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
-
MOOSE RACING Fork Seal Kit - 36 mm 56-121
MOOSE RACING
$39.95Fork seals are critical to suspension performance—worn or leaking seals compromise damping, increase friction, and accelerate wear on fork tubes. The MOOSE RACING 36mm Fork Seal Kit replaces...04070089- SKU:
- 04070089
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 48.20 MM
- THICKNESS METRIC:
- 8.00 MM
- UNITS:
- KIT
- INSIDE DIAMETER METRIC:
- 36.00 MM
$39.95 -
WORKS CONNECTION Steering Stem Nut - Green - Kawasaki 24-338
WORKS CONNECTION
$37.95If you're serious about track-proven reliability, the WORKS CONNECTION Steering Stem Nut replaces a critical fastener that stock units simply can't match. This precision-engineered component...04100247- SKU:
- 04100247
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
- MATERIAL:
- 6061-T6 ALUMINUM
- PRODUCT NAME:
- NUT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEM NUT
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
WORKS CONNECTION Steering Stem Nut - Blue - Yamaha 24-360
WORKS CONNECTION
$37.95Stock steering stem nuts lack the precision and durability needed for high-performance riding, leaving you vulnerable to loosening under aggressive cornering and braking forces. The WORKS CONNECTION...04100251- SKU:
- 04100251
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- STEM NUT
- COLOR/FINISH:
- BLUE
- MATERIAL:
- 6061-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- NUT
- UNITS:
- EACH
$37.95 -
WORKS CONNECTION Pro Launch Start Device 12-302
WORKS CONNECTION
$164.95A reliable launch start device is critical for consistent gate performance and repeatable results—whether you're on the track or in competition. The WORKS CONNECTION Pro Launch Start Device...04500261- SKU:
- 04500261
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MOUNTING POSITION:
- FRONT
- MODEL:
- FOR KAWASAKI
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$164.95 -
PRO GRIP Forkguard - Carbon Fiber PA5012
PRO GRIP
$49.37Fork guards protect your suspension components from debris, mud, and impact damage—critical for maintaining alignment and performance over a full season. The PRO GRIP PA5012 combines lightweight...04120337- SKU:
- 04120337
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$49.37 -
MOOSE RACING Easy On Fork Skins - 44 mm-50 mm - 125 cc and larger 0406-0036
MOOSE RACING
$27.95Fork seals are expensive to replace, and contamination from mud and dirt is one of the quickest ways to degrade them. The MOOSE RACING Easy On Fork Skins provide a simple, bolt-on solution that keeps...04060036- SKU:
- 04060036
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- 44.00 MM - 50.00 MM
- TYPE:
- 125 CC AND ABOVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FORK SKINS
$27.95Qty in Cart: 0Quantity:Price:$27.95Subtotal: -
MOOSE RACING Fork Seal Kit - 33 mm 56-111
MOOSE RACING
$39.95Fork seals wear faster than most riders realize, leading to oil weeping, reduced damping performance, and premature fork failure. The MOOSE RACING 33 mm Fork Seal Kit addresses this directly with a...04070315- SKU:
- 04070315
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 33.00 MM
- OUTSIDE DIAMETER METRIC:
- 45.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
$39.95 -
On Sale
WORKS CONNECTION Pro Launch Start Device 12-520
WORKS CONNECTION
MSRP: $141.95Now: $91.00Was: $141.95Dial in your start device performance with a mechanism engineered for consistency and precision. The WORKS CONNECTION Pro Launch Start Device eliminates the reliability issues of traditional...04500298- SKU:
- 04500298
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR SUZUKI
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
MSRP: $141.95Now: $91.00Was: $141.95 -
WORKS CONNECTION Pro Launch Start Device 12-706
WORKS CONNECTION
$164.95A reliable launch start device is essential for competitive dirt bike racing—it eliminates human error during the critical gate drop and gives you consistent, repeatable starts every time. The WORKS...04500356- SKU:
- 04500356
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- ALL '17 HUSQVARNA MODELS WITH XPLOR FORKS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
$164.95 -
MOOSE RACING Fork Bushing Kit - 50.00 mm 38-6010
MOOSE RACING
$51.95Fork bushings wear with every ride, and worn bushings compromise suspension feel, dampen responsiveness, and accelerate seal degradation. This MOOSE RACING kit replaces both slider and leg bushings...04500116- SKU:
- 04500116
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 44.70 MM
- PRODUCT NAME:
- BUSHING KIT
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.84'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$51.95 -
MOOSE RACING Fork Bushing Kit - 40.00 mm 38-6011
MOOSE RACING
$57.95Fork bushings are critical wear items that directly impact your suspension's responsiveness, stability, and longevity. OEM bushings degrade quickly under aggressive riding conditions, introducing...04500117- SKU:
- 04500117
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- INNER BUSHING INSIDE DIAMETER METRIC:
- 34.90 MM
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.45'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- BUSHING KIT
$57.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1014M
MOOSE RACING
$52.95Your bike's steering geometry depends on the precision of your steering stem bearings—worn or substandard OEM ball bearings introduce play, increase maintenance, and compromise handling feel. The...04100339- SKU:
- 04100339
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
$52.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1063
MOOSE RACING
$62.95OEM ball-type steering stem bearings are prone to accelerated wear and require frequent adjustment to maintain steering feel. The MOOSE RACING Tapered Roller Bearing Kit 22-1063 replaces inferior...04100231- SKU:
- 04100231
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- UNITS:
- KIT
$62.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1033
MOOSE RACING
$50.95Stock ball-type steering bearings wear quickly and require constant maintenance—tapered roller bearings eliminate these headaches with superior load distribution and durability. The MOOSE RACING...04100036- SKU:
- 04100036
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- MODEL:
- TAPERED ROLLER
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
$50.95 -
On Sale
WORKS CONNECTION Pro Launch Start Device 12-332
WORKS CONNECTION
MSRP: $141.95Now: $91.00Was: $141.95A reliable launch control system is critical for consistent starts in competitive racing—inconsistent engagement costs you positions and time off the line. The WORKS CONNECTION Pro Launch Start...04500352- SKU:
- 04500352
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR KAWASAKI
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
MSRP: $141.95Now: $91.00Was: $141.95 -
WORKS CONNECTION Pro Launch Start Device 12-605
WORKS CONNECTION
$164.95A reliable launch control system separates consistent gate times from inconsistent results. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical unpredictability of traditional...04500353- SKU:
- 04500353
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LAUNCH CONTROL
- UNITS:
- KIT
- MODEL:
- FOR KTM
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$164.95 -
WORKS CONNECTION Pro Launch Start Device 12-705
WORKS CONNECTION
$164.95A fast, consistent launch is won before the light drops—and that means having a start device you can trust completely. The WORKS CONNECTION Pro eliminates the mechanical inconsistencies of...04500355- SKU:
- 04500355
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- ALL '17 HUSQVARNA MODELS WITH AER 48 FORKS
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
$164.95 -
MOOSE RACING Fork Seal/Wiper Kit - 41 mm 118888410101
MOOSE RACING
$49.95Fork seals degrade faster than most riders realize, leading to oil leakage, reduced damping performance, and premature suspension wear. MOOSE Racing's patented MAX-LIFE material reduces friction by...04070656- SKU:
- 04070656
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- INSIDE DIAMETER METRIC:
- 41.00 MM
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 48 mm 119999480301
MOOSE RACING
$78.95Fork and shock seals are the gatekeepers of suspension performance—when they fail, you lose damping control and invite contamination into critical components. This MOOSE Racing Premium Fork/Dust Seal...04500545- SKU:
- 04500545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$78.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6075
MOOSE RACING
$35.95Fork bushings wear under repeated compression and rebound cycles, causing play in your front end that degrades handling precision and increases unsprung weight feedback. The MOOSE RACING Fork Bushing...04500161- SKU:
- 04500161
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- PRODUCT NAME:
- BUSHING KIT
- UNITS:
- KIT
$35.95
