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Dirt Bike Front Suspension

Dirt Bike Front Suspension

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

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
  • WORKS CONNECTION Pro Launch Start Device 12-333

    WORKS CONNECTION Pro Launch Start Device 12-333

    WORKS CONNECTION

    $148.95
    A reliable launch control device is non-negotiable for consistent starts in competitive racing. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of spring-based designs with its spring-less mechanism, giving you precise,...
    04500549
    SKU:
    04500549
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MOUNTING POSITION:
    FRONT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    MODEL:
    FOR KAWASAKI
    PRODUCT NAME:
    LAUNCH CONTROL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-622

    WORKS CONNECTION Pro Launch Start Device 12-622

    WORKS CONNECTION

    $148.95
    A consistent, reliable launch is the difference between winning and losing on the track. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical inconsistencies of traditional spring-loaded designs, giving you precise throttle control and...
    04500550
    SKU:
    04500550
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MOUNTING POSITION:
    FRONT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    MODEL:
    FOR KTM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • MOOSE RACING Fork Seal Kit - 30 mm 56-106

    MOOSE RACING Fork Seal Kit - 30 mm 56-106

    MOOSE RACING

    $37.95
    Fork seals degrade quickly under the demands of aggressive riding and racing, leading to oil leakage, reduced suspension performance, and costly damage to fork internals. The MOOSE RACING Fork Seal Kit addresses this with a patented MAX-LIFE compound...
    04070317
    SKU:
    04070317
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    FORK SEAL KIT
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER METRIC:
    30.00 MM
    THICKNESS METRIC:
    10.00 MM
    UNITS:
    KIT
    OUTSIDE DIAMETER METRIC:
    42.00 MM
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-339

    WORKS CONNECTION Pro Launch Start Device 12-339

    WORKS CONNECTION

    $148.95
    A reliable launch is the foundation of consistent pit bike performance, and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you tenths on the line. This spring-less design delivers positive, repeatable engagement every...
    05060910
    SKU:
    05060910
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MODEL:
    FOR KAWASAKI
    PRODUCT NAME:
    LAUNCH CONTROL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALUMINUM
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-731

    WORKS CONNECTION Pro Launch Start Device 12-731

    WORKS CONNECTION

    $148.95
    A reliable launch start device is critical for consistent performance off the line—especially when every millisecond counts. The WORKS CONNECTION Pro Launch Start Device eliminates inconsistencies found in traditional spring-based systems by delivering...
    04500557
    SKU:
    04500557
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-228

    WORKS CONNECTION Pro Launch Start Device 12-228

    WORKS CONNECTION

    $148.95
    Consistent, reliable starts are non-negotiable in racing—and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you races. The spring-less design delivers positive engagement every single time, while the rider-adjustable...
    04500511
    SKU:
    04500511
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MOUNTING POSITION:
    FRONT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    RIDING STYLE:
    STREET
    MODEL:
    FOR HONDA
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-711

    WORKS CONNECTION Pro Launch Start Device 12-711

    WORKS CONNECTION

    $148.95
    A poor launch can cost you races. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of traditional spring-based systems, giving you consistent throttle engagement and repeatable starts every single time. With its spring-less...
    04500512
    SKU:
    04500512
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    COLOR/FINISH:
    BLACK
    MODEL:
    FOR HUSQVARNA
    PRODUCT NAME:
    LAUNCH CONTROL
    UNITS:
    KIT
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-611

    WORKS CONNECTION Pro Launch Start Device 12-611

    WORKS CONNECTION

    $148.95
    A reliable launch start device is critical for consistent performance off the line—especially in competitive racing where repeatability separates winners from the field. The WORKS CONNECTION Pro eliminates the inconsistency of traditional spring-loaded...
    04500513
    SKU:
    04500513
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    MODEL:
    FOR KTM
    MOUNTING POSITION:
    FRONT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-401

    WORKS CONNECTION Pro Launch Start Device 12-401

    WORKS CONNECTION

    $148.95
    A reliable launch control system is non-negotiable in competitive racing—hesitation or inconsistent engagement costs you races. The WORKS CONNECTION Pro Launch Start Device eliminates the variables that slow you down with a spring-less design that...
    04500516
    SKU:
    04500516
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    MODEL:
    FOR YAMAHA
    MOUNTING POSITION:
    FRONT
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • MOOSE RACING Seal Kit - KTM 56-197

    MOOSE RACING Seal Kit - KTM 56-197

    MOOSE RACING

    $44.95
    Fork seals are your first line of defense against contamination and oil loss—neglect them, and you're looking at premature wear on expensive fork internals. The MOOSE RACING Seal Kit (56-197) replaces OEM seals with a patented design that reduces...
    04070698
    SKU:
    04070698
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    FORK SEAL KIT
    INSIDE DIAMETER METRIC:
    35.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • MOOSE RACING Fork Seal Kit - 35 mm 56-178

    MOOSE RACING Fork Seal Kit - 35 mm 56-178

    MOOSE RACING

    $39.95
    Fork seals are the barrier between your suspension fluid and contamination—when they wear, performance and safety suffer. The MOOSE RACING 35mm Fork Seal Kit delivers measurably longer service life and reduced drag through precision engineering that...
    04070508
    SKU:
    04070508
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    INSIDE DIAMETER METRIC:
    35.00 MM
    OUTSIDE DIAMETER METRIC:
    47.30 MM
    PRODUCT NAME:
    FORK SEAL KIT
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    10.00 MM
    UNITS:
    KIT
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-621

    WORKS CONNECTION Pro Launch Start Device 12-621

    WORKS CONNECTION

    $139.95
    A reliable launch control system is essential for consistent starts in competitive racing, and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you milliseconds off the line. The spring-less design provides positive,...
    04500469
    SKU:
    04500469
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PARTS UNLIMITED Fork Seals - 37 mm ID x 50 mm OD x 11 mm T PUP40FORK455042

    PARTS UNLIMITED Fork Seals - 37 mm ID x 50 mm OD x 11 mm T PUP40FORK455042

    PARTS UNLIMITED

    $12.19
    Fork seals are critical wear components that directly impact your suspension's performance and longevity. Over time, these seals degrade from heat cycles, dirt contamination, and constant pressure, leading to oil leakage, reduced damping, and compromised...
    FS017
    SKU:
    FS017
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    STREET
    INSIDE DIAMETER METRIC:
    37.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    PAIR
    OUTSIDE DIAMETER METRIC:
    50.00 MM
    PRODUCT NAME:
    FORK SEAL
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    THICKNESS METRIC:
    11.00 MM
    $12.19
    Qty in Cart: 0
    Quantity:
    Price:
    $12.19
    Subtotal:
  • MOOSE RACING Premium Fork/Dust Seal Kit - 49 mm 119999490101

    MOOSE RACING Premium Fork/Dust Seal Kit - 49 mm 119999490101

    MOOSE RACING

    $78.95
    Fork seals are a critical wear item that directly impact your suspension's performance and longevity. Over time, contamination and friction degrade stock seals, leading to oil leakage, reduced damping, and potential fork damage. The MOOSE Racing Premium...
    04500546
    SKU:
    04500546
    Availability:
    Ships Same Business Day
    Weight:
    0.61 LBS
    $78.95
    Qty in Cart: 0
    Quantity:
    Price:
    $78.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-516

    WORKS CONNECTION Pro Launch Start Device 12-516

    WORKS CONNECTION

    $148.95
    Launching a dirt bike or small-displacement motorcycle requires precision timing and reliability—especially when every millisecond counts in competition. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of traditional...
    04500226
    SKU:
    04500226
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    MODEL:
    FOR SUZUKI
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-600

    WORKS CONNECTION Pro Launch Start Device 12-600

    WORKS CONNECTION

    $139.95
    A reliable launch device is non-negotiable for consistent starts and competitive lap times. The WORKS CONNECTION Pro Launch Start Device eliminates the inconsistency of spring-based designs with its spring-less mechanism, giving you positive engagement...
    04500228
    SKU:
    04500228
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    MODEL:
    FOR KTM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-200

    WORKS CONNECTION Pro Launch Start Device 12-200

    WORKS CONNECTION

    $148.95
    A reliable launch device can mean the difference between consistent gate times and costly fumbles on the line. The WORKS CONNECTION Pro Launch Start Device eliminates the inconsistency of mechanical springs with a spring-less design that delivers...
    04500230
    SKU:
    04500230
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MODEL:
    FOR HONDA
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    LAUNCH CONTROL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    $148.95
    Qty in Cart: 0
    Quantity:
    Price:
    $148.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-400

    WORKS CONNECTION Pro Launch Start Device 12-400

    WORKS CONNECTION

    $139.95
    A reliable launch start device is critical for consistent gate performance in competitive racing. The WORKS CONNECTION Pro Launch Start Device 12-400 eliminates the inconsistency of traditional spring-based designs with its spring-less mechanism,...
    04500233
    SKU:
    04500233
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    ALUMINUM
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    LAUNCH CONTROL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    KIT
    MODEL:
    FOR YAMAHA
    MOUNTING POSITION:
    FRONT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • WORKS CONNECTION Pro Launch Start Device 12-500

    WORKS CONNECTION Pro Launch Start Device 12-500

    WORKS CONNECTION

    $139.95
    A reliable launch start device is non-negotiable for competitive pit biking—inconsistent engagement wastes critical hundredths off the line. The WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost races with its spring-less...
    04500234
    SKU:
    04500234
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MODEL:
    FOR SUZUKI
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • On Sale
    WORKS CONNECTION Pro Launch Start Device 12-518

    WORKS CONNECTION Pro Launch Start Device 12-518

    WORKS CONNECTION

    MSRP: $141.95
    Now: $95.00
    Was: $141.95
    A reliable launch start device separates competitive lap times from inconsistent performance. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical complexity and variability of traditional spring-loaded designs, giving you repeatable...
    04500239
    SKU:
    04500239
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MODEL:
    FOR SUZUKI
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    COLOR/FINISH:
    RED
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    LAUNCH CONTROL
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    MSRP: $141.95
    Now: $95.00
    Was: $141.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $141.95
    Now: $95.00
    Was: $141.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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