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Dirt Bike Suspension

Dirt Bike Suspension

Dirt Bike Suspension

CLICK HERE - DIRT BIKE SUSPENSION SERVICE

Dirt Bike Suspension Parts at JJ Motorsports

Fine-tune your ride with advanced suspension components from JJ Motorsports. From rear suspension upgrades to precision-manufactured forks, these products ensure improved handling and shock absorption. Find complementary off-road dirt bike parts to optimize every ride on the track or trail.

Shop trusted brands like Progressive Suspension for adjustable shocks and Fox for high-performance forks. Explore related categories such as Dirt Bike Braking for stopping power or Dirt Bike Tires and Wheels for complete setups.

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FACTORY CONNECTION Fork Pressure Springs - 1.70 kg/mm PRESSSPG1.7K06

    FACTORY CONNECTION Fork Pressure Springs - 1.70 kg/mm PRESSSPG1.7K06

    FACTORY CONNECTION

    $55.00
    If you're running stock fork springs, you're likely sacrificing comfort and feedback on technical terrain. FACTORY CONNECTION Fork Pressure Springs deliver the compliance you need for small-bump sensitivity without compromising mid-stroke...
    04050171
    SKU:
    04050171
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    PRODUCT NAME:
    PRESSURE SPRING SET
    SPRING RATE IMPERIAL:
    95.20 LB/IN
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    PAIR
    $55.00
    Qty in Cart: 0
    Quantity:
    Price:
    $55.00
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.49 kg/mm LSU-049

    FACTORY CONNECTION Front Fork Springs - 0.49 kg/mm LSU-049

    FACTORY CONNECTION

    $159.95
    Factory Connection front fork springs deliver predictable, consistent performance across repeated compression cycles—essential for maintaining suspension geometry during aggressive riding and racing. Precision manufacturing and heat treatment ensure...
    04050196
    SKU:
    04050196
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    RIDING STYLE:
    OFF-ROAD
    SPRING RATE IMPERIAL:
    27.40 LB/IN
    TYPE:
    FORK
    UNITS:
    PAIR
    PRODUCT NAME:
    SPRING KIT
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.52 kg/mm LSA-052

    FACTORY CONNECTION Front Fork Springs - 0.52 kg/mm LSA-052

    FACTORY CONNECTION

    $159.95
    Factory Connection front fork springs deliver the precision and durability demanded by serious racers and high-performance riders. Cold-wound on CNC equipment and heat-tempered for fatigue resistance, these springs maintain consistent rates lap after...
    04050255
    SKU:
    04050255
    Availability:
    Ships Same Business Day
    Weight:
    3.06 LBS
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    29.10 LB/IN
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Fork Pressure Springs - 1.42 kg/mm PRESSSPG1.42-08

    FACTORY CONNECTION Fork Pressure Springs - 1.42 kg/mm PRESSSPG1.42-08

    FACTORY CONNECTION

    $55.00
    If you're spending half your ride fighting harsh fork feedback on technical terrain, you're wasting energy that should go into lines and throttle control. The FACTORY CONNECTION Fork Pressure Springs at 1.42 kg/mm deliver a noticeably lighter action that...
    04050258
    SKU:
    04050258
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    PRESSURE SPRING SET
    UNITS:
    PAIR
    SPRING RATE IMPERIAL:
    79.52 LB/IN
    $55.00
    Qty in Cart: 0
    Quantity:
    Price:
    $55.00
    Subtotal:
  • FACTORY CONNECTION Fork Pressure Springs - 1.61 kg/mm PRESSSPG1.61-08

    FACTORY CONNECTION Fork Pressure Springs - 1.61 kg/mm PRESSSPG1.61-08

    FACTORY CONNECTION

    $55.00
    If you're spending hours on technical terrain and your fork action feels harsh over small irregularities, you're losing both comfort and control—two things that directly impact your lap times and riding longevity. The FACTORY CONNECTION 1.61 kg/mm Fork...
    04050271
    SKU:
    04050271
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    PRODUCT NAME:
    PRESSURE SPRING SET
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    SPRING RATE IMPERIAL:
    90.16 LB/IN
    TYPE:
    FORK
    $55.00
    Qty in Cart: 0
    Quantity:
    Price:
    $55.00
    Subtotal:
  • FACTORY CONNECTION Fork Pressure Springs - 1.76 kg/mm PRESSSPG1.76-08

    FACTORY CONNECTION Fork Pressure Springs - 1.76 kg/mm PRESSSPG1.76-08

    FACTORY CONNECTION

    $55.00
    If you're running harsh, stiff fork springs that punish you on every small bump and square-edge braking impact, you're fighting your bike instead of riding it. The FACTORY CONNECTION 1.76 kg/mm Fork Pressure Springs deliver a lighter, more compliant...
    04050272
    SKU:
    04050272
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    PRESSURE SPRING SET
    SPRING RATE IMPERIAL:
    98.56 LB/IN
    UNITS:
    PAIR
    $55.00
    Qty in Cart: 0
    Quantity:
    Price:
    $55.00
    Subtotal:
  • On Sale
    FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LLS-046

    FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LLS-046

    FACTORY CONNECTION

    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Front fork springs are critical to your suspension's ability to maintain consistent ride height, support, and handling under load. The Factory Connection LLS-046 delivers precisely calibrated spring rate and fatigue-resistant construction, ensuring your...
    04050279
    SKU:
    04050279
    Availability:
    Ships Same Business Day
    Weight:
    2.62 LBS
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    25.80 LB/IN
    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Subtotal:
  • On Sale
    FACTORY CONNECTION Front Fork Springs - 0.88 kg/mm LRV-088

    FACTORY CONNECTION Front Fork Springs - 0.88 kg/mm LRV-088

    FACTORY CONNECTION

    MSRP: $109.99
    Now: $77.00
    Was: $109.99
    Factory Connection front fork springs deliver precise, consistent performance across every riding condition by maintaining accurate spring rates that refuse to drift over time. Whether you're fine-tuning suspension geometry on a championship-winning...
    04050319
    SKU:
    04050319
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    49.80 LB/IN
    UNITS:
    EACH
    MSRP: $109.99
    Now: $77.00
    Was: $109.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $109.99
    Now: $77.00
    Was: $109.99
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.92 kg/mm LRV-092

    FACTORY CONNECTION Front Fork Springs - 0.92 kg/mm LRV-092

    FACTORY CONNECTION

    $119.95
    Front fork springs are fundamental to your suspension's responsiveness and handling precision—and cheap springs will rob you of both. The FACTORY CONNECTION LRV-092 delivers the consistent spring rate and durability demanded by serious riders and racers...
    04050320
    SKU:
    04050320
    Availability:
    Ships Same Business Day
    Weight:
    2.93 LBS
    SPRING RATE IMPERIAL:
    51.50 LB/IN
    TYPE:
    FORK
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSK08

    FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSK08

    FACTORY CONNECTION

    $19.95
    When you're attacking technical terrain at speed, your suspension needs to respond instantly to unpredictable impacts—roots, rocks, and square-edged holes demand precision damping that keeps your shock from wallowing through the stroke. The FACTORY...
    13120196
    SKU:
    13120196
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SPRING
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LRN-045

    FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LRN-045

    FACTORY CONNECTION

    $159.95
    Factory Connection front fork springs deliver the precision and durability demanded by serious racers and suspension tuners. Cold-wound on CNC equipment with heat-tempering and shot-peening, these springs maintain consistent rates through thousands of...
    04050823
    SKU:
    04050823
    Availability:
    Ships Same Business Day
    Weight:
    2.91 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    25.20 LB/IN
    UNITS:
    PAIR
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010500301

    XTRIG Shock Pre-Load Adjuster 500010500301

    XTRIG

    $202.95
    Race-day setup changes demand speed and precision—the XTRIG Shock Pre-Load Adjuster eliminates fumbling with traditional preload rings and lets you dial in sag adjustments in seconds. By leveraging the shock body's existing threads with a mechanical...
    13120551
    SKU:
    13120551
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    BLACK
    TYPE:
    SHOCK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    ADJUSTER HOUSING
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010200201

    XTRIG Shock Pre-Load Adjuster 500010200201

    XTRIG

    $178.95
    Race sag adjustments shouldn't cost you pit time or require specialized tools. The XTRIG Shock Pre-Load Adjuster replaces traditional preload rings with a mechanical system that lets you dial in suspension geometry in seconds, keeping your focus on track...
    13120454
    SKU:
    13120454
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    COLOR/FINISH:
    ORANGE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    ADJUSTER HOUSING
    TYPE:
    SHOCK
    UNITS:
    EACH
    $178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $178.95
    Subtotal:
  • MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6063

    MOOSE RACING Fork Bushing Kit - 47.00 mm 38-6063

    MOOSE RACING

    $57.95
    Fork bushings wear faster than any other suspension component, directly impacting your bike's handling precision and damping response. This MOOSE RACING kit replaces worn bushings with dyno-tested components that outlast OEM parts by a significant...
    04500144
    SKU:
    04500144
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    INNER BUSHING INSIDE DIAMETER METRIC:
    41.90 MM
    UNITS:
    KIT
    PRODUCT NAME:
    BUSHING KIT
    INNER BUSHING WIDTH IMPERIAL:
    0.79'
    INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
    1.72'
    MATERIAL:
    PTFE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  •  UFO Fork Tube Protectors - White - RM - '99-'03 SU03905041

    UFO Fork Tube Protectors - White - RM - '99-'03 SU03905041

    UFO

    $29.95
    Fork tube protectors shield your suspension from debris, UV damage, and minor impacts that accumulate during aggressive riding and track use. These white protectors maintain the factory appearance of your RM while extending the service life of your fork...
    1271229
    SKU:
    1271229
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  •  SDI Free Piston Assembly SDEFFPA-SFF

    SDI Free Piston Assembly SDEFFPA-SFF

    SDI

    $62.95
    Stock plastic pistons are a known weak point in high-demand applications—they flex under pressure, wear prematurely, and can fail catastrophically when you need reliability most. The SDI Free Piston Assembly SDEFFPA-SFF replaces that liability with a...
    04500596
    SKU:
    04500596
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  •  SDI Fork Preload Spacer - 2.5 mm SDEFSP25-25

    SDI Fork Preload Spacer - 2.5 mm SDEFSP25-25

    SDI

    $6.95
    Fine-tuning your suspension geometry shouldn't require a complete fork disassembly. The SDI Fork Preload Spacer delivers precise 2.5 mm preload adjustment on twin-chamber forks with a simple bolt-on installation, giving you repeatable, predictable...
    04500606
    SKU:
    04500606
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  •  SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-KYB46

    SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-KYB46

    SDI

    $19.95
    Stock piston rings wear significantly within the first five hours of use, leading to degraded damping performance and increased friction. The SDI DU Piston Bushing Conversion Kit replaces your wear band with a low-friction design that maintains...
    04500614
    SKU:
    04500614
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  •  SDI Fork Service Kit - 49 mm SFSK49

    SDI Fork Service Kit - 49 mm SFSK49

    SDI

    $83.95
    Proper fork maintenance is critical to maintaining responsive handling, consistent damping performance, and extending the life of your suspension. The SDI Fork Service Kit for 49 mm forks provides all necessary components in one package, eliminating the...
    04500631
    SKU:
    04500631
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $83.95
    Subtotal:
  •  SDI Fork Service Kit - 35 mm WFSK35-SKF

    SDI Fork Service Kit - 35 mm WFSK35-SKF

    SDI

    $99.95
    Proper fork maintenance is essential to maintaining your suspension's responsiveness, damping characteristics, and longevity. This comprehensive service kit contains every seal, fluid, and component you need to refresh your 35mm forks without sourcing...
    04500633
    SKU:
    04500633
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    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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