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
-
LONE STAR RACING/TECH 5 IND. Steering Stems without Handlebar Clamps - LSR Handlebar A/B 19-1600107
LONE STAR RACING/TECH 5 IND.
$302.40Steering stem is 4130 chromoly, far stronger and much lighter than most stock units, Handlebar clamps are not included so the rider can choose a clamp that suits his or her particular preference, All mounting hardware included04100141- SKU:
- 04100141
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- STEERING STEM
- RIDING STYLE:
- UTV
$302.40Qty in Cart: 0Quantity:Price:$302.40Subtotal: -
LONE STAR RACING/TECH 5 IND. Steering Stems without Handlebar Clamps - LSR Handlebar A/B 19-4000107
LONE STAR RACING/TECH 5 IND.
$302.40Steering stem is 4130 chromoly, far stronger and much lighter than most stock units, Handlebar clamps are not included so the rider can choose a clamp that suits his or her particular preference, All mounting hardware included04100148- SKU:
- 04100148
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- STEERING STEM
- RIDING STYLE:
- UTV
$302.40Qty in Cart: 0Quantity:Price:$302.40Subtotal: -
KYB Fork Slide Metal Set - 36 mm 110043600202
KYB
$16.95KYB fork slide metal sets are essential wear components that protect your fork tubes from damage during aggressive riding and frequent service intervals. These precision-engineered metal slides maintain proper bushing alignment and extend fork longevity...04130088- SKU:
- 04130088
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
ACERBIS Lower Fork Covers - Black 2686520001
ACERBIS
$35.95Fork covers protect critical suspension components from debris, mud, and impact while maintaining a clean, finished appearance on your machine. ACERBIS lower fork covers deliver OEM-quality aesthetics with straightforward bolt-on installation—no...04120396- SKU:
- 04120396
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK TUBE
- UNITS:
- PAIR
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
ACERBIS Lower Fork Covers for Inverted Forks - '16 Orange 2253025226
ACERBIS
$35.95Lower fork covers protect your inverted fork tubes from mud, debris, and UV exposure while maintaining a clean OEM appearance. These ACERBIS covers mount directly to factory locations without modification, making them an ideal bolt-on upgrade for riders...04120349- SKU:
- 04120349
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- ORANGE 2016
- UNITS:
- PAIR
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- BASE COLOR:
- ORANGE
- MATERIAL:
- PLASTIC
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
ACERBIS Lower Fork Covers - Green 2141760006
ACERBIS
$39.95Fork covers protect your suspension components from road debris, mud, and impact damage while maintaining a clean, finished appearance on your bike. ACERBIS lower fork covers combine OEM-quality aesthetics with practical durability, giving your machine a...04120353- SKU:
- 04120353
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- GREEN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- COLOR/FINISH:
- GREEN
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
$39.95 -
ACERBIS Shoe Protectors for Inverted Forks - Green 2709690006
ACERBIS
$28.95Inverted fork setups demand protection that matches their performance—and these ACERBIS shoe protectors deliver exactly that. Whether you're protecting your fork legs from trail debris, rock strikes, or the wear of aggressive riding, this...04120450- SKU:
- 04120450
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- PROTECTOR
- TYPE:
- FORK SHOE
- BASE COLOR:
- GREEN
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
RACE TECH Fork Pressure Springs for Dual Chamber Forks - 1.0 kg/mm FRPS 261010
RACE TECH
$79.99Upgrading your fork pressure springs is one of the most direct ways to dial in suspension performance and responsiveness. The RACE TECH FRPS 261010 delivers a 1.0 kg/mm spring rate that balances mid-stroke support with bottoming resistance, making it...04050247- SKU:
- 04050247
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- PRODUCT NAME:
- PRESSURE SPRING
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 56.00 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- MODEL:
- FOR DUAL-CHAMBER FORK
$79.99 -
RACE TECH Fork Pressure Springs for Dual Chamber Forks - 1.4 kg/mm FRPS 261014
RACE TECH
$79.99If you're running dual-chamber forks and need consistent, predictable pressure response through your suspension stroke, RACE TECH fork pressure springs deliver the tuning precision that separates competitive setups from adequate ones. These 1.4 kg/mm...04050248- SKU:
- 04050248
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- PRODUCT NAME:
- PRESSURE SPRING
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 78.40 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- MODEL:
- FOR DUAL-CHAMBER FORK
$79.99 -
RACE TECH Fork Pressure Springs for Dual Chamber Forks - 1.8 kg/mm FRPS 261018
RACE TECH
$79.99If you're running dual chamber forks and need predictable mid-stroke support without compromising bottoming resistance, these RACE TECH fork pressure springs deliver the precision tuning that separates competitive setups from mediocre ones. The 1.8 kg/mm...04050249- SKU:
- 04050249
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- PRODUCT NAME:
- PRESSURE SPRING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- MODEL:
- FOR DUAL-CHAMBER FORK
- SPRING RATE IMPERIAL:
- 100.80 LB/IN
$79.99 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-K15-001
PIVOT WORKS
$102.23Fork seals deteriorate with every ride, allowing contamination and fluid loss that compromise suspension performance and accelerate component wear. This complete kit eliminates the need for multiple supplier orders and ensures proper sealing with...04070278- SKU:
- 04070278
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$102.23 -
PIVOT WORKS Fork Seal Kit - 48 mm ID x 58 mm OD PWFSK-Z010
PIVOT WORKS
$57.07Worn fork seals compromise suspension performance and accelerate internal component degradation—allowing hydraulic fluid to escape and contaminants to infiltrate your forks. This PIVOT WORKS seal kit restores proper damping function and extends fork life...04070289- SKU:
- 04070289
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- UNITS:
- KIT
$57.07Qty in Cart: 0Quantity:Price:$57.07Subtotal: -
UFO Fork Cover - White - KX - '94-'95 KA02770280
UFO
$29.95Keep your KX fork protected from mud, debris, and impact damage with OEM-quality coverage that maintains factory aesthetics. Pre-drilled mounting holes eliminate guesswork during installation, allowing you to bolt directly to stock attachment points in...1270629- SKU:
- 1270629
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- FORK SLIDER
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- PROTECTORS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
UFO Fork Slider Protectors - CR Red '92-'99 HO03672-067
UFO
$29.95Fork slider protectors are essential for any serious rider—they absorb impact during crashes and prevent costly damage to your bike's front end. The UFO Fork Slider Protectors are engineered to mount directly to your Honda's stock attachment points,...04120494- SKU:
- 04120494
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- COVER
- MATERIAL:
- PLASTIC
- UNITS:
- PAIR
- COLOR/FINISH:
- CR RED 1992 - 1999
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$29.95 -
RACE TECH Fork Springs - 0.31 kg/mm FRSP 314231
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications—and these RACE TECH units deliver repeatable performance lap after lap. With a stiffness rating of 0.31 kg/mm and tolerances held within 2%, you get the predictable damping curve...FRSP314231- SKU:
- FRSP314231
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- OUTSIDE DIAMETER METRIC:
- 31.20 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- SPRING RATE IMPERIAL:
- 17.40 LB/IN
- LENGTH IMPERIAL:
- 16.61'
- PRODUCT NAME:
- SPRING KIT
$149.99 -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 435142
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap—Race Tech's 0.42 kg/mm springs are engineered to eliminate guesswork with rate accuracy within 2%, giving you predictable suspension response on road courses and...FRSP435142- SKU:
- FRSP435142
- Availability:
- Ships Same Business Day
- Weight:
- 2.86 LBS
- OUTSIDE DIAMETER METRIC:
- 43.20 MM
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- LENGTH IMPERIAL:
- 20'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 435140
RACE TECH
$149.99Fork springs are critical to your suspension's ability to absorb impacts while maintaining consistent ride height and handling geometry. The RACE TECH 0.40 kg/mm springs deliver precision damping with minimal weight penalty, making them ideal for racers...FRSP435140- SKU:
- FRSP435140
- Availability:
- Ships Same Business Day
- Weight:
- 3.14 LBS
- LENGTH IMPERIAL:
- 20'
- OUTSIDE DIAMETER METRIC:
- 43.20 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 434940
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap. The RACE TECH 0.40 kg/mm Fork Springs are shot-peened and heat-treated chrome silicon steel, engineered to maintain accurate spring rates within 2%—critical for...FRSP434940- SKU:
- FRSP434940
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- LENGTH IMPERIAL:
- 19.41'
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 434844
RACE TECH
$149.99Fork springs are critical to suspension performance—they directly impact your bike's ability to absorb impacts, maintain stability under braking, and deliver consistent handling lap after lap. The RACE TECH 0.44 kg/mm springs are precision-engineered for...FRSP434844- SKU:
- FRSP434844
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- LENGTH IMPERIAL:
- 18.82'
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- OUTSIDE DIAMETER METRIC:
- 42.50 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 434842
RACE TECH
$149.99Precision fork performance demands springs that respond instantly and consistently lap after lap. The RACE TECH 0.42 kg/mm Fork Springs deliver the stiffness needed for aggressive trail braking and mid-corner stability without sacrificing ride quality or...FRSP434842- SKU:
- FRSP434842
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- LENGTH IMPERIAL:
- 18.82'
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- OUTSIDE DIAMETER METRIC:
- 42.50 MM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal:
