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
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SDI Bladder Cap - Blue SDESBC85BLU
SDI
$62.95If you're running a performance suspension setup, shock thermal management directly impacts your lap times and ride consistency. The SDI Bladder Cap increases shock volume for more linear damping characteristics while actively cooling your system under...13140706- SKU:
- 13140706
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Red SDESBC85R
SDI
$62.95Shock performance hinges on thermal management and consistent damping characteristics—a bladder cap directly addresses both. By increasing internal volume, this cap promotes a more linear shock response throughout your suspension's travel range while...13140708- SKU:
- 13140708
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCAKT16SBLU
SDI
$143.95If you're running a stock floating piston accumulator, you're dealing with unnecessary friction that degrades shock performance over time. The SDI Bladder Cap converts your suspension to a proven conventional bladder system, delivering a plusher ride,...13140713- SKU:
- 13140713
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$143.95 -
SDI Bladder Cap - Orange SDESBCAKT16SORG
SDI
$143.95If you're running a stock OEM floating piston shock, you're dealing with unnecessary friction that compromises both performance and component longevity. The SDI Bladder Cap converts your suspension to a conventional bladder system, delivering smoother...13140714- SKU:
- 13140714
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
SDI Bladder Cap - Orange SDESBCAKT17-ORG
SDI
$143.95If you're running an older shock with a floating piston design, you're leaving performance on the table. The SDI Bladder Cap converts that restrictive OEM setup to a true bladder system, eliminating friction and delivering the linear, consistent damping...13140716- SKU:
- 13140716
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
SDI Bladder Cap - Black SDESBCK250B
SDI
$62.95If you're running a performance shock system, a larger reservoir volume is critical for consistent damping performance under sustained track conditions. The SDI Bladder Cap increases your shock's fluid capacity, delivering a more linear force curve and...13140728- SKU:
- 13140728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCK250BLU
SDI
$59.95Upgrading your shock system with a bladder cap is one of the most effective ways to refine your suspension's performance characteristics. By increasing fluid volume, this cap delivers a more linear damping curve that responds predictably across your...13140729- SKU:
- 13140729
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
MOOSE OFFROAD Fork Bushing Kit 38-6157
MOOSE OFFROAD
$42.95Fork bushings wear down with every ride, degrading suspension response and creating play in your forks that compromises handling and safety. The MOOSE OFFROAD Fork Bushing Kit 38-6157 replaces worn bushings with dyno-tested components engineered to...04500587- SKU:
- 04500587
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$42.95 -
MOOSE RACING Fork Springs - 43.5 mm - 3.8 n/mm 0405-1141
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension performance through precision engineering and rigorous quality control. Built to DIN2095 Grade 1 standards with premium chrome silicone wire, these springs maintain their rate integrity...04051141- SKU:
- 04051141
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$109.95 -
MOOSE RACING Fork Springs - 45 mm - 4.8 n/mm 0405-1152
MOOSE RACING
$109.95Properly-valved fork springs are critical to suspension geometry and handling consistency—especially under load and during aggressive riding. Moose Racing fork springs are engineered with precision manufacturing processes and premium materials to deliver...04051152- SKU:
- 04051152
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
$109.95 -
MOOSE RACING Fork Springs - 45 mm - 5.0 n/mm 0405-1153
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension response by maintaining precise spring rates throughout your riding conditions. Built to DIN2095 Grade 1 standards with chrome silicone wire and multi-stage heat treatment, these...04051153- SKU:
- 04051153
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$109.95 -
MOOSE RACING Fork Springs - 43.5 mm - 4.2 n/mm 0405-1168
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent, predictable suspension performance through precision engineering and rigorous quality control. Built from premium chrome silicone wire and processed through multiple heat-treatment stages, these springs...04051168- SKU:
- 04051168
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
$109.95 -
MOOSE RACING Fork Springs - 43.5 mm - 4.8 n/mm 0405-1171
MOOSE RACING
$109.95Fork springs are critical to suspension performance—they directly affect your bike's handling precision, comfort, and consistency across varying track and road conditions. MOOSE Racing fork springs deliver the responsive, predictable performance you need...04051171- SKU:
- 04051171
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$109.95 -
MOOSE RACING Fork Springs - 42.5 mm - 4.4 n/mm 0405-1189
MOOSE RACING
$109.95Moose Racing fork springs deliver consistent damping performance and predictable feel across your suspension travel, critical for maintaining chassis balance during aggressive riding or racing. Built to DIN2095 Grade 1 specifications with premium chrome...04051189- SKU:
- 04051189
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
MOOSE RACING Fork Oil Seal Kit - 39 mm 56-165
MOOSE RACING
$49.95Fork seals are a critical wear item that directly impact suspension performance and reliability. A degraded seal allows oil to seep past, compromising damping characteristics and reducing fork stiffness when you need it most. The MOOSE RACING Fork Oil...04070701- SKU:
- 04070701
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$49.95 -
MOOSE RACING Shock Spring - 63 mm OD - 54 n/mm - White 1312-0982
MOOSE RACING
$111.95Suspension geometry demands precision, and this MOOSE RACING shock spring delivers the consistent spring rate your setup requires for predictable handling across repeated cycles. The 54 N/mm rate strikes a balance between compliance and support, making...13120982- SKU:
- 13120982
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$111.95 -
MOOSE RACING Shock Spring - 59 mm OD - 72/75/78 n/mm - White 1312-1020
MOOSE RACING
$111.95Precision shock tuning demands springs that maintain consistent spring rates across your entire suspension travel—this is where Moose Racing delivers. Built from premium chrome silicone wire and heat-treated for durability, these 59mm shock springs...13121020- SKU:
- 13121020
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
$111.95 -
On Sale
POLISPORT Fork Guard Cover - White 8398600012
POLISPORT
MSRP: $27.49Now: $25.57Was: $27.49Fork guards are your first line of defense against impact damage, debris, and UV degradation. The POLISPORT Fork Guard Cover replaces worn or damaged OEM guards with a durable, precision-fit alternative that restores both protection and appearance. Built...04120314- SKU:
- 04120314
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $27.49Now: $25.57Was: $27.49 -
On Sale
POLISPORT Fork Guard Cover - White 8398300001
POLISPORT
MSRP: $27.49Now: $25.57Was: $27.49Fork guards absorb impacts that would otherwise damage your forks and compromise steering precision. This POLISPORT cover restores OEM protection at a fraction of replacement costs, with enhanced durability that outlasts stock plastic. Keep your front...04120320- SKU:
- 04120320
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
MSRP: $27.49Now: $25.57Was: $27.49 -
On Sale
POLISPORT Fork Guard Cover - Black 8398300002
POLISPORT
MSRP: $27.49Now: $25.57Was: $27.49Your motorcycle's fork guards take constant abuse from road debris, impacts, and UV exposure—but replacement OEM covers often come with premium price tags. The POLISPORT Fork Guard Cover delivers OEM-equivalent protection and fitment at a fraction of the...04120321- SKU:
- 04120321
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
MSRP: $27.49Now: $25.57Was: $27.49
