Dirt Bike Front Suspension
Dirt Bike Front Suspension Parts: Fork Springs, Guards & Launch Devices for Yamaha at JJ Motorsports
Enhance your dirt bike's front suspension with premium parts from JJ Motorsports, designed for smoother damping and protection in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.
Shop Works Connection, Moose Racing, and Polisport front suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for shocks and bushings, or dirt bike for full builds to complete your setup and achieve balanced, responsive handling across all conditions, from high-speed jumps to technical singletrack.
Top Dirt Bike Front Suspension Parts
- Works Connection Pro Launch Start Device Yamaha 12-416 – Adjustable launch device for Yamaha YZ; reduces fork compression for better starts.
- Moose Racing Fork Springs 31 mm 2.4 N/mm 0405-1120 – Progressive fork springs for 31mm tubes; improves damping on Kawasaki KX models.
- Polisport Fork Guard Cover Black 8398100002 – Black plastic fork guards; protects stanchions from rocks on Honda CRF.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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UFO Fork Cover - Black - KTM - '95-'07 KT03025001
UFO
$29.95Fork tube protectors are essential maintenance items that shield your suspension components from mud, rocks, and debris encountered on the trail or track. The UFO Fork Cover delivers OEM-quality protection with a clean, factory-matched appearance that...1272133- SKU:
- 1272133
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- TYPE:
- FORK SLIDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- PROTECTOR
- BASE COLOR:
- BLACK
$29.95 -
RACE TECH Gold Valve Fork Kit FMGV 3420
RACE TECH
$199.99Front fork performance hinges on precise valve control, and the RACE TECH Gold Valve Fork Kit FMGV 3420 gives you direct tuning authority over compression and rebound characteristics. By tripling piston flow area and placing valving control in the shim...FMGV3420- SKU:
- FMGV3420
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- FORK KIT
- RIDING STYLE:
- STREET
- TYPE:
- STANDARD
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.34'
- UNITS:
- KIT
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LSU-045
FACTORY CONNECTION
$149.99Consistent suspension geometry is non-negotiable in competitive riding or aggressive street use—even minor spring rate variations compound into handling inconsistencies lap after lap. The FACTORY CONNECTION LSU-045 delivers the precision you need with...LSU045- SKU:
- LSU045
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.20 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LSV-046
FACTORY CONNECTION
$149.99Consistent fork performance is non-negotiable in racing and aggressive riding—weak or mismatched springs compromise handling, increase fatigue on components, and leave performance on the table. Factory Connection's LSV-046 front fork springs deliver...LSV046- SKU:
- LSV046
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- TYPE:
- FORK
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LSV-048
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency, and Factory Connection's precision-engineered front fork springs deliver the rate accuracy and fatigue resistance that competitive riders demand. Whether you're dialing in a championship setup or...LSV048- SKU:
- LSV048
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- RIDING STYLE:
- OFF-ROAD
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.51 kg/mm LRE-051
FACTORY CONNECTION
$149.99Suspension performance hinges on spring quality, and Factory Connection's front fork springs deliver the precision damping characteristics that separate competitive setups from mediocre ones. Whether you're fine-tuning a dirt bike or maintaining...04050939- SKU:
- 04050939
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 28.60 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.47 kg/mm LSU-047
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency, and Factory Connection's front fork springs deliver precisely calibrated rates that translate directly to better handling and reduced fade during extended sessions. These U.S.-made springs are...04051032- SKU:
- 04051032
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 26.32 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.47 kg/mm LRL-047
FACTORY CONNECTION
$159.95Suspension geometry demands precision, and compromised fork springs compromise your entire chassis setup. FACTORY CONNECTION front fork springs deliver repeatable, consistent performance through meticulous manufacturing tolerances—critical when you're...04050046- SKU:
- 04050046
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- SPRING RATE IMPERIAL:
- 26.30 LB/IN
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.50 kg/mm LSB-050
FACTORY CONNECTION
$159.95Precision front fork springs are critical to suspension geometry and handling consistency—especially in competitive riding where even slight changes in spring rate affect cornering speed and rider confidence. The FACTORY CONNECTION LSB-050 delivers the...04050106- SKU:
- 04050106
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
UFO Fork Cover - Black - SX/SXF KT04055-001
UFO
$29.95Fork tube protectors shield your suspension components from mud, debris, and abrasive track conditions that accelerate wear on seals and internals. A bolt-on upgrade that maintains OEM aesthetics while extending fork longevity and maintaining consistent...04200004- SKU:
- 04200004
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
$29.95 -
UFO Fork Cover - White KA04701-280
UFO
$29.95Protect your fork tubes from road debris and UV damage while maintaining a clean, factory-correct appearance. The UFO Fork Cover keeps critical suspension components pristine and extends component longevity in harsh riding conditions. Pre-drilled...04120167- SKU:
- 04120167
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BASE COLOR:
- WHITE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- PROTECTORS
- TYPE:
- FORK SLIDER
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Black - KXF250/450 KA04701-001
UFO
$29.95Protect your KXF fork assembly from mud, debris, and impact damage while maintaining the aggressive aesthetic of your bike. UFO fork covers are OEM-quality plastic shields that bolt directly to stock mounting points—no fabrication required. Keep your...04120168- SKU:
- 04120168
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- BASE COLOR:
- BLACK
- TYPE:
- FORK SLIDER
- PRODUCT NAME:
- PROTECTORS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$29.95 -
UFO Fork Cover - White - KX KA03760280
UFO
$29.95Fork covers protect critical suspension components from dirt, debris, and UV damage while maintaining a clean, finished appearance on your machine. The UFO fork cover delivers OEM-quality aesthetics with straightforward installation that requires no...04120229- SKU:
- 04120229
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- PROTECTORS
- MATERIAL:
- PLASTIC
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Black - KTM65 - '09-'10 KT04011-001
UFO
$29.95Fork tube protectors take the brunt of roost, debris, and impacts that would otherwise damage your suspension components and compromise performance. The UFO Fork Cover maintains factory aesthetics while adding a protective layer that extends the life of...04120186- SKU:
- 04120186
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
$29.95 -
UFO Fork Cover - Orange - KTM 65 - '09-'10 KT04011-127
UFO
$29.95Fork tube protectors aren't just aesthetic—they shield your suspension from debris, mud, and impact damage that can compromise performance and longevity. The UFO Fork Cover delivers OEM-quality protection while maintaining the factory appearance of your...04120192- SKU:
- 04120192
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- ORANGE
- TYPE:
- FORK SLIDER
- BASE COLOR:
- ORANGE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- PROTECTOR
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Blue - YZ/YZF YA03896-089
UFO
$29.95Fork tube protectors shield your suspension from mud, rocks, and debris while maintaining a clean, factory-finished appearance. The UFO Fork Cover integrates seamlessly with your YZ/YZF's OEM design, protecting critical fork components without...04120155- SKU:
- 04120155
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- PRODUCT NAME:
- COVER
- BASE COLOR:
- BLUE
- MATERIAL:
- PLASTIC
- TYPE:
- FORK TUBE
- COLOR/FINISH:
- REFLEX BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Blac KT04002-001
UFO
$29.95Fork tube protectors are essential for maintaining both the structural integrity and appearance of your front suspension. Unprotected fork tubes are vulnerable to impact damage, corrosion, and abrasive debris that compromise performance and longevity...04120156- SKU:
- 04120156
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Orange - KTM - '08 KT04002-127
UFO
$29.95Fork tube protectors aren't just cosmetic—they shield your suspension components from mud, debris, and impact damage that can compromise performance and longevity. The UFO Fork Cover delivers OEM-matched aesthetics while providing genuine protection...04120157- SKU:
- 04120157
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- BASE COLOR:
- ORANGE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- PROTECTOR
- COLOR/FINISH:
- KTM ORANGE
- TYPE:
- FORK SLIDER
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Black - RM/RMZ SU04913-001
UFO
$29.95Your fork tubes deserve protection from mud, debris, and UV damage that accelerates wear and corrosion. The UFO Fork Cover delivers durable coverage while maintaining the clean, purposeful aesthetics of your RM/RMZ. Pre-drilled mounting points ensure a...04120158- SKU:
- 04120158
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- PROTECTOR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- TYPE:
- FORK TUBE
$29.95 -
UFO Fork Cover - White - RM/RMZ SU04913-041
UFO
$29.95Fork covers protect your bike's suspension components from mud, debris, and UV damage while maintaining a clean aesthetic on the track or trail. OEM plastic components are prone to cracking under impact, making this durable replacement essential for...04120159- SKU:
- 04120159
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- FORK TUBE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- PROTECTOR
$29.95
