Dirt Bike Suspension
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
-
RACE TECH Fork Springs - 0.46 kg/mm FRSP 435146
RACE TECH
$149.99Precise fork control is non-negotiable in high-performance racing, and fork spring rate directly determines your chassis responsiveness and rider confidence through corners. The RACE TECH Fork Springs deliver a 0.46 kg/mm rate with exceptional...FRSP435146- SKU:
- FRSP435146
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- LENGTH IMPERIAL:
- 20'
- OUTSIDE DIAMETER METRIC:
- 43.20 MM
- UNITS:
- PAIR
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 434946
RACE TECH
$149.99Fork springs are the foundation of responsive suspension geometry, directly influencing your bike's handling precision and ability to manage weight transfer under acceleration and braking. The RACE TECH 0.46 kg/mm spring delivers consistent, predictable...FRSP434946- SKU:
- FRSP434946
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 19.41'
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 434944
RACE TECH
$149.99Precision suspension tuning demands fork springs that deliver consistent, predictable performance lap after lap. The RACE TECH 0.44 kg/mm springs provide the stiffness needed for aggressive riding while maintaining the lightweight construction critical...FRSP434944- SKU:
- FRSP434944
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- LENGTH IMPERIAL:
- 19.41'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- PRODUCT NAME:
- SPRING KIT
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 434942
RACE TECH
$149.99Precision suspension tuning demands springs that deliver consistent performance lap after lap. The RACE TECH Fork Springs offer a 0.42 kg/mm rate with exceptional stiffness-to-mass efficiency, ensuring responsive handling without adding unnecessary...FRSP434942- SKU:
- FRSP434942
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- LENGTH IMPERIAL:
- 19.41'
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 434938
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap. The RACE TECH 0.38 kg/mm fork springs combine a high stiffness-to-mass ratio with shot-peened, heat-treated chrome silicon steel to give you predictable, reliable...FRSP434938- SKU:
- FRSP434938
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- LENGTH IMPERIAL:
- 19.41'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
$149.99 -
RACE TECH Fork Springs - 0.39 kg/mm FRSP 414839
RACE TECH
$149.99Precision fork tuning demands springs with predictable, consistent rates—and that's exactly what RACE TECH delivers. These 0.39 kg/mm springs offer the stiffness-to-mass ratio serious riders need for responsive front-end control without sacrificing bump...FRSP414839- SKU:
- FRSP414839
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- LENGTH IMPERIAL:
- 18.94'
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
- SPRING RATE IMPERIAL:
- 21.80 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 414746
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap without compromise. The RACE TECH 0.46 kg/mm fork springs combine shot-peened chrome silicon steel with heat treatment to achieve a stiffness-to-mass ratio that...FRSP414746- SKU:
- FRSP414746
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- LENGTH IMPERIAL:
- 18.54'
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 414646
RACE TECH
$149.99Precision fork performance demands springs that deliver consistent damping characteristics without adding unnecessary weight to your front end. RACE TECH's 0.46 kg/mm fork springs are engineered for riders who refuse to compromise on...FRSP414646- SKU:
- FRSP414646
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.19'
$149.99 -
RACE TECH Fork Springs - 0.48 kg/mm FRSP 395148
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and RACE TECH delivers with shot-peened, heat-treated chrome silicon steel that maintains consistent performance lap after lap. At 0.48 kg/mm, this spring rate provides the...FRSP395148- SKU:
- FRSP395148
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 20.16'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
$149.99 -
RACE TECH Fork Springs - 0.26 kg/mm FRSP 243826
RACE TECH
$149.99If you're running a fork setup that demands precision damping characteristics, fork spring rate accuracy directly impacts your suspension's ability to maintain consistent bottoming resistance and maintain chassis geometry through load transitions. RACE...FRSP243826- SKU:
- FRSP243826
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- LENGTH IMPERIAL:
- 14.84'
- OUTSIDE DIAMETER METRIC:
- 24.30 MM
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 14.60 LB/IN
- RIDING STYLE:
- OFF-ROAD
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Gold Valve Fork Kit FMGV 2820
RACE TECH
$199.99If you're running a front cartridge fork, your suspension's performance is limited by factory valve design. The RACE TECH Gold Valve Fork Kit FMGV 2820 replaces restrictive OEM pistons with dual-port G2-R Gold Valves that triple flow area, giving you...FMGV2820- SKU:
- FMGV2820
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- GOLD VALVE
- OUTSIDE DIAMETER IMPERIAL:
- 1.10'
- COLOR/FINISH:
- GOLD
- UNITS:
- KIT
- PRODUCT NAME:
- FORK KIT
- RIDING STYLE:
- STREET
- TYPE:
- STANDARD
$199.99 -
RACE TECH Gold Valve Fork Kit FMGV 2530
RACE TECH
$199.99Factory fork valving limits your suspension's potential for customization and responsive handling. The RACE TECH Gold Valve Fork Kit FMGV 2530 replaces restrictive OEM pistons with dual-port G2-R Gold Valves, giving you precise control over compression...FMGV2530- SKU:
- FMGV2530
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MODEL:
- GOLD VALVE
- COLOR/FINISH:
- GOLD
- UNITS:
- KIT
- OUTSIDE DIAMETER IMPERIAL:
- 0.98'
- PRODUCT NAME:
- FORK KIT
- RIDING STYLE:
- STREET
- TYPE:
- STANDARD
$199.99 -
RACE TECH Gold Valve Fork Kit FMGV 2520
RACE TECH
$199.99Front fork performance is only as good as your valving setup, and OEM cartridge forks often leave control and responsiveness on the table. The RACE TECH Gold Valve Fork Kit FMGV 2520 replaces restrictive factory pistons with dual-port G2-R Gold Valves...FMGV2520- SKU:
- FMGV2520
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 0.98'
- PRODUCT NAME:
- FORK KIT
- TYPE:
- STANDARD
- UNITS:
- KIT
- MODEL:
- GOLD VALVE
- RIDING STYLE:
- STREET
$199.99 -
RACE TECH Gold Valve Fork Kit FMGV 2320
RACE TECH
$199.99Stock fork cartridges limit your suspension's potential with restrictive piston designs that sacrifice control for simplicity. Race Tech's Gold Valve system unlocks three times the flow area through dual-port pistons and shim-stack tuning, giving you the...FMGV2320- SKU:
- FMGV2320
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- MODEL:
- GOLD VALVE
- TYPE:
- STANDARD
- OUTSIDE DIAMETER IMPERIAL:
- 0.91'
- PRODUCT NAME:
- FORK KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GOLD
- UNITS:
- KIT
$199.99 -
RACE TECH Gold Valve Fork Kit FMGV 2040
RACE TECH
$199.99Factory fork valving often compromises between suppleness and support—you get one or the other, rarely both. The RACE TECH Gold Valve Fork Kit FMGV 2040 replaces your stock piston assemblies with dual-port gold valves that triple the flow area, giving...FMGV2040- SKU:
- FMGV2040
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 0.79'
- PRODUCT NAME:
- FORK KIT
- TYPE:
- STANDARD
- UNITS:
- KIT
- MODEL:
- GOLD VALVE
- RIDING STYLE:
- STREET
$199.99 -
RACE TECH Super Slick Outer Fork Bushings - 49 mm x 15 mm W x 1.5 mm T FMBO 491515 P
RACE TECH
$49.98Fork bushings are critical to suspension responsiveness and longevity—worn or high-friction bushings create stiction that deadens your bike's handling and accelerates wear on fork internals. RACE TECH's Super Slick bushings use a FEP and tin composite...FMBO491515P- SKU:
- FMBO491515P
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 1.50 MM
- TYPE:
- FORK
- UNITS:
- PAIR
- MOUNTING POSITION:
- OUTER
- FOR FORK TUBE DIAMETER METRIC:
- 49.00 MM
- INNER BUSHING WIDTH METRIC:
- 15.00 MM
- MODEL:
- SUPER SLICK
- PRODUCT NAME:
- BUSHING KIT
$49.98Qty in Cart: 0Quantity:Price:$49.98Subtotal: -
RACE TECH Super Slick Outer Fork Bushings - 47 mm x 15 mm W x 2 mm T FMBO 47152 P
RACE TECH
$34.99Worn fork bushings introduce friction and play into your suspension system, robbing you of responsive handling and precise feedback. RACE TECH Super Slick Outer Fork Bushings eliminate that slop with a low-friction PTFE composite design that maintains...FMBO47152P- SKU:
- FMBO47152P
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 47.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 2.00 MM
- TYPE:
- FORK
- UNITS:
- PAIR
- INNER BUSHING WIDTH METRIC:
- 15.00 MM
- MODEL:
- SUPER SLICK
- MOUNTING POSITION:
- OUTER
- PRODUCT NAME:
- BUSHING KIT
$34.99 -
RACE TECH Super Slick Outer Fork Bushings - 45 mm x 15 mm W x 2 mm T FMBO 45152 P
RACE TECH
$37.95Fork bushing friction directly impacts your suspension's responsiveness and wear rate—especially critical in racing applications where precise feedback translates to lap time gains. RACE TECH's Super Slick Outer Fork Bushings use a PTFE-coated FEP and...FMBO45152P- SKU:
- FMBO45152P
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- INNER BUSHING WIDTH METRIC:
- 15.00 MM
- MODEL:
- SUPER SLICK
- PRODUCT NAME:
- BUSHING KIT
- FOR FORK TUBE DIAMETER METRIC:
- 45.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- MOUNTING POSITION:
- OUTER
- THICKNESS METRIC:
- 2.00 MM
$37.95 -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks - 38 mm/39 mm FEGV 3801
RACE TECH
$199.99Damping rod forks don't have to feel like budget suspension. The RACE TECH Gold Valve Cartridge Fork Emulators transform your 38mm or 39mm forks into responsive, tunable performance units that rival purpose-built cartridge systems. Whether you're chasing...FEGV3801- SKU:
- FEGV3801
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.22'
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- MODEL:
- GOLD VALVE
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks - 35 mm/36 mm FEGV 3501
RACE TECH
$199.99Damping rod forks don't have to feel like budget suspension anymore. The RACE TECH Gold Valve Cartridge Fork Emulators transform your existing fork into a responsive, tunable setup that rivals purpose-built cartridge systems—without the cost of a...FEGV3501- SKU:
- FEGV3501
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- TYPE:
- FORK
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- OUTSIDE DIAMETER IMPERIAL:
- 1.14'
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal:
