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!
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- Qty in Cart
- Quantity
- Price
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RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 300 lbs/in SRSP 622854
RACE TECH
$149.99If you're serious about suspension tuning, spring rate consistency directly impacts your lap times and vehicle handling predictability. The RACE TECH Sport Series delivers the stiffness-to-mass ratio you need to dial in your setup without sacrificing...SRSP622854- SKU:
- SRSP622854
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 5.40 KG/MM
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLUE
- LINEAR SPRING RATE IMPERIAL:
- 300.00 LB/IN
- MODEL:
- SPORT SERIES
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
$149.99 -
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 313 lbs/in SRSP 622856
RACE TECH
$149.99Dialing in your suspension geometry demands springs engineered to exact tolerances—and the RACE TECH Sport Series delivers precision within 0.05 kg/mm to keep your setup consistent lap after lap. With a 313 lbs/in spring rate and premium chrome silicon...SRSP622856- SKU:
- SRSP622856
- Availability:
- Ships Same Business Day
- Weight:
- 4.88 LBS
- LINEAR SPRING RATE IMPERIAL:
- 313.00 LB/IN
- MOUNTING POSITION:
- FRONT
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 5.60 KG/MM
- MODEL:
- SPORT SERIES
- UNITS:
- EACH
$149.99 -
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 324 lbs/in SRSP 622858
RACE TECH
$149.99If you're serious about chassis tuning, spring rate directly impacts your car's handling balance, ride height, and load transfer characteristics. The RACE TECH Sport Series delivers precise spring rates with zero variance—critical when you're chasing...SRSP622858- SKU:
- SRSP622858
- Availability:
- Ships Same Business Day
- Weight:
- 4.88 LBS
- MOUNTING POSITION:
- REAR
- LINEAR SPRING RATE IMPERIAL:
- 324.00 LB/IN
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 5.80 KG/MM
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- SHOT PEENED
- MODEL:
- SPORT SERIES
$149.99 -
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 336 lbs/in SRSP 622860
RACE TECH
$149.99Precision suspension tuning demands springs that deliver consistent performance lap after lap without compromise. The RACE TECH Sport Series 336 lbs/in spring combines a stiff spring rate with exceptional lightweight design, giving you the responsive...SRSP622860- SKU:
- SRSP622860
- Availability:
- Ships Same Business Day
- Weight:
- 5.19 LBS
- LINEAR SPRING RATE IMPERIAL:
- 336.00 LB/IN
- MODEL:
- SPORT SERIES
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- MOUNTING POSITION:
- REAR
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 6.00 KG/MM
- MOUNTING POSITION:
- FRONT
$149.99 -
RACE TECH Shock Reservoir/Bladder Conversion Kit SWBL 5206
RACE TECH
$164.99Shock fade during extended track sessions compromises handling and predictability—exactly when you need it most. The RACE TECH Shock Reservoir/Bladder Conversion Kit SWBL 5206 replaces your piston-style reservoir with a larger bladder system,...13140246- SKU:
- 13140246
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- LENGTH METRIC:
- 120.00 MM
- PRODUCT NAME:
- CONVERSION KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- LENGTH IMPERIAL:
- 4.74'
- TYPE:
- SHOCK BLADDER
- INSIDE DIAMETER IMPERIAL:
- 2.05'
- MOUNTING POSITION:
- REAR
$164.99 -
RACE TECH High-Volume Shock Reservoir Cap - 48.5 mm - KYB SMRC 48501
RACE TECH
$99.99Shock fade during sustained high-speed driving or multiple heat cycles compromises handling predictability and lap times. This billet aluminum reservoir cap increases nitrogen volume capacity, allowing your KYB shocks to maintain consistent damping force...13140250- SKU:
- 13140250
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 48.50 MM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
- TYPE:
- SHOCK RESERVOIR
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$99.99 -
RACE TECH Shock Spring Collar SMPC 5617561
RACE TECH
$89.95Fine-tuning shock spring preload is critical for optimizing your suspension's ride height, handling balance, and overall chassis performance—especially in competitive racing environments where fractions of a second matter. The RACE TECH Shock Spring...13120544- SKU:
- 13120544
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK SPRING
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- COLLAR
- UNITS:
- PAIR
$89.95 -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 364744
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap. The RACE TECH Fork Springs (0.44 kg/mm) combine shot-peened, heat-treated chrome silicon steel with a high stiffness-to-mass ratio—giving you the responsiveness...FRSP364744- SKU:
- FRSP364744
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.58'
- OUTSIDE DIAMETER METRIC:
- 35.80 MM
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
$149.99 -
RACE TECH Front Fork Spring Kit - 0.40 kg/mm - 0.46 kg/mm FRSP 3750K
RACE TECH
$159.99Upgrading your front fork springs is one of the most direct ways to improve suspension responsiveness and cornering stability under load. The RACE TECH Front Fork Spring Kit delivers a precisely calibrated rate range that works across most conventional...FRSP3750K- SKU:
- FRSP3750K
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 22.40 LB/IN - 25.80 LB/IN
- TYPE:
- FORK
- UNITS:
- KIT
$159.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 394646
RACE TECH
$149.99Precision fork tuning demands springs that respond predictably under load, and the RACE TECH 0.46 kg/mm fork springs deliver exactly that through meticulous engineering and material science. Shot-peened chrome silicon steel construction ensures...FRSP394646- SKU:
- FRSP394646
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- LENGTH IMPERIAL:
- 17.91'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
$149.99 -
RACE TECH Shock Rebound Separator Valve SMRS 1215000Y
RACE TECH
$69.99Stock shock absorbers compromise rebound control by flowing equally in compression and rebound, leaving your suspension mushy and unresponsive on hard hits. The RACE TECH Shock Rebound Separator Valve SMRS 1215000Y replaces your stock shaft nut with an...04500237- SKU:
- 04500237
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- UTV
- TYPE:
- SHOCK
- PRODUCT NAME:
- REBOUND VALVE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$69.99 -
RACE TECH Steering Damping Gold Valve Kit CMGV 2001
RACE TECH
$119.99Stock steering dampers on the CRF250R and CRF450R lack the precision needed for aggressive trail riding and competitive racing. The RACE TECH Steering Damping Gold Valve Kit CMGV 2001 replaces inadequate OEM internals with a tunable Gold Valve system,...04100104- SKU:
- 04100104
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- STEERING DAMPING
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$119.99 -
RACE TECH Steering Damping Gold Valve Kit CMGV 2401
RACE TECH
$119.99Stock steering dampers on the CRF250R and CRF450R simply don't provide adequate resistance through aggressive trail conditions, resulting in vague feedback and unpredictable handlebar response when you need precision most. The RACE TECH Steering Damping...04100138- SKU:
- 04100138
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- STEERING DAMPING
$119.99 -
RACE TECH Super Slick Outer Fork Bushings - 48 mm x 15 mm W x 2 mm T FMBO 48152P
RACE TECH
$39.99Fork bushings are critical to suspension responsiveness and longevity—worn or low-quality bushings introduce play, friction, and inconsistent damping that degrades handling. RACE TECH Super Slick Outer Fork Bushings eliminate these problems with a...04130061- SKU:
- 04130061
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FOR FORK TUBE DIAMETER METRIC:
- 48.00 MM
- INNER BUSHING WIDTH METRIC:
- 15.00 MM
- MODEL:
- SUPER SLICK
- PRODUCT NAME:
- BUSHING KIT
- THICKNESS METRIC:
- 2.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- MOUNTING POSITION:
- OUTER
$39.99 -
RACE TECH Fork Springs - 0.90 kg/mm FRSP 4374090
RACE TECH
$109.99Precision fork tuning demands springs that deliver consistent performance lap after lap. The RACE TECH 0.90 kg/mm fork springs offer a stiffness-to-mass ratio engineered for responsive handling without sacrificing compliance, making them ideal for riders...04050303- SKU:
- 04050303
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
- OUTSIDE DIAMETER METRIC:
- 40.00 MM - 43.00 MM
- SPRING RATE IMPERIAL:
- 50.40 LB/IN
- LENGTH IMPERIAL:
- 29.13'
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- FORK
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
$109.99 -
RACE TECH Fork Springs - 0.49 kg/mm FRSP 434949
RACE TECH
$149.99Precision fork tuning demands springs engineered to exacting standards, and RACE TECH delivers exactly that. These 0.49 kg/mm springs combine a high stiffness-to-mass ratio with shot-peened, heat-treated chrome silicon steel—ensuring consistent...04050146- SKU:
- 04050146
- Availability:
- Ships Same Business Day
- Weight:
- 2.98 LBS
- OUTSIDE DIAMETER METRIC:
- 42.80 MM
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 27.40 LB/IN
- TYPE:
- FORK
- LENGTH IMPERIAL:
- 19.41'
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 444538
RACE TECH
$149.99Precision fork control demands springs engineered to exact specifications—and RACE TECH's 0.38 kg/mm fork springs deliver the consistency that separates podium finishes from mid-pack results. Shot-peened and heat-treated chrome silicon steel ensures...04050147- SKU:
- 04050147
- Availability:
- Ships Same Business Day
- Weight:
- 2.67 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 17.91'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 444738
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent, predictable performance lap after lap. The RACE TECH 0.38 kg/mm fork springs are engineered with chrome silicon steel and shot-peening to maintain exact spring rates under extreme suspension...04050093- SKU:
- 04050093
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.58'
$149.99 -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 444740
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and the RACE TECH 0.40 kg/mm fork springs deliver consistency that matches professional-grade expectations. Shot-peened and heat-treated chrome silicon steel ensures durability...04050094- SKU:
- 04050094
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 18.58'
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 444742
RACE TECH
$149.99If you're running a competition machine that demands precise suspension tuning, fork spring rate accuracy directly impacts your lap times and rider feedback. The RACE TECH 0.42 kg/mm springs deliver consistent performance across the entire stroke with...04050095- SKU:
- 04050095
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- LENGTH IMPERIAL:
- 18.58'
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99
