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
-
UFO Fork Cover - Blue YA03803-089
UFO
$29.95Fork tube protectors take a beating on the track and trail—impacts, debris, and UV exposure degrade unprotected tubes and compromise both aesthetics and function. The UFO Fork Cover shields your fork tubes from damage while maintaining a factory-clean...04120015- SKU:
- 04120015
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- TYPE:
- FORK TUBE
- COLOR/FINISH:
- REFLEX BLUE
- UNITS:
- PAIR
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLUE
- MATERIAL:
- PLASTIC
$29.95 -
UFO Fork Cover - Black YA03872-001
UFO
$29.95Fork tube protectors aren't just cosmetic—they shield your fork legs from mud, debris, and impact damage that can compromise suspension performance and longevity. The UFO Fork Cover delivers OEM-matched aesthetics while providing essential protection...04120055- SKU:
- 04120055
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- TYPE:
- FORK TUBE
- BASE COLOR:
- BLACK
$29.95 -
UFO Fork Cover - White YA03872-046
UFO
$29.95Fork tube protectors aren't just aesthetic—they shield your suspension components from mud, debris, and impact damage that can compromise performance and longevity. The UFO Fork Cover keeps your fork tubes in pristine condition while maintaining a...04120056- SKU:
- 04120056
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- FORK TUBE
- UNITS:
- PAIR
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- WHITE
$29.95 -
UFO Fork Cover - Orange - KTM85 KT03091127
UFO
$29.95Fork tube protectors absorb impacts and prevent cosmetic damage during aggressive riding and transport—critical for maintaining your bike's integrity when every detail counts. The UFO Fork Cover delivers OEM-matched aesthetics without compromising...04120101- SKU:
- 04120101
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- COLOR/FINISH:
- KTM ORANGE
- PRODUCT NAME:
- PROTECTOR
- BASE COLOR:
- ORANGE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK SLIDER
- UNITS:
- PAIR
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - Black - KXF - '06 KA03778001
UFO
$29.95The UFO Fork Cover protects your front suspension from mud, debris, and impact damage while maintaining the aggressive aesthetics of your KXF. Pre-drilled mounting holes eliminate guesswork during installation, allowing you to bolt this cover directly to...04120102- SKU:
- 04120102
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MATERIAL:
- PLASTIC
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- PROTECTORS
- TYPE:
- FORK SLIDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Cover - White - KXF - '06 KA03778280
UFO
$29.95Factory-original fork covers protect your suspension components from mud, debris, and UV damage while maintaining the clean aesthetic of your machine. If you've damaged or lost your OEM covers, this direct replacement restores both protection and...04120103- SKU:
- 04120103
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- FORK SLIDER
- PRODUCT NAME:
- PROTECTORS
- BASE COLOR:
- WHITE
- MATERIAL:
- PLASTIC
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
$29.95 -
UFO Fork Slider Protectors - Black HO04695001
UFO
$29.95Fork slider protectors are essential crash damage prevention—they absorb impact energy that would otherwise transfer directly to your forks, frame, and steering geometry. UFO's fork sliders mount to stock locations with zero modification required, making...04120442- SKU:
- 04120442
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- PROTECTOR
- BASE COLOR:
- BLACK
- TYPE:
- FORK TUBE
$29.95 -
UFO Fork Slider Protectors - White HO04695041
UFO
$29.95Fork slider protectors are essential safeguards for your motorcycle's front end during crashes or low-speed incidents. The UFO Fork Slider Protectors absorb impact energy that would otherwise damage costly fork tubes and surrounding components. With...04120443- SKU:
- 04120443
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- WHITE
- TYPE:
- FORK TUBE
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$29.95 -
UFO Fork Cover - Flo Green - KXF250/450 KA04701-AFLU
UFO
$29.95Your fork tubes are exposed to debris, mud, and UV damage every time you hit the track or trail. The UFO Fork Cover protects those critical components while giving your KXF a factory-quality appearance. Pre-drilled for hassle-free installation—no custom...04120379- SKU:
- 04120379
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BASE COLOR:
- GREEN
- TYPE:
- FORK SLIDER
- COLOR/FINISH:
- FLOURESCENT GREEN
- PRODUCT NAME:
- PROTECTORS
$29.95 -
UFO Fork Cover - Blue - YZ85 YA04874-089
UFO
$29.95Fork tube protectors do more than look good—they shield your YZ85's suspension from mud, debris, and impact damage that can compromise performance and longevity. A properly protected fork extends service intervals and maintains the precise damping...04120499- SKU:
- 04120499
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- BLUE
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLUE
- TYPE:
- FORK TUBE
- UNITS:
- PAIR
$29.95 -
UFO Fork Cover - Black - YZ85 YA04874-001
UFO
$29.95Fork tube protectors endure constant exposure to mud, rocks, and debris during aggressive riding—without proper coverage, your fork tubes corrode and performance degrades. The UFO Fork Cover shields your suspension components with durable, color-matched...04120500- SKU:
- 04120500
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- FORK TUBE
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
$29.95 -
RACE TECH Fork Springs - 0.80 kg/mm FRSP 4374080
RACE TECH
$109.99Precision fork spring tuning demands consistency and reliability—two qualities RACE TECH delivers with its 0.80 kg/mm springs. Built from heat-treated chrome silicon steel with shot-peened construction, these springs maintain their rate accuracy within...04050301- SKU:
- 04050301
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- OUTSIDE DIAMETER METRIC:
- 40.00 MM - 43.00 MM
- SPRING RATE IMPERIAL:
- 44.80 LB/IN
- TYPE:
- FORK
- LENGTH IMPERIAL:
- 29.13'
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$109.99Qty in Cart: 0Quantity:Price:$109.99Subtotal: -
RACE TECH Fork Springs - 0.85 kg/mm FRSP 4374085
RACE TECH
$115.95Precision fork tuning demands springs that deliver consistent, predictable performance lap after lap. The RACE TECH 0.85 kg/mm fork springs combine high stiffness-to-mass ratio with strict rate tolerances, giving you the front-end support needed for...04050302- SKU:
- 04050302
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- LENGTH IMPERIAL:
- 29.13'
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 40.00 MM - 43.00 MM
- SPRING RATE IMPERIAL:
- 47.60 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
$115.95Qty in Cart: 0Quantity:Price:$115.95Subtotal: -
RACE TECH Fork Springs - 0.48 kg/mm FRSP 444648
RACE TECH
$149.99Precision fork suspension tuning demands springs that deliver exact, repeatable rates lap after lap. The RACE TECH 0.48 kg/mm fork springs are engineered for riders who refuse to compromise on front-end feedback and consistency. Whether you're dialing in...04050267- SKU:
- 04050267
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- LENGTH IMPERIAL:
- 18.19'
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 444942
RACE TECH
$149.99Precise fork damping is the foundation of predictable front-end feel, and these RACE TECH springs deliver the stiffness your setup demands without adding rotational mass. Whether you're dialing in a dirt bike, motocross machine, or off-road racer, a 0.42...04050832- SKU:
- 04050832
- Availability:
- Ships Same Business Day
- Weight:
- 2.66 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 19.57'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.52 kg/mm FRSP 444952
RACE TECH
$149.99Precise fork damping is non-negotiable when you're pushing your bike to the limit. The RACE TECH Fork Springs deliver the stiffness and consistency your suspension demands, whether you're dialing in a track setup or perfecting your ride height for...04050838- SKU:
- 04050838
- Availability:
- Ships Same Business Day
- Weight:
- 3.13 LBS
- LENGTH IMPERIAL:
- 19.57'
- SPRING RATE IMPERIAL:
- 29.10 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
$149.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 224446
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap without sagging or unpredictable behavior. The RACE TECH 0.46 kg/mm fork springs are shot-peened and heat-treated chrome silicon steel, engineered to maintain their...04050158- SKU:
- 04050158
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- LENGTH IMPERIAL:
- 17.32'
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- OUTSIDE DIAMETER METRIC:
- 22.50 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.48 kg/mm FRSP 444748
RACE TECH
$149.99Precision fork performance demands springs that deliver consistent, repeatable rates lap after lap—no compromises. The RACE TECH 0.48 kg/mm fork springs are engineered for riders who demand exact spring force tolerances and minimal deflection under load...04050098- SKU:
- 04050098
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.58'
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks FEGV 3001
RACE TECH
$199.99Damping rod forks are affordable and robust, but they often lack the refined control of modern cartridge systems. The RACE TECH Gold Valve Cartridge Fork Emulators transform your existing fork into a tunable suspension component that responds predictably...FEGV3001- SKU:
- FEGV3001
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.38'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- FORK
$199.99 -
RACE TECH Fork Springs - 0.26 kg/mm FRSP 274326
RACE TECH
$149.99Precision fork suspension tuning demands springs engineered to exact specifications, and RACE TECH's 0.26 kg/mm springs deliver repeatable performance lap after lap. Whether you're fine-tuning front-end geometry for track conditions or dialing in...FRSP274326- SKU:
- FRSP274326
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- SPRING RATE IMPERIAL:
- 14.60 LB/IN
- LENGTH IMPERIAL:
- 16.93'
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 27.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal:
