37.95 -
On Sale
PROX Friction Plate Set - CRF250R/RX 16.S13093
PROX
MSRP: $102.95Now: $85.00Was: $102.95Worn or glazed friction plates compromise clutch engagement and throttle response—critical issues on a race-prepped or high-mileage CRF250R/RX. This OEM-spec friction plate set restores precise bite and consistent power delivery, whether you're logging...11313914- SKU:
- 11313914
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
MSRP: $102.95Now: $85.00Was: $102.95 -
On Sale
PROX Friction Plate Set - CRF250R/RX 16.S13094
PROX
MSRP: $112.95Now: $93.00Was: $112.95Worn or glazed friction plates compromise clutch response and throttle control—especially critical on track or in competitive riding. This OEM-spec friction plate set restores precise engagement and eliminates slippage, delivering the consistent bite...11313915- SKU:
- 11313915
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
MSRP: $112.95Now: $93.00Was: $112.95 -
On Sale
PROX Friction Plate Set - CRF450R/L/X/RX 16.S14091
PROX
MSRP: $81.95Now: $68.00Was: $81.95A worn or glazed clutch friction plate set robs your CRF450 of crisp power delivery and smooth engagement, leading to slippage under load and inconsistent performance. This OEM-specification friction plate set restores factory-level clutch response and...11313916- SKU:
- 11313916
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
MSRP: $81.95Now: $68.00Was: $81.95 -
On Sale
PROX Friction Plate Set - YZ65 16.S20018
PROX
MSRP: $63.95Now: $51.00Was: $63.95A worn or slipping clutch can cost you race time and reliability when you need it most. The PROX Friction Plate Set delivers OEM-exact performance for your YZ65, restoring crisp engagement and smooth power delivery without compromise. Complete...11313917- SKU:
- 11313917
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $63.95Now: $51.00Was: $63.95 -
On Sale
PROX Friction Plate Set - Yamaha 16.S23065
PROX
MSRP: $102.95Now: $85.00Was: $102.95A worn or glazed clutch friction plate set compromises your ability to deliver power consistently and safely, whether you're on the track or the street. PROX Friction Plate Sets are manufactured to exact OEM specifications, ensuring smooth engagement,...11313918- SKU:
- 11313918
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $102.95Now: $85.00Was: $102.95 -
On Sale
PROX Friction Plate Set - YZ450F 16.S24066
PROX
MSRP: $122.95Now: $102.00Was: $122.95A worn or glazed clutch plate set directly compromises throttle response and power delivery on your YZ450F—compromising both track performance and trail reliability. The PROX Friction Plate Set restores OEM-spec engagement characteristics, ensuring...11313919- SKU:
- 11313919
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
MSRP: $122.95Now: $102.00Was: $122.95
